pontiac Workshop Repair Guides

Pontiac Workshop Service and Repair Manuals

All Technical Service Bulletins for Valve Body:|87C09 > < A/T - No 2-1 Gear Coastdown Shift When Cold
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on a clean workbench and change the 1-2 shift valve spring. Do not attempt to change the spring as an on-car service procedure.
SERVICE PARTS

INFORMATION:

Part No.

Description

Years

Models

8634619

1-2 Throttle

1987

CCF, CHF, CRF, 

Valve Spring

1988

CTF, CYF, CZF

SERVICE MANUAL REFERENCE:

Refer to the unit repair section of the THM 200-4R Service Manual for valve body service procedures.

All Technical Service Bulletins for Valve Body:|87C09 > < A/T - No 2-1 Gear Coastdown Shift When Cold