Table 17
Troubleshooting Test Steps Values Results
1. Check the Condition of the Belt and the Assembly
Alignment
A. Check for debris or rust in all pulleys and grooves.
B. Check the belt for worn patches, contamination, paint, or
debris.
C. Visibly check the alignment between the following
components:
•• Refrigerant Compressor
•• Belt Tensioner
•• Alternator
•• Idler Pulley
•• Crank Pulley
Auxiliary
assembly
Result: There is rust or debris present.
Repair: Remove the rust or debris from the pulley grooves.
Result: The alternator drive belts are worn, damaged, or
contaminated.
Repair: Replace the belts. Refer to Disassembly and As-
sembly, Alternator Belt - Remove and Install.
Result: There is visible misalignment between the
components
Repair: Remove the belt. Refer to Disassembly and As-
sembly, Alternator Belt - Remove and Install.
Loosen the fixtures for the driven components and adjust
the position as required. Tighten the fixtures. Refer to Dis-
assembly and Assembly for the correct procedure.
Reinstall the belt. Refer to Disassembly and Assembly for
the correct procedure.
Run the engine to test the system.
Result: The alignment is visibly correct.
Proceed to Test Step 2.
Illustration 31 g06276401
(1) Belt tensioner wheel (typical example)
UENR4469-36
77
Symptom Troubleshooting
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