Lexus Cam Gear Noise

Featuring rebuild lexus gs300 is300 in stock now online. all without "FACTORY" hydraulic roller camshaft. An interference type engine means that the valve's stroke and piston's stroke take up the same space in the cylinder, so the timing belt essentially keeps them from smashing into each other, since they do it at different times. Lexus Auto Parts at SSL-Parts. The Toyota MZFE engine is a transversely-mounted, timing-belt driven, 24-valve, dual overhead cam (DOHC) aluminum V6 design. Buy Timing Camshaft Gears Fits from eBay and save. Carson Toyota/Scion/Lexus Ultimate OEM Parts ive dealt with carson toyota and they have decent prices. Edmunds also has Lexus ES 350 pricing, MPG, specs, pictures, safety features, consumer reviews and more. P1354 Lexus Description Variable Valve Timing (VVT) system controls the intake valve timing to proper timing in response to driving condition. Our technicians tell us if the noise is determined to be coming from the timing chain area, there are updated variable timing gears available to correct this issue. com FREE DELIVERY possible on eligible purchases. As a support to your ears, do bring a decibel meter/sound meter (get one at Amazon here) so that you can measure the noise level in different parts of the car – by the left side of the head of the driver, the passenger seat and the back seat. Cam Timing Gears and Camshaft Oil Seals: Remove the cam gears takes quite a good deal of strength. JEGS has Gear Drives for street and race cars ready to ship. vehicles only. Move the cam as far back as the plug at the rear of the block will allow, and fasten the upper timing gear. Many times a valve adjustment is required. The third Lexus RX generation used straight-4 1AR engines with 2. Home > Lexus > Lexus RX350 2008 The 2008 Lexus RX350 was part of the same RX350 generation produced from 2004 - 2009. BTW the V-strom has a unique chain/gear setup.



The Lexus ES sedan set a value standard in entry-level luxury when it arrived in 1990, and continued to set the pace in its 1992 redesign (when it went from being the ES250 to the ES300). 2016 Lexus ES350 Base Sedan 3. the contact owns a 2008 lexus rx350. How to Get Rid of Engine Lifter Noise by Richard Rowe As found in a cam-in-block engine, lifters are responsible for transmitting the movement of the camshaft lobes to the pushrods. 4x4 Accessories - Quality Aftermarket Off Road Equipment & 4x4 Gear. Rebuild 98-05 Lexus Gs300 Is300 Sc300 Vvti Itake Cam Gear Wnew O-ring Seal 2jz. The first section describes what to look out for when fitting a camshaft to avoid premature failure. Diagnosing Rear Differential Noise. INSTALL CAMSHAFT SUB GEAR. Piston Noise. HINT: Attach the pins on the gears to the gear spring ends. The cam chain on the V motor is attached to an idler gear up top which in turn turns the gears on the ends of the camshafts. The Engine Control Module controls Oil Control Valve (OCV) to make the intake valve timing properly, and, oil pressure controlled with OCV is supplied to the VVT controller, and then, VVT controller changes relative position between the camshaft and the. When inserted between the gears from the left (pointing this way ->) it acts as a 3rd hand tool. But if it doesn't run good when I fire it up, I'll have to bite the bullet and get them immediately. My 2007 Lexus RX350 makes a rattling noise for about 1 sec when I do a cold start. Read reviews and complaints about Lexus regarding customer service, models available, features, comfort and more. Timing chain noise or Cam Phaser noise New guy in town just want to start out with a big howdy to everyone on this forum i am looking forward to get to know all of you or at lest some of you. On January 09, 2019, Lexus recalled 1,299,448 Lexus IS250.



