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Old 12-03-2012, 12:30 PM
S406 S406 is offline
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Location: Montana
Join Date: Oct 2012
Posts: 68
Mein Auto: 00 S4, 93 525i
auto trans fluid

So heres my issue. My trans sometimes engages into first with a thump and doesnt always downshift to first as precise as it was designed. Like the drive shaft isnt engaging right away and when it does theres my thump. Ive narrowed one possible solution down to low trans fluid. Now, What should I top off the low fluid with? Its still got a red color in it so I dont want to drain and refill. So not knowing what fluid is in it do I run a risk of malfunction topping off with "x" fluid? There is a slow trans leak but not bad enough to leaves a drop or puddle on the ground. Just looks lubricated for performance under there
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