Suburban 3/4 Ton 4WD V8-305 5.0L (1986)
Seals and Gaskets: All Technical Service Bulletins
A/T Oil Pan Gasket - Eliminates Fluid Leaks
NUMBER:
86-B-46
GROUP:
7A-Automatic Transmission
DATE:
March, 1986
SUBJECT:
NEW OIL PAN GASKET TO ELIMINATE FLUID LEAKS
MODELS:
1982-86 LIGHT DUTY MODELS WITH THM 700-R4 AUTOMATIC TRANSMISSION
Figure 1 - THM 700-R4 Transmission Identification Information
FIGURE 2 - CONTINUOUS RAISED RIB
Beginning on September 24, 1985 or Julian Date 267, (refer to Figure No. 1), all models of the THM 700-R4 transmission were built using a new oil pan
gasket (P/N 8654799).. This new gasket is thinner than the cork type gasket and must be used only for 1984 through 1986 model year transmission
assemblies with oil pans that have a continuous raised rib (refer to Figure No. 2).
