M.
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Reged: 10/09/2010
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Posts: 282
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Loc: Costa del Poole
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Re: Auto gear box Limp-home mode?!?!?
[re: Nick C]
08/04/2015 21:28
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How is the cooling? And also the age of the transmission oil and filter? Here's a little history of similar events on mine.
First. Very old fluid was making the box rather clunky. At the time, I didn't have access to a filter, so I only drained the box, and refilled with new fluid. It made a world of difference.
Overheating cooling system. When I had an issue with overheating, a side effect was that the transmission would frequently lock in one gear, and stay there, until the ignition was turned off. Initially, it didn't appear that I was having a cooling problem.it became gradually worse. My supposition was that gearbox cooling circuit was suffering simply because the engine cooling was not normal.
This also manifested mostly in stop start/ slow speed traffic.
My cooling problem was actually a failed viscous coupling for the fan. Worth checking. Have a look at one of my threads.
85 WR quattro
90 V8 Silver, 91 V8 Black, 93 V8 Lago
93 100e quattro V6. Titan, i think
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