Service bulletins for the 1999 Chevrolet Silverado
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.
333 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
| 13-05-22-001B | 2018-05-21. Service bulletin. SERVICE BRAKES, HYDRAULIC. This informational bulletin is to inform dealers of an improved service strategy to aid in the replacement of hydraulic brake pipes, Customer Care and Aftersales (CCA) has released pre-formed and pre-flared hydraulic brake pipe kits. |
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| PI02003D | 2018-05-07. Service bulletin. SUSPENSION. This preliminary informational bulletin provides technicians a recommendation for when they are performing a front end alignment and find an alignment dowel pin missing . |
| 13-05-22-001A | 2018-05-07. Service bulletin. SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS. This informational bulletin is to inform dealers of an improved service strategy to aid in the replacement of hydraulic brake pipes, Customer Care and Aftersales (CCA) has released pre-formed and pre-flared hydraulic brake pipe kits. |
| 01-08-49-017B | 2018-04-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This technical bulletin provides a revision of 01-08-49-017A to add new pricing information and payment terms. |
| PIT3098F | 2018-03-12. Service bulletin. STRUCTURE. This Preliminary Information communication provides information to the technician about vehicles that have a lean to the left or right. Technician will need to measure fender wheel-opening heights, front and rear, to quantify vehicle lean. Fender wheel-opening heights are related to, but distinct from, trim height. The front wheel-opening height is known as P height, and the rear wheel-opening height is known as R height. Adjust and heights that are out of specification. After all adjustments are done, perform a front-end alignment and check headlight aim. |
| PIT3665F | 2018-02-21. Service bulletin. SERVICE BRAKES. This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn. |
| 06-03-09-004I | 2017-12-22. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This technical bulletin provides a procedure to apply grease to the leaf springs to correct a condition of a squeak noise from the metals making contact. |
| 13-05-22-001 | 2017-10-15. Service bulletin. SERVICE BRAKES. This informational bulletin provides information on brake line kits now available and how to service them on vehicle. |
| PIP5346 | 2017-08-15. Service bulletin. EQUIPMENT; POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES; POWER TRAIN. This Preliminary Information communication provides information to the technician about cooler line fittings that come with the 4T65E General Motors remanufactured transmission may not be the same as Original equipment manufacturer quick connect verses inverted flare. Dealer will need to contact General Motors Technical Assistance Center for further assistance. |
| PIC4696B | 2017-08-15. Service bulletin. EQUIPMENT:ELECTRICAL:ANTI-THEFT DEVICES. This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock. Technician will use the radio to get the scrambled code. Technician will need to contact the radio unlock center to retrieve the unlock code from the scrambled code. |
| PIC4696A | 2017-08-15. Service bulletin. EQUIPMENT:ELECTRICAL:ANTI-THEFT DEVICES; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock. Technician will use the radio to get the scrambled code. Technician will need to contact the radio unlock center to retrieve the unlock code from the scrambled code. |
| PIP5340 | 2017-08-15. Service bulletin. POWER TRAIN. This Preliminary Information communication provides information to the technician about vehicle that after a transmission or torque converter replacement the vehicle may have a harsh 1-2 upshift and the Check Engine Light or Service Engine Soon indicator is illuminated. If you have duplicated the customer?s concern and found Diagnostic Trouble Code P0894 or P1870 set in the Transmission Control Module please contact General Motors Technical Assistance Center. |
| PIT3227L | 2017-08-15. Service bulletin. STRUCTURE:BODY:TAILGATE:HINGE AND ATTACHMENTS. This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Please communicate to the customer this condition is a normal operating characteristic of their vehicle. |
| PIP4404F | 2017-08-15. Service bulletin. ENGINE. This Preliminary Information communication provides information to the technician vehicles with a slight rough idle. Technician should compare the concern with a like vehicle. If the concern is worse than a like vehicle, technician should follow published Service Information diagnosis and repair as necessary. |
| PIT3098E | 2017-08-15. Service bulletin. STRUCTURE:FRAME AND MEMBERS; SUSPENSION; EXTERIOR LIGHTING:HEADLIGHTS. This Preliminary Information communication provides information to the technician about vehicles that have a lean to the left or right. Technician will need to measure fender wheel-opening heights, front and rear, to quantify vehicle lean. Fender wheel-opening heights are related to, but distinct from, trim height. The front wheel-opening height is known as P height, and the rear wheel-opening height is known as R height. Adjust and heights that are out of specification. After all adjustments are done, perform a front-end alignment and check headlight aim. |
| PIP5280 | 2017-08-15. Service bulletin. FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP. This Preliminary Information communication provides information to the technician about vehicles that may have a buzz noise at idle after fuel pressure regulator replacement. Technician will need to gain access to the fuel pump. After gaining access to the fuel pump check the power and ground for voltage drop with the key in the off from the fuel pump to the battery post. Technician should also check the pin fit and terminal drag. Technician may replace the fuel pump connector with the updated part using the latest version service bulletin 04-06-04-088C. Technician should inspect voltage drop points at the UBEC, fuel pump relay, ground at the frame and the battery cable grounds. If excessive resistance is found at the crimps, replace the crimp n seal splice sleeves for the affected circuits. If the circuits do not have high resistance replace the regulator using part number 19236428. |
| PIT3227K | 2017-08-15. Service bulletin. STRUCTURE:BODY:TAILGATE. This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Please communicate to the customer this condition is a normal operating characteristic of their vehicle. |
| PIT3046G | 2017-08-15. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that have an inaccurate fuel gauge. Technician should drive the vehicle to duplicate the concern. The fuel gauge will have a tendency to falsely indicate a lower fuel level than what is actually present. The fuel gauge will take a few minutes to show the correct fuel level. On vehicles equipped with an automatic transmission no buffering takes place when the transmission is in park or neutral. This is a normal characteristic and no repairs are necessary. On vehicles equipped with a manual transmission the fuel gauge is buffered in all gears and neutral. There is a timer which starts to count up when the clutch is depressed. When this timer reaches its calibrated value the buffering stops. This is a normal characteristic and no repairs are necessary. |
| 13-05-22-001D | 2017-08-15. Service bulletin. SERVICE BRAKES, HYDRAULIC. This informational bulletin is to inform dealers of an improved service strategy to aid in the replacement of hydraulic brake pipes, Customer Care and Aftersales (CCA) has released pre-formed and pre-flared hydraulic brake pipe kits. |
| 13-05-22-001C | 2017-08-15. Service bulletin. SERVICE BRAKES, HYDRAULIC. This informational bulletin is to inform dealers of an improved service strategy to aid in the replacement of hydraulic brake pipes, Customer Care and Aftersales (CCA) has released pre-formed and pre-flared hydraulic brake pipe kits. |
| PI02003D | 2017-08-15. Service bulletin. SUSPENSION:FRONT. This preliminary informational bulletin provides technicians a recommendation for when they are performing a front end alignment and find an alignment dowel pin missing . |
| 06-03-09-004G | 2017-08-15. Service bulletin. SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY. This technical bulletin adds the 2016 model year to repair information for lubricating the rear leaf springs to correct a customer concern for a squeak noise from rear of vehicle. |
| PIP4723B | 2017-08-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and Vehicle Data Recorder tools, giving website address and step by step instructions to complete the update. |
| PIT3227M | 2017-08-15. Service bulletin. STRUCTURE:BODY:TAILGATE. This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Please communicate to the customer this condition is a normal operating characteristic of their vehicle. |
| PIT3665E | 2017-08-15. Service bulletin. SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES. This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.