Service bulletins for the 1999 Chevrolet T-Series
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
57 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
| 990235001 | 1999-08-27. Service bulletin. STEERING: STEERING WHEEL/HANDLE BAR. CUSTOMERS MAY COMMENT ABOUT A SQUEAK NOISE COMING FROM THE STEERING COLUMN WHILE TURNING THE STEERING WHEEL. *TT |
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| 990232004A | 1999-08-26. Service bulletin. STEERING:HYDRAULIC POWER ASSIST:PUMP. SOME OWNERS / OPERATORS OF MEDIUM DUTY MODELS MAY COMMEND ABOUT WATER ENTERING THE POWER STEERING RESERVOIR AND CONTAMINATING THE POWER STEERING FLUID. *TT |
| 990232004 | 1999-08-06. Service bulletin. STEERING:HYDRAULIC POWER ASSIST:PUMP. SOME MEDIUM DUTY MODELS MAY HAVE WATER INTRUSION INTO THE POWER STEERING RESERVOIR. *TT |
| 990421003 | 1999-08-06. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). SOME OWNERS MAY COMMENT ABOUT A SLIPPING TYPE CONDITION AT THE FRONT WHEELS WHILE THE VEHICLE IS IN FOUR WHEEL DRIVE (4WD). *TT |
| 990849007 | 1999-08-06. Service bulletin. FUEL SYSTEM, OTHER. SOME VEHICLES BUILT WITHIN VIN BREAKPOINTS XJ105482 AND XJ510031 MAY EXHIBIT INACCURATE FUEL GUAGE READINGS, VEHICLE RUNS OUT OF FUEL, OR FUEL GAUGE REGISTERS FULL BUT MAY STILL ADD FUEL. *TT |
| 990844002 | 1999-08-04. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. SOME CUSTOMERS MAY COMMENT THAT THE CD CHANGER WILL NOT RELEASE WHEN DEPRESSING THE EJECT BUTTON. *TT |
| 866503A | 1999-03-08. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SUBJECT REGARDING OBD II DIAGNOSTIC TROUBLE CODE (DTC) P1404 (REFLASH VCM). *YC |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.