TSB Document:

• Sorry, the NHTSA has not posted this TSB document yet.

You can still get the detailed info from GMC for this TSB. Call your local GMC dealer's service department & ask for a copy of TSB# 4540.

Affected Component: SERVICE BRAKES, AIR

Summary

VEHICLE SHAKES OR VIBRATES AT HIGHWAY SPEEDS. *NJ UPDATED 8/25/08. *PE

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