K 1500 Truck 4WD V8-350 5.7L (1986)
Fluid Pan: Technical Service Bulletins
A/T - 700R4 Updated Oil Pan
SIL 88-2 (Jan)
SUBJECT: 700 R4
700 R4 Oil Pan
1986 THM 700 R4 (Julian Date 198) and all 1987 THM 700 R4 transmissions have a new oil pan and magnet.
This new oil pan is 1 mm deeper to accommodate the auxiliary valve body.
This new style pan will fit all models THM 700 R4.
1982 through early 1986 type pans will not fit transmissions with an auxiliary valve body.
Deep transmission oil pan - - 8663618
