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Matt
Matt, Mechanical Engineer
Category: Toyota
Satisfied Customers: 20617
Experience:  BEng hons Mech engineering, in auto industry 22 years
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I have a 2008 Avensis and every time I have changed gear it

Customer Question

I have a 2008 Avensis and every time I have changed gear it is as if it is taking seconds for the engine to
pick up. There is a sound as if the revs are catching up with the gear change.
Submitted: 10 months ago.
Category: Toyota
Expert:  Matt replied 10 months ago.
Hello
if this is a manual gearbox then I'd suspect that the clutch may be badly worn ?
If you try to pull away from standstill in 2nd or 3rd and the engine rpm climbs without the car accelerating then this indicates the clutch is slipping
now if this is an automatic then I'd take a look at the colour of the transmission oil it should be a dark red colour if its black then its needs changing together with its oil filter. Also check its level with the gearbox warm and just after you've moved the selector through all the positions leaving it for a few seconds in each one and then back to park.
You can top up the box through the dipstick tube if required and make sure you use the correct oil for your car as the fluids are not all the same. Some manufacturers recommended a change of the type of fluid - Speak to the local dealer and parts dept - they will advise you on the updated fluid to use..
If that’s all OK then check all the electrical connections of the gearbox, remove each connector in turn and spray with contact cleaner. Check that the wiring to the gearbox is in good condition with no chafing or frayed wire
If this is OK then check the selector lever linkage / cable under the car for any broken parts and or missing bolts as if this is coming adrift then it can rub on the car body or just bind up
Then - you should top up if low and re try it - or, if its level is ok - and condition is ok - then the next step is to drain it off - open it up and clean the filters inside -- refill and retry it..

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