Regal V6-191 3.1L (1991)
Piston: All Technical Service Bulletins
Service Procedure
1.
Disconnect battery cables.
2.
Remove hood assembly.
3.
Remove air cleaner and duct assembly.
4.
Drain engine coolant.
5.
Disconnect upper and lower radiator hoses, heater hoses and coolant recovery tank (accessible from engine compartment).
6.
Disconnect T.V. cable at transaxle.
7.
Remove exhaust crossover pipe.
8.
Remove ECM cover.
9.
Remove serpentine belt.
10.
Disconnect both upper engine mounts and rotate engine forward. Refer to service manual section 6A5 for rotating and locking engine into
position.
11.
Remove Manifold Absolute Pressure (MAP) sensor and bracket.
12.
Remove generator assembly.
13.
Remove throttle control cable and shield at throttle body.
14.
Remove brake vacuum pipe at plenum and booster.
15.
Remove throttle control cable at plenum bracket.
16.
Remove power steering pump from engine and securely reposition at side. Do not disconnect power steering hoses from pump.
17.
Remove wiring harness tie straps and disconnect upper wiring harness connectors.
18.
Disconnect fuel lines at rail and bracket.
19.
Disconnect upper electrical grounds at transaxle.
20.
Disconnect vacuum modulator line at transaxle (accessible from engine compartment).
21.
Disconnect oxygen sensor electrical connector.
22.
Rotate engine back into normal position.
23.
Raise vehicle.
24.
Drain engine oil.
25.
Remove oil filter.
26.
Remove right engine splash shield.
27.
Disconnect front exhaust pipe from exhaust manifold.
28.
Disconnect electrical connections at compressor, ignition module and speed sensor.
29.
Remove A/C compressor pencil brace.
30.
Remove flywheel cover.
31.
Remove starter.
