944 S L4-2479cc 2.5L DOHC (1987)
Exhaust Crossover Pipe: Technical Service Bulletins
Exhaust Manifold/Exhaust Cross Pipe - Revised
Subject:
New Exhaust Manifold and Exhaust Cross Pipe
Model
944 Turbo
Group
2
Part Identifier 2146/2610
Number
8711
September 21, 1987
During the 1986 and 1987 model year several modifications were made to the exhaust system of the 944 Turbo prior to engine number 45H01768. The
purpose of this bulletin is to aid you in identifying the latest style components and determining which parts to replace. In addition, removal and
installation procedures and some important repair hints are also included.
This information is arranged in the following manner:
Part A -
Modification information
Part B -
Parts information
Part C -
Repair information
Part A -
Modification Information
Exhaust Manifold Cylinders 1 and 4. Has new expansion element and modified flanges.
Exhaust Manifold Cylinders 2 and 3. Has modified flanges to adapt to exhaust manifold 1 and 4.
Shield A recess is added for expansion element.
Exhaust Cross Pipe Has new removable pipe for wastegate and one piece flange for manifolds.
Note:
As interim production, exhaust cross pipes with removable pipe for wastegate only and previous 2 piece manifold flange were installed as of
VIN 95HN151297.
Part B -
Parts Information
Only new style parts are supplied for replacement. They are delivered as kits, Part Number 000 043 076 01, which includes the following:
Exhaust Manifold 1 and 4
951 111 131 05
Exhaust Manifold 2 and 3
951 111 133 04
Shield
951 107 065 02
Exhaust Cross Pipe
951 111 096 09
These parts are also available separately under their respective part numbers.
The following gaskets and seal rings must be ordered in addition to the exhaust manifold kit.
Gasket - Exhaust
944 111 196 00 (4 required)
Seal Ring
944 111 205 04 (3 required)
Seal Ring
931 123 195 00 (1 required)
Gasket - Intake
944 110 163 00 (4 required)
Part C -
Repair Information
When repairs are completed, the car should have all new type parts installed. In some cases, the kit will have to be used. In other cases, only the parts of
older design should be replaced.
Removal:
When repairing cars which require use of all parts listed in Part B, remove the exhaust cross pipe first. Removal of the intake manifold is therefore,
advised. This has two advantages:
-
Easier access to the top cross pipe-toTurbo mounting bolts and nuts and