Grand Prix V8-350 5.7L DSL (1983)
Band: Customer Interest
A/T - No Fourth Gear/Burned 2-4 Band Assembly
Number
83-T-26
Section 7 Date 04/83
Subject:
NO FOURTH GEAR AND/OR BURNED 2-4 BAND ASSEMBLY - THM 700-R4
If a condition of no fourth gear and/or a burned 2-4 band assembly is encountered on any THM 700-R4 transmission, the cause may be a blocked 2-4
servo exhaust hole (see illustration)..
The use of R.T.V. silicone sealant and/or some aftermarket oil pan gaskets may block this 2-4 servo exhaust hole causing the above conditions.
When installing the oil pan on any THM 700-R4 transmission be certain to use original equipment oil pan gaskets so the 2-4 servo exhaust hole is not
blocked. Also, do not use R.T.V. silicone sealant on any THM 700-R4 oil pan.