944 S L4-2479cc 2.5L DOHC (1987)
5.
If car is equipped with cruise control, remove bracket for servo-motor cable.
Note:
Remove the aluminum washer between bracket and intake manifold.
6.
Remove fuel rail cover.
7.
Remove the three cable straps which secure the DME wiring harness and fuel rail.
8.
Disconnect the electrical connectors from the four fuel injectors.
9.
Place rags under fuel rail in the area of the test connection and under fuel hoses which connect to the fuel rail, to absorb possible fuel spillage.
10.
Remove fuel filter cap.
11.
Remove the cap nut for the test connection on the fuel rail using a 19 mm open end wrench, counter holding with a 12 mm open end wrench and
remove the sealing ball.
12.
Remove fuel return hose clamp on the pressure regulator and remove hose from pressure regulator.
13.
Disconnect fuel supply line from fuel rail using a 19 mm open wrench and a 17 mm open wrench to counter hold.
14.
Remove both 6 mm bolts which attach the pressure damper from intake manifold (arrows 1 and 2).
Note:
Keep both aluminum washers which are located between pressure damper and intake manifold.
15.
Remove the three 6 mm bolts which hold the fuel rail.
16.
Remove vacuum hoses from fuel pressure regulator and damper.
17.
Pull out the fuel rail together with the four fuel injectors (B).
18.
Remove the three aluminum spacers washers from between fuel rail and intake manifold.
19.
Secure fuel rail in a vise, using copper jaws.
20.
Remove the injector clips and pull out injectors.
21.
Remove fuel supply hose from the pressure damper (B), using an open end 19 mm wrench, counter holding with a 24 mm open end wrench the
pressure damper.
22.
Remove fuel return hose from the pressure damper, using an open end 19 mm wrench, counter holding with a 15 mm open wrench the pressure
damper and remove the pressure damper.
23.
Remove the two 6 mm bolts which hold the pressure regulator (C) from the fuel rail and take off the regulator.
24.
Remove O-ring from the pressure regulator and install new o-ring, Part Number 000 043 142 00. Lubricate 0-ring lightly with engine oil.
25.
Remove old fuel rail from the vise and replace with new fuel rail, Part Number 944 110 080 13. Secure the new fuel rail in the vise lightly.
26.
Push the pressure regulator (C) into the new fuel rail and secure it with the 6 mm bolts. Tightening torque: 10 N-m (7.2 ft.lbs.).
27.
Install pressure damper (B), secure fuel supply hose with a 19 mm open end wrench, counter holding with a 24 mm open end Wrench. Tightening
torque: 30 N-m (21.6 ft.lbs.).
