Service bulletin 990308002A
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.
| Type | Service bulletin |
|---|---|
| NHTSA id | 611289 |
| Published by NHTSA | 2000-06-01 |
| Manufacturer's number | 990308002A |
| Manufacturer's date | 2004-05-01 |
| Replaces | 990308002B |
| NHTSA component | SUSPENSION:FRONT |
NHTSA's summary
FRONT SUSPENSION COIL SPRING NOISE. *TT
The document
No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.
Components
Suspension
| CHEVROLET SILVERADO | 1999, 2000, 2001, 2002, 2003, 2004 |
|---|---|
| GMC SIERRA | 1999, 2000, 2001, 2002, 2003, 2004 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 2001100 | 2001-04-24. Suspension |
|---|
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
| 03-00-91-001I | 2023-11-22. Service bulletin. This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns. |
|---|---|
| 150089004B | 2021-04-16. Service bulletin. Information Regarding the Differences Between Fluid Leakage and Seepage This bulletin is intended to help identify the differences between what is considered a fluid leak and what is considered seepage. Improper diagnosis may lead to unnecessary component replacement. Use the following information to determine if the condition is normal acceptable seepage or a defective component |
| 060309004N | 2019-11-25. Service bulletin. 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. |
| 060309004J | 2019-05-13. Service bulletin. 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. |
| PIT3098G | 2019-04-08. Service bulletin. 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. |
| 06-03-09-004F | 2018-12-10. Service bulletin. This technical bulletin provides a procