G 3500 1 Ton Van V8-350 5.7L VIN K TBI (1987)
Clutch: Customer Interest
A/T - Forward and Reverse Engagement Shift Feel
GMC NUMBER:88-T-15
GROUP:
7A - Automatic Transmission
DATE:
May, 1987
CORPORATE
NUMBER:
867101
SUBJECT:
FORWARD AND REVERSE ENGAGEMENT SHIFT FEEL
MODELS:
1987 LIGHT DUTY MODELS WITH THM 400 AUTOMATIC TRANSMISSIONS AND
1988 C/K MODELS WITH THM 400 AUTOMATIC TRANSMISSIONS
TRANSMISSION MODELS:
FDA, FFA, FJA, FMA, FNA, FPA, FQA FTA, FUA, FWA, FYA, FZA, LAA, LBA LCA, LDA, LFA, LHA, LJA, LKA, LMA LRA, LSA, LTA, LUA,
LWA, LZA
BULLETIN COVERS:
Certain 1987 and 1988 light duty models with THM 400 transmissions (refer to list above) have new forward and direct clutch assemblies with a
"dished" steel clutch plate. This new design clutch plate improves forward and reverse engagement shift feel by cushioning piston apply.
FIGURE NO. 1 THM 400 TRANSMISSION IDENTFICATION INFORMATION
DATE OF CHANGE: (Figure No. 1)
July 22, 1986 (Julian Date 203) for listed 1987 THM 400 transmission models.
