Cutlass Cruiser V8-307 5.0L VIN Y 4-bbl (1983)
Fluid Pump: Technical Service Bulletins
A/T Oil Pump - Service and Parts Information
SUBJECT:
SERVICE AND PARTS INFORMATION ON NEW PUMP ASSEMBLY VANE RINGS
MODELS/YEARS:
ALL 1981-87 MODELS WITH THM 200-4R
TRANSMISSIONS
NUMBER:
87-T-46
DATE:
October 7, 1987
SECTION:
7A
This bulletin covers new THM 200-4R transmission oil pump assemblies with modular iron vane rings. The new design vane rings will reduce the
possibility of vane ring distress.
Figure 1 - THM 200-4R Transmission
Date of Production Change:
(Figure 1)
Beginning June 17, 1987 (Julian Date 168) all 1987 THM 200-4R transmissions were produced with these new vane rings.
