C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Transmission Problems

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Old Oct 4, 2004 | 08:11 PM
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Upstate
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From: [Quote=WOEII] Is dried brown doodie powders man! [/Quote]
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This is pretty extensive so I am going to attempt the Cliff Note version.

All of this depends on trans model number for given PSI ranges. You should invest in a service manual, it's definitely worth it. This may not be applicable to your car. With that being said....

In P,N,OD,D; @ 1000 RPM

Depending on model Normal PSI range should be:
56-64
65-75

Full TV (@ 1000 RPM) Depending on Model:
144-185
137-172
155-196
145-184
122-155
123-154
146-186
128-164
139-179
152-197

Reverse @ 1000 RPM
92-106
108-123

Reverse@ 2000 RPM
All North of 200 PSI

First & Second @ 1000 RPM (And Full TV Apply)
191-217
162-187
163-186

These readings are to be taken from the Line Pressure Tap only, located on the drivers side of the trans.

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