Too much wear can allow the cam to walk in its cam bore and contact an adjacent lifter. 5-liter 2GR-FE engines were installed. - Lexus 2007 RX 350 FWD question R & R Bank 1 & Bank 2 Intake Camshaft Gear. 0L i6 2JZ-GTE VVTi / 3. UPS ground shipping is free for orders over $75. Our recommendation is that if you do spot one for sale – which will be most likely at a specialist car retailer – act quickly. Right now all timing marks are on in the same spots. The manufacturer was notified of the failure and informed the contact that the camshaft sensors were failing. Buy 2000-2005 Lexus IS 300 Fidanza Adjustable Cam Gear - Red online or call 303-351-1444 to order now. Well, this gear tooth pitch required very precise fitting at the factory to minimize cam gear noise. Advance Auto Parts has 2 different Timing Cam Gear for your vehicle, ready for shipping or in-store pick up. -Louis Nistico Jr. The best part is, our Lexus SC300 Timing Cam Gear products start from as little as $84. Lexus RX is mid-size SUV produced since 1997. ANTI-BACKLASH GEAR TRAIN INVESTIGATION GAO, TÄHTINEN 6 The dominant peak of the noise inside the cam-gear cover is 808 Hz for the standard gear train and 1236 Hz for the anti-backlash gear train, which seems to be a resonance from certain part of the anti-backlash gear train system. and after seeing this TSB I am thinking that it might be the cam gear. If the noise is present regardless of whether the engine is running, you’ll want to make note of what audio sources are associated with the noise and move on.



Edelbrock is the most respected name in performance. Fixing AM/FM Car Radio Static If you only hear the static when listening to the radio , and not when listening to CDs or any auxiliary audio sources, then the problem is either with the. The 2006 Lexus RX 350 further refines driving pleasure through the class-leading performance of a new, state-of-theart, 3. There is a sense of solidity with the German brand that is different from the Lexus. If the noise is present regardless of whether the engine is running, you’ll want to make note of what audio sources are associated with the noise and move on. The earlier 1992-'95 LT1 engines with aluminum heads use a p/n 10128349 cam drive gear with a small hole with 16 splines in the center. Phaser Style. lexus already knows about it but no recall owners just have to tell if there car has a rattle on start up they will replace the cam gears mine gets done early next week. Lexus: Redefining Luxury Vehicles Lexus is known world-wide for producing some of the finest luxury vehicles in the market today. Shop with us at wholesale prices and get free shipping over $50. LexusPartsNow. One can say that Lexus GX470 parts and Lexus GX470 accessories are similar to the Prado's. 5L with VVT Engine 2007, Timing Set without Variable Valve Timing Cam Gear by DNJ Engine Components®. PULLEY, TIM. Included under that recall are the 2006 through 2007 Lexus GS300/350, 2006 through early 2009 Lexus IS250, and 2006 through early 2008 Lexus IS350 sold in the U.



INSTALL CAMSHAFT SUB GEAR. The motor produces 306 hp at 6,400 rpm and 277 foot-pounds of torque at 4,800 rpm. Lexus OEM CAMSHAFT GEAR. 5L 6cyl 8A) Review Evidently Lexus has a problem with the muffler system in many of the 2017 RX 350s. A Tru Gear gear drive is as easy to install as a timing chain and will fit under your stock timing chain cover. 0L i6 (Turbo)1UZ-FE VVTi / 4. Unplug the VCT solenoid plugs from both banks while the engine is off. So too can a bent pushrod or a broken valve spring. The car has recently developed a rattle on occasional start up (doesn't happen every time). This noise will resonate from the lower right side of the engine from behind the clutch cover and towards the front of it. Gear Drives offer accurate timing, strength and come in your choice of quiet or noisy for that simulated blower whine (See product details). Lexus IS Engine Problems. Thank for any replys. How to Get Rid of Engine Lifter Noise by Richard Rowe As found in a cam-in-block engine, lifters are responsible for transmitting the movement of the camshaft lobes to the pushrods. It has 143,000 km on it, but it has been well maintained and is in otherwise great shape. We also offer a wide variety of other parts for your Lexus GS300. Toyota motor engineering & manufacturing (toyota) is recalling certain 2014-2016 toyota 4runner, 2014-2015 scion xb, lexus is350c, is250c, 2014 toyota sienna, lexus is-f, and 2014-2017 lexus gx460 vehicles sold, or ever registered in the states of alabama, california, florida, georgia, hawaii, louisiana, mississippi, south carolina. 5L (2GR-FE) Tick Noise From Upper/Lower Windshield Area.



