Crankcase & Oil Trap - Modified
83porsche03Subject
Engine lubrication
Part Identifier
Applies To 944
1983
Group
17
Key Points
Modifications to crankcase and related lubrication system parts
C
Number
83-05
November 17, 1983
A modified crankcase and oil trap are being used in production as of March, 1983. Engine numbers are as follows:
43 D 0869 - (5 speed trans,) 43 D 6294 - (Auto. trans.)
The diameters of the oil return bores have been enlarged to ensure faster return flow to the oil pan.
Fig. 1 New crankcase, P/N 944.100.904.01
^ Diameter "A" = 33.00 mm
^ Old diameter = 29.00 mm
Fig. 2 New crankcase
^ Diameter "B" - 20.00 mm
^ Old diameter = 16.50 mm
Oil trap comparison
New oil trap P/N 944.107.180.08
Old oil trap P/N 944.107.180.06
Lower seal P/N 999.701.661,40 (New)
Upper seal P/N 999.701.613.40 (Unchanged)
1 - old oil intake pipe P/N 944.107.032.05
2 - old oil return pipe P/N 944.107.183.02/05
3 - old oil pan liner P/N 944.107 389.00
New replacement parts
1 - oil intake pipe P/N 944.107.032.06
2 - oil return pipe P/N 944.107.183.03
3 - oil pan liner P/N 944.107.389.01
The new oil return pipe is installed without a seal.
Note
Only new version crankcases and oil intake pipes are available as replacement parts. Oil traps, oil return pipes and oil pan liners are available in both versions.
Caution
If a new version crankcase is to be used, new oil trap, intake pipe, return pipe and oil pan liner must be used.
CAUTION Part numbers are for reference only. Always check with your Parts Department for latest parts information.