Engine Mount - Hollow Underbody Thump Noise

File In Section: 06 - Engine/Propulsion System

Bulletin No.: 02-06-01-017

Date: May, 2002

TECHNICAL

Subject:
Hollow Vibrating Bump/Thump Noise From Front Underbody Area Heard In Passenger Compartment When Driving Over Rough/Bumpy Roads (Replace Engine Mounts)

Models:
2003 Cadillac CTS Built Prior To VIN Breakpoint 30101462

Condition

Some customers may comment on a hollow vibrating/reverberating bump or thump type noise coming from the front underbody area. This noise may be heard inside the passenger compartment when traveling at speeds of 48-64 km/h (30-40 mph) over moderate input bumps such as expansion joints or man-hole covers. This condition may also be described as a "loose lumber" noise.

Correction

Replace the existing engine mounts with P/N 25744159.

Refer to the engine mount replacement procedures in the Engine Mechanical sub-section of the Service Manual.





Parts Information

Parts are currently available from GMSPO.

Warranty Information





For vehicles repaired under warranty, use the table as shown.





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