944 Turbo L4-2479cc 2.5L SOHC Turbo (1988)
Oil Cooler: Technical Service Bulletins
Oil Cooler O-Rings/Pressure Testing Cooler - Revised
Subject:
New Oil Cooler O-Rings/
Pressure Testing Cooler
Model
924S, 944 944S, 944 Turbo
Group
1
Part Identifier
1740
Number
8813
June 10, 1988
This bulletin replaces Technical Bulletin, Group 1, Number 8802, dated March 11, 1988. This bulletin contains the latest part number for the oil cooler
O-ring seals and instructions for testing the oil cooler for leaks.
FIGURE 1
New Oil Cooler O-Rings
The sealing O-rings (A, figure 1) located on the oil cooler of normally aspirated cars and on the connecting pipe of the oil thermostat housing of Turbo
cars, have been changed. The new version O-ring is now green in color (formerly red). When repairing, use ONLY the new version green O-rings. Part
Number 999 707 043 40.
The new version O-rings are installed from the following engine numbers.
46 J 06772
924S, 944 Manual trans.
46 J 61599
924S, 944 Auto trans.
42 J 01420
944S
45 J 01753
944 Turbo
47 J 00899
944 Turbo S
Pressure Testing Oil Cooler (normally aspirated cars only)
To test the oil cooler for leaks proceed as follows:
Obtain the following parts:
1 - Hose clamp - 16-25 mm 1 - Dust cap - 23 mm diameter A water container large enough to completely submerge the oil cooler.