5L i61JZ-GTE VVTi / 2. JEGS has Gear Drives for street and race cars ready to ship. The camshaft driven gear (intake side) is integrated with the VVT-i actuator to vary the intake camshaft valve timing. Lexus RX Transmission Problems. Camshaft Fitting. P1349 Lexus Meaning Variable Valve Timing (VVT) system controls the intake valve timing to proper timing in response to driving condition. 95! This offer is not advertised anywhere else and is exclusive to VWVortex members only! Early Mk1 owners have two sport solid. It consisted of an all alloy block and was released in the original Lexus LS 400 and Toyota Celsior. of the gears. Our experienced Lexus parts and accessory experts are here to help you find the right part for your vehicle. If it does, then it is more likely to be rocker arms, pushrods, lifters, camshaft, cam bearings, timing chain and gears. My gs350 2008 lexus had a cam gear recall for repair and the engine sounds like a diesel, after it was repaired, is that - Answered by a verified Lexus Mechanic We use cookies to give you the best possible experience on our website. 0 liter version, the. Lexus IS300 Full Duralumin w/Nickle Plated Gear Teeth, Exh Gear only for VVTi mode HKS Adjustable Cam Gear (2001-2003) Part Number: 22004-AT003 Year: (2001-2003) Note: Full Duralumin w/Nickle Plated Gear Teeth, Exh Gear only for VVTi mode Manufacturer: HKS: $179. It — and parent brand Toyota, of course — saw the benefits of petrol-electric hybrid cars and ploughed on with the technology when many car enthusiasts and writers were unrelenting in expressing the view that they are dull and unrewarding to drive. My car is a 2006 Lexus IS 250 done 41000 miles with full Lexus service history. 5 V6 Camshaft Gear Camshaft Pulley 13050-31141,Camshaft Timing,13050-31141,1305031141 from Supplier or Manufacturer-Guangzhou Longlife Auto Parts Co. The 2006 Lexus RX 350 further refines driving pleasure through the class-leading performance of a new, state-of-theart, 3. Can someone help me with a document that has some pictures showing how to check the cam timing. VVTi JZ Cam Gear Rebuild Kit.



Fixing this at home is not a job for a novice. Sony’s New Noise-Canceling Wireless Earbuds — Here’s Everything You Need to Know. it seems to disappear when I am speeding on smooth road. Fisrt transmision is not worked good and had P0671 foult and not shift to 5 and 6 gear also then i drive and put of leg from akselerator in "D" position in transmision. To reduce cam gear whine, the Twin Cam's timing setup uses silent chains and drive sprockets instead of the traditional spur-gear drive mechanism. Rack specifications and availability may vary for specific years, please choose the model year of your ES 350 to see the roof racks available for that year. Toyota has announced that there will be a recall on 270,000 Lexus (and one model Toyota) worldwide — from The New York Times:. Posted to Asian Engine on 8/30/2011 5 Replies. Welcome to the Lexus engine light Question and Answer Page! This page should save you some time from submitting a duplicate question and having to wait for a response. JEGS has Gear Drives for street and race cars ready to ship. NOTICE: Do not damage the camshaft. Toyota and Lexus 3. Insert the tool through the service hole and remove the bolt of the intake VVT gear while holding the camshaft stationary with a wrench. 0L V83UZ-FE VVTi / 4. The stock cam gear is not heavy enough , like others have said. If it does, then it is more likely to be rocker arms, pushrods, lifters, camshaft, cam bearings, timing chain and gears. Sometimes noise from the gearbox becomes a dominating one this creates a bad impression over the gear quality. I have a 2000 lexus ES300 with just over 89,000 miles on it. lexus already knows about it but no recall owners just have to tell if there car has a rattle on start up they will replace the cam gears mine gets done early next week.



The Lexus IS 350 has another, more serious issue with similar symptoms. Tecno, one of the players that target consumers who prefer to buy offline, recently launched its affordable Camon i4. Cam Timing Gears and Camshaft Oil Seals: Remove the cam gears takes quite a good deal of strength. See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. Fixing this at home is not a job for a novice. Phaser Style. They may not know enough about complex engine systems to know if it's something to worry about or not. The worst case scenario is. 0L i6 2JZ-GTE VVTi / 3. Each issue of Gear Patrol Magazine is a deep dive into product culture. 120,000 km's; gently driven and well maintained. LEXUS ES300 Timing Belt. Crowning can also reduce lead problems in the gears themselves,. What do cam gears help on your car? When you get aftermarket cam gears for a stock engine is it bad for the engine? Does it improve performance a lot? I am just wondering cause i heard a car with stock cam gears then with hks ones, and it had a huge sound effect of like a muscle car's bucket sound effect. 5 V6 Camshaft Gear Camshaft Pulley 13050-31141 , Find Complete Details about Oem 1305031141 Fot For Lexus Rx450h 3. There is an ongoing problem with the car that the dealer's service manager and master mechanic cannot figure out.



