Table 19
Troubleshooting Test Steps Values Results
3. On-Engine Inspection of the Belt Tensioner
A. Determine if the belt is tracking toward either side of pulley
(6).
B. Check the alignment between the following components:
•• Refrigerant Compressor
•• Belt Tensioner
•• Alternator
•• Idler Pulley
•• Crank Pulley
Inspection Result: The witness mark created by the belt on the pulley
is considerably wider than the belt or the belt is tracking
away from the pulley center.
Repair: Remove and reinstall the components. Refer to
Disassembly and Assembly for the correct procedure.
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.
4. On-Engine Inspection of the Belt Tensioner
A. Leave the belt and tensioner installed. Determine if arm
case stops (3) are contacting or very close to spring case stops
(5).
Inspection Result: The arm case stops (3) are contacting or very
close to spring case stops (5).
Repair: Check that the correct belt is installed. If neces-
sary, replace the belt. Refer to Disassembly and Assembly,
Alternator Belt - Remove and Install.
The arm case stops (3) are not contacting or very close to
spring case stops (5).
Proceed to Test Step 5.
UENR4469-36 79
Symptom Troubleshooting
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