A/T - Rattle Noise From Under the Vehicle
TSB SB04-05-S004Rattle Sound Coming From Under the Vehicle Reposition
Transmission Oil Cooler Lines
ISSUE DATE: MARCH 2004
Affected Vehicles
2003-2004 Isuzu Ascender models equipped with 4.2L engines (VIN S - RPO LL8).
Service Information
Condition:
Some customers may comment on a rattle type sound coming from under the vehicle.
Possible Cause:
This condition may be caused by one of the transmission oil cooler lines making contacting with the exhaust catalytic converter.
Correction:
Reposition the transmission oil cooler lines.
Service Procedure
Raise the vehicle and carefully reposition the transmission oil cooler line(s) to provide 10 mm (0.393 in) clearance between the exhaust catalytic converter and the line. Replace the transmission oil cooler line if any damage is present.
Warranty Claim Information
Use the labor operation shown.
NOTE:
1. Labor Time includes administrative time allowance.
2. Information released on paper and electronic format prior to bulletin release cannot be updated.
3. Always refer to the Isuzu Service Policy Procedure Manual for specific details on warranty coverage and policies.
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