The 2008 Lexus RX 350 has 16 NHTSA complaints for the engine at 104,941 miles average. Cam lobes and bearings need to be coated with oil conditioner, which is usually included with new part kits. The 2006 Lexus RX 350 further refines driving pleasure through the class-leading performance of a new, state-of-theart, 3. In fact, every time I see a male of the species behind the wheel of a Lexus IS, I check my theory by scoping the badge. The car has recently developed a rattle on occasional start up (doesn't happen every time). of the gears. - Houston, TX, USA. In addition, the thrust plunger and spring are new. Fits Avalon, Camry, ES 350. Our largest inventory of Cam Gears fits 2007-2018 Lexus ES350 and more. If the noise seems twice as fast it is probably in the crank, mains, rods, rod bearings, wristpins and pistons. What symptoms will a worn distributor gear produce? i hate to keep asking q's, but im at wits end with my s10 4. In late October I received another recall letter from Lexus regarding replacement of Intake VVT Actual Gears (certain 2006 to 2011 IS350s), will require car to be in shop about a day. How to Get Rid of Engine Lifter Noise by Richard Rowe As found in a cam-in-block engine, lifters are responsible for transmitting the movement of the camshaft lobes to the pushrods. 5-liter 2GR-FE engines were installed. LexusPartsNow. (2) VVT-I CAM Gear Rebuild O-Rings Toyota Lexus GS300, IS300, SC300 2JZ 1JZ VVTI - $9. Welcome to Reddit, As you can hear (if you turn speakers up, recording isn't very sensitive), it's kind of a high pitched whistling sound or whining sound. This is the internal o-ring and the front seal for the VVTi cam gear found in 97-UP VVTi JZ engines, 1JZ and 2JZ, turbo and non-turbo.



Often, gears have to be treated by a combination of these operations, e. Tire air column resonance is generated as follows. After reading complaints with the 2007 Lexus rx 350 and knowing that Lexus issued a recall on certain 2008 Lexus models for this very issue tells me that a new recall should be made before someone is injured or death occurs. Hi, I have 2008 Lexus rx350. To this, RX 400h was manufactured, which used 3MZ hybrid engine + electric motor. LexusPartsNow. Easy to use parts catalog. 4x4 Accessories - Quality Aftermarket Off Road Equipment & 4x4 Gear. 5L i61JZ-GTE VVTi / 2. The 2014 Lexus IS350 is powered by 3. Application: • M2113 holds the intake VVT gear during valve spring replacement • Saves technician time as the engine can be turned over with the cam shaft out and with the VVT gear in and timing chain installed. Find our best fitting camshaft timing gears for your vehicle and enjoy free next day delivery or same day pickup at a store near you!. I see theres a TSB out there for the camshaft timing gear on some 2009 Corollas, but of course my VIN is not e. Of the cases I've read about, the noise is due to a problem with the primary drive gear. My Lexus has started to make a strange clicking noise while driving.



Lots of weird noise, engine stopped. Lexus OEM CAMSHAFT GEAR. (5) Use a zinc additive oil. Description : GS300; Intake; From 8/05. Removed vvt sensor rotate cam pulley back and forth remove 14mm cam cap then 10mm cam gear bolt. Tsb for cam gear noise I have a 2006 is250 awd and i work for a toyota dealership and we also have a lexus store. Somehow, I was blissfully unaware that Lexus was the official Luxury Vehicle of Laguna Seca, so upon arrival I quickly spotted another LC 500, an LC 500h, and even an LC 500 equipped for pace car duties. Refer to a mechanic as soon as possible. Cam Ring Symptom Gear Squawk Growling Hissing Noise Groan Swish in Pump Whine in Pump Weeping – deterioration at crimp Exterior deterioration – excessive heat or ozone A5 Remove Valve Buff Clean And Replace Fill Reservoir With Oil Flush And Bleed System Replace “O” Ring Flush System, Check Hoses For Blockage Replace Bushing Replace Pump Replace Pump. The Lexus LFA is rarely offered for sale, given its very limited production run of just 500 units. Most Toyota/Lexus-style reservoirs have a filter screen at the. Home 2020 Supra Performance Parts Lexus SC300 SC400 Toyota Soarer Parts UZZ30 JZZ30 1992-2001 Engine // Air Intakes // Cam Gears TITAN V2 CAM GEARS!! 1JZ & 2JZ Series Engines Supra IS300 GS300 SC300 2JZGTE 2JZGE 1992-2005. Unlike earlier motors on the Land Cruiser series, the valves do not get louder when they wear. Fisrt transmision is not worked good and had P0671 foult and not shift to 5 and 6 gear also then i drive and put of leg from akselerator in "D" position in transmision. Failing that you are looking at replacing the wave washers on the scissor gears of the cams which for a similar noise was a recall on Mazda V6s in the mid 90s in NZ. Used Timing Gears for the Lexus RX350 for Sale.



