Engine - Bearing Cap Redesign Reduces Vibration
REFERENCE ENGINE NUMBER 032 DATE 03-27-87 MODEL ST, SVTITLE ENGINE OIL PAN ON S SERIES ENGINES
To reduce possible engine related vibration on S series engines, the No. 5 engine bearing cap has been redesigned. To accommodate this modification, the rear oil seal retainer and oil pan have also been redesigned.
PRODUCTION EFFECTIVE:
From VIN Production Date
JT2ST6#*#G7076267 July 1986
JT2ST65*#G7055672 July 1986
JT2SV1#*#G0512085 July 1986
JT2SV2#E*H3000026 August 1986
JT2SV2#W*H0000244 August 1986
PART NUMBER INFORMATION:
Previous Part Number New Part Number Part Name/Application
12101-63020 12101-63021* Pan sub-assy, oil/2S-E
12101-74020 12101-74021* Pan sub-assy, oil/3S-FE, 3S-GE
11381-63010 11381-63011** Retainer, rear oil seal/
all S series engine
*Parts are interchangeable **Must be used with a redesigned oil pan
PROCEDURE FOR VEHICLES PRODUCED BEFORE JULY 1986
1. When reusing the original oil seal retainer and oil pan on vehicles produced before July 1986 assembly, procedures remain unchanged.
2. When replacing the rear oil seal retainer (P/N 11381-63011), a new oil pan must also be used (P/N 12101-63021, 2S-E or P/N 12101-74021 3S-FE, 3S-GE).
3. When replacing only the oil pan, a new oil seal retainer is not necessary, but the following installation procedure must be followed.
^ Remove and discard the two studs from the oil seal retainer (see illustration).
^ Apply FIPG to the oil pan (see illustration).