C 1500 Truck 2WD V8-5.3L VIN T (1999)
1.
Remove the crankshaft position sensor (1), and check for witness marks caused by contact with the reluctor ring. Reference the Service Manual
procedure as needed.
2.
If no witness marks are evident on the crankshaft position sensor (1):
IMPORTANT:
Do not place an additional shim washer (2) on the crankshaft position sensor (1), if one was not previously installed.
2.1.
Reinstall the original crankshaft position sensor (1) with any 0-rings and shims that may have been previously installed.
Tighten
Tighten the mounting bolt (4) to 25 Nm (18 lb ft).
2.2.
Continue with standard diagnostic procedures.
3.
If witness marks are evident on the crankshaft position sensor (1):
^
If a shim washer and/or 0-ring had been previously installed: call Technical Assistance for additional instructions
^
If a shim washer and/or 0-ring is not present:
3.1.
Place a shim washer (2) P/N 12565102 on a new crankshaft position sensor.
3.2.
Install the new crankshaft position sensor (1) with the mounting bolt (4).
Tighten
Tighten the mounting bolt to 25 N.m (18 lb ft).
3.3.
Perform the Crank Angle Sensing Error (CASE) re-learn procedure.
3.4.
With the engine at operating temperature, verify the correction of the noise condition.
Parts Information
