C 1500 Truck 2WD V6-262 4.3L VIN Z (1992)
Distributor And Coil - 7.4L Engine
REMOVE OR DISCONNECT:
NOTE:Verify ignition switch is "OFF".
1. Disconnect wiring harness connectors at side of distributor.
2. Remove coil wire and sparkplug wires on either the left or right side of the distributor.
3. Remove distributor cap by the two screws and set to side:
A. Bring engine to TDC on the compression stroke for the #1 cylinder and align timing marks to 0° .
B. Scribe a mark on the distributor housing in line with the rotor.
C. Scribe a mark on the engine in line with the rotor.
D. Note position of the distributor housing in relation to engine.
4. Remove distributor bolt hold-down clamp, raise distributor noting rotor rotation, then remove distributor and gasket (if applicable). Do not
rotate crankshaft with distributor removed from engine.
INSTALL OR CONNECT:
NOTE:
To ensure correct timing of distributor it must be installed with rotor correctly positioned as noted in Step 3 of the removal procedure. Line up
rotor, mark on distributor housing, and mark on engine.
If distributor shaft won't drop into engine, insert a screwdriver into cavity for distributor and turn oil pump driveshaft.
1. Install distributor and gasket (if applicable).
2. Install hold-down clamp and tighten bolt:
^
Bolt on the 2.8R to 35 Nm (26 lb. ft.).
^
Bolt on the 4.3Z, 5.0H, 5.7K & 7.4N to 35 Nm (25 lb. ft.)
3. Install distributor cap.
4. Connect wiring harness connectors at side of distributor.
5. Sparkplug wires and coil wires.
6. Check engine timing.
