Oil Filter Adapter - Service Procedure Revised
9218chevy05
Number: 90-146-6A
Section: 6A
Date: January 1990
Corporate Bulletin No.: 936125
Subject:
OIL FILTER ADAPTER
Model and Year:
1990 A, J, L, W CARS AND U-VAN (UPV) WITH 3.1L (VIN CODE T) ENGINE
TO: ALL CHEVROLET DEALERS
THIS BULLETIN CANCELS AND SUPERSEDES DEALER SERVICE BULLETIN NO. 90-112-6A. DATED DECEMBER 1989. THE 3.1L ENGINE HAS BEEN SPECIFIED. ALL COPIES OF 90-112-6A SHOULD BE DISCARDED.
Use this procedure when servicing the oil filter adapter on the following vehicles with the 3.1L engine.
U - VAN
Oil Filter Adapter
Figure 1
Remove or Disconnect
- Raise vehicle and suitably support, refer to GENERAL INFORMATION (SECTION 0A).
1. Oil filter
2. [1][2]Oil pressure sensor wires
3. [1][2]Oil pressure sensor
4. Connector
5. Adapter and gasket
Clean
- Oil filter adapter an engine block-mating surface
Install or Connect
1. Gasket
2. Adapter
3. Connector
Tighten
- Connector to 67 N-m (50 lb.ft.)
4. [1][2]Oil pressure sensor
5. [1][2]Oil Pressure sensor wires
6. Oil filter
- Lower vehicle
- Check oil level and fill to proper level if necessary. Refer to MAINTENANCE AND LUBRICATION (SECTION 0B).
A AND W CARS
Oil Filter Adapter
Figure 1
Remove or Disconnect
- Raise vehicle and suitably support, refer to GENERAL INFORMATION (SECTION 0A).
1. Oil filter
2. Connector
3. Adapter and gasket
Clean
- Oil filter adapter and engine block mating surface.
Install or Connect
1. Gasket
2. Adapter
3. Connector
Tighten
- Connector to 67 N-m (50 lb.ft.)
4. Oil filter
- Lower vehicle
- Check oil level and fill to proper level if necessary. Refer to MAINTENANCE AND LUBRICATION (SECTION 0B).
J AND L CARS
Oil Filter Adapter
Figure 2
Remove or Disconnect
- Raise vehicle and suitably support, refer to GENERAL INFORMATION (SECTION 0A).
1. Oil Filter
2. Adapter bolt/screw
3. Adapter
4. Gasket and seal
Clean
- Oil filter adapter and engine block mating surface.
Install or Connect
1. Gasket and seal
2. Adapter
3. Adapter bolt/screw
Tighten
- Bolt/screw to 67 N-m (50 lb.ft.)
4. Oil filter
- Lower vehicle
- Check oil level and fill to proper level if necessary. Refer to MAINTENANCE AND LUBRICATION (SECTION 0B).