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I have a 2006 IS250 JAPAN make, it has these intense vibrations that are felt throughout the whole car or whole body only when accelerating.
i have tried wheel alignment, I have changed the tyres, swapped the rims, i changed the front hubs (bearings), changed the fuel injectors. changed the propeller shaft and the drive shafts and also the gearbox,,i have installed new motor mounts for gearbox and engine ,i also changed the disc(rotors) and the diff and lastly the computer box but still the car has these vibrations that can be felt only when i accelerate and from 40mph to 60 mph ,,,what could be the problem,,i love the car...where am i failing. how can i fix it.iv spent a fortune to no luck.
When did the vibrations start? Lots of talk I. The IS forum about how the whole body gets easily bent when they hit a pothole. And from there the Vibs are on.
How many miles on it and how is it used? Like is it doing a bunch of short trips? Is the CEL on, does it have any pending codes?
More specifically, is the engine causing the shake or the drivetrain? Any chance the driveshaft has been out of it and is improperly indexed or the support mount in the middle of the driveshaft is gone bad.
261 000km
it doesn't have any codes. i just use it normal short trips.
i have changed the drive shafts but it still does the same...we dont know whats causing the vibrations cause we have changed most drive terrain ccomponents but still no change
Has the car done this since you purchased it? It won't be cheap but a good body shop can tell you if there are frame/subframe/body-alignment issues causing the drivetrain to not align with the car/road. In extreme cases the vehicle will "crabwalk".
Can you say for certain it is not the engine misfiring under load?
From the trans to the rear diff is a 2 piece driveshaft. If it has been apart before, it could be indexed incorrectly. It also has a bearing mounted in rubber to support it, if the rubber is bad it flex under load messing you the driveline angles and cause a vibration.
Notice this can be taken apart at the slip yoke. Another issue is if the slip yoke is not sliding,, that will cause a vibe, as will wrong index, bad u- joint. All worth checking out.
When I say wrong index, I mean, assembled wrong at the slip joint and it is now out of phase...
11-22-20, 08:29 AM
Is250 06 model japan has intsense vibrations.help