Lexus RX Introduction. Versatile, comfortable, and fun — the Roofnest Sandpiper ticked the right boxes for a rooftop tent. Browse Intake Exhaust Gear 2012 available for sale now. distributor gear, making sure the camshaft was not damaged in shipment. VVT-i Cam Gear Rebuild Viton O-ring Lexus GS300, IS300, SC300 2JZ 1JZ VVTI Fits:1JZ-GE VVTi / 2. Lexus RX is mid-size SUV produced since 1997. 0L i6 (Turbo)1UZ-FE VVTi / 4. I thought timing chain tensioner. (16-20mm) long with a 6mm thread diameter and a 1mm pitch is recommended. 0L engine from time-to-time for about a year now. There are 115 complaints filed for the 2006 LEXUS GS300. NOTICE • Be careful NOT to damage the cylinder head or spark plug tube with the wrench. The 1FZ-FE motor requires the valve clearances to be checked. VVTi JZ Cam Gear Rebuild Kit. I covered one, the other is a lower engine noise. The Confidant is a fairly new Engine from Kohler, announced on Oct 21, 2013 to be ready for 2014 & up. Get the best deal for a 2012 Lexus CT200h Cam Gear.



We go out of our way to carry every major line of Lexus Is cam gears, so that whether you are looking for a replacement Lexus Is cam gear or a cheap camshaft gear or anything in between, we've got it for you. Lexus isn’t kidding when it says the 2019 ES is all-new. Shop with confidence. 5L i61JZ-GTE VVTi / 2. Engine Rattling And Whining Sounds problem of the 2008 Lexus IS250 2 Failure Date: 07/28/2016 I took my 2008 Lexus Is250 to the dealer on 7/29/16 for a recall issue that it had I was told my car had a rattling noise coming from my motor I was told it the vvt cam gears I was quoted $3,000 to do this job on my car. Brief Engine Knock/Rattle Noise at Cold Startup (1AR/2AR) Repair Procedure (Continued) D. No matter what car I buy, everything I ever need is in stock, and the prices are unbeatable. (2) VVT-I CAM Gear Rebuild O-Rings Toyota Lexus GS300, IS300, SC300 2JZ 1JZ VVTI - $9. The one negative of straight cut gears, and its a big one, is that they produce a lot of noise. If so, PartRequest. Camshaft Fitting. Versatile, comfortable, and fun — the Roofnest Sandpiper ticked the right boxes for a rooftop tent. You have a gear driven system. I'm with T S T on this, being a previous Lexus RX owner I too find it hard to believe, but things do happen, so it is not unheard of as to what has happened to your engine. Gear, Camshaft Timing. Right now all timing marks are on in the same spots.



1492 Dial-A-Gear Cam Gears. To shop on time for Timing Camshaft Gears Fits, shop online for Timing Camshaft Gears Fits. Skip to main content LEXUS IS300 CAMSHAFT GEAR VVT-i PULLEY CAM SHAFT TIMING GEAR 98-05. Did they do any real testing? If they did get the results, like is the engine locked up, or obvious engine damage, have them. Tomei Adjustable Camshaft Gear Sprocket - Nissan SR20DET. Due to the high number of phone calls we receive concerning the fitment and timing of camshafts, we have decided to include camshaft fitting instructions on this website. Together with them, 3. 00 Trending price is based on prices over last 90 days. Does anyone else have this 'whine' noise? And do you think it would be even worth replacing a $200 solenoid with the tranny making that whine noise?. the vehicle was taken to the dealer (tom wood lexus, 4610 e 96th st, indianapolis, in 46240, (317)-580-6880) where it was diagnosed that the oil cooling line failed. Below is a list of complaints & problems filed against the 2006 LEXUS GS300. There was also a hybrid version of RX450h with 2GR-FXE engine. Is250 Camshaft Rattle On Cold Start - Finally Acknowledged. Lexus Auto Parts at SSL-Parts. But lets get to the point of this post. 0L i6 2JZ-GTE VVTi / 3. 2 days ago · As such, I took the opportunity to test the 2019 Lexus LC 500, a car that most certainly lives up to the Grand Touring moniker. VVT-i Cam Gear Rebuild O-ring Toyota Lexus GS300, IS300, SC300 2JZ 1JZ VVTI " PicClick Exclusive Popularity - 6,983 views, 14.



