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Old 18th January 2018, 01:06 PM
ulfilias ulfilias is offline
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Join Date: Apr 2009
Location: Peterborough, Cambs, UK
Posts: 961
Default Incorrect Gear Ratio

Hi There,

D3 A8 4.2 sport. ~160k on the clock. Got it a couple of years back from a ultra crappy dealer. It had been auctioned and the paperwork isn't the best. Theres a book with some bits in it but I don't recall anything about gearbox servicing. It's a daily driver rather than a show car and it's done pretty well over the last two years.

The other day i got an error, limp mode, thud etc. I was rushing and doing a quick three point turn and it was going quickly into reverse.
Car off and on and everything normal.

Then i did something similar a few days later after a low battery (indicator overnight) and the key was in the ignition and i couldn't turn it off and on for fear on having just started it.....So i popped my ODB11 bluetooth dongle in and and cleared the transmission error and the car was fine again.

I also had a thing where i pulled away and the gear stuck, the revs hit high and limp mode. That flagged a different error (revs) and incorrect on gear 4!

The gearbox has been a bit lumpy recently too (high power shifts) and i've notice a whine/noise when under power going round corners. Driving gently and it seems fine. Motorway stuff and it's great. It seems more prone to be lumpy/hesitant when starting off.....once it's warmed it's much better.

I'm wondering if the gearbox fluid is low, needs a change or something ???

I should probably get my VCDS stuff out and have a look too!

I'm Peterborough / Cambridgeshire if anyone knows of a recommendation?



Ta,
Lee
__________________
Current :
2005 A8 Sport 4.2 V8 D3 - LPG working!

Previous :
1998 S8 PF 4.2 V8 D2 - Gearbox died ~120k
2002 S8 FL 4.2 40v V8 D2 Prins LPG - Engine valves met pistons ~230K

Also :
1996 Jeep Grand Cherokee 4.0l (Post Apocalyptic makeover)
2003 Brabus Smart FourTwo (should sell)
2003 Mazda Rx8 2.3 (might sell)
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