TruckCodex

Complaint 904304

1999 GMC SIERRA • ENGINE AND ENGINE COOLING • incident Feb 2, 2004

Crash
No
Fire
No
Injuries
0
Deaths
0
Complaint ID
904304
Make
GMC
Model
SIERRA
Model Year
1999
Component
ENGINE AND ENGINE COOLING
Incident Date
Feb 2, 2004
Date Received
Feb 9, 2012
Data As Of
Jul 1, 2026

Complaint Summary

ENGINE AND ENGINE COOLING

Owner Narrative

TWO BROKEN MANIFOLD BOLTS IN REAR DRIVERS SIDE OF ENGINE ON 5.3 VORTEC ENGINE, EXHAUST LEAK FROM WHERE MANIFOLD HAS SEPARATED FORM HEAD. CARBON BUILDUP AND DISCOLORATION VISIBLE. HIGH TEMP EXHAUST BEING RELEASED UNDER THE HOOD. APPEARS TO BE A VERY COMMON COMPLAINT ON MANY GM VEHICLES AND MODEL YEARS. *TR

Owner-submitted narrative on file with NHTSA. Complaint narratives are self-reported and have not been verified.

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Data sources & freshness

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FMCSA

Census, SAFER, SMS, Licensing & Insurance (L&I), roadside inspections, crashes, and authority history.

Refreshed daily.
NHTSA

Vehicle recall campaigns, defect investigations, and consumer safety complaints (SCRS).

Refreshed daily.
EIA

Retail diesel and gasoline price history and state fuel-tax tables.

Refreshed weekly.
Transport Canada

Cross-border carrier registry and Canadian recall campaigns where applicable.

Refreshed weekly.

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