Product page for HKS Adjustable Cam Gears fitment for the 2004 Lexus IS 300. CAUSING NOISE AND/OR ILLUMINATION OF THE BATTERY. The owner letters will. I have a 2000 lexus ES300 with just over 89,000 miles on it. Automotive Recalls and Technical Service Bulletins for 2007 Lexus ES 350 V6-3. Such noises indicate problems with the individual planetary gears, input shaft or interior transmission bearings. Lexus IS Engine Problems. Move the cam as far back as the plug at the rear of the block will allow, and fasten the upper timing gear. no Lexus dealer near by where i live, i had it towed to the nearest Toyota dealer. Next, compare the stamped numbers on the end of the cam with the spec card to make sure this is the correct cam. A second benefit of the crowning approach to gear cutting is the minimization of misalignment problems, caused by inaccurate machining of the casting, housing, shafting, gearboxes, or bearing journals. Rotate the cam while it's in the block, applying the oil in small amounts. Complete base rack systems for a Lexus RX 350. There are 115 complaints filed for the 2006 LEXUS GS300. 2 days ago · As such, I took the opportunity to test the 2019 Lexus LC 500, a car that most certainly lives up to the Grand Touring moniker. Lexus Engine Light Questions And Answers. The camshaft driven gear (intake side) is integrated with the VVT-i actuator to vary the intake camshaft valve timing. Reducing emissions, reducing the need for an EGR valve, improving fuel economy, and getting more performance out of smaller engine sizes tells me that the VVT systems are here to stay. "Eek - if that's going to happen, I want to sell or trade in the car first. but there is a little road noise from the tires.



Gear noise associated with tooth surface topography is a fundamental problem in many applications. Top Gear's guide to: Lexus. Here is a reference. Cam gear noise will usually be evident at a warm idle in neutral and sounds much like a loose timing chain noise. Variable Camshaft Timing/ Variable Valve Timing To prevent noise & mechanical wear, a spring 2005 Ford 5. BRIEF ENGINE KNOCK/RATTLE NOISE AT COLD STARTUP Models: '06 - '07 IS 250 Technical Service Information Bulletin July 3, 2007 EG017-07 Immediately following a cold soak startup, some 2006 - 2007 model year IS 250 vehicles may exhibit a brief rattle/knock noise from the engine compartment for approximately one second. 3406E noise behind peanut cover up by the cam gearhelp me !!!!! Discussion in ' Trucks [ Eighteen Wheelers ] ' started by doublew , Dec 4, 2012. P0325 Lexus Description The Knock Sensor (KS) senses engine knocking (also known as detonation or pinging) using a piezoelectric element. We go out of our way to carry every major line of Lexus Is cam gears, so that whether you are looking for a replacement Lexus Is cam gear or a cheap camshaft gear or anything in between, we've got it for you. The Lexus LS possesses the lowest engine noise levels of any car in its class, while in the rear the level of ‘conversation clarity’ is almost 100% when the car is travelling at 62mph. A brief rattle or knocking noise may be noted on initial start up. There was as issue with oil getting to the cam gears in the Lexus IS 350. com at heavily discounted prices along with many other auto tools. Camshafts,Valve Trains,Intake and Exhaust Systems 173 Figure 9-7 A replacement silent chain and sprockets. 5L (2GR-FE) Tick Noise From Upper/Lower Windshield Area. Multiple thread worms and gears with higher helix angle prove 25% to 50% more efficient than single thread worms. The 2008 Lexus IS 250 has 18 NHTSA complaints for the engine at 62,955 miles average. Lexus Cam Gear Noise.