gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

PROM - Lack of Power/Transmission Hot Mode|Page 4143 > < PROM - Lack of Power/Transmission Hot Mode
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4.

Check Thermac door in air cleaner for correct operation. Door must open and close freely with no sticking or binding.

SERVICE PARTS INFORMATION 
In case of limited inventory, parts will be placed on 400 control to waive VIP surcharges. Only verifiable emergency VIP orders will be accepted.
GMSPO will make every effort to obtain parts. However, the part will be shipped premium transportation at dealer's expense and all other order types
will be placed on backorder until the 400 control is removed.

1991 - 4.3L/RPO LB4

1992 - 4.3L/RPO LB4

PROM - Lack of Power/Transmission Hot Mode|Page 4143 > < PROM - Lack of Power/Transmission Hot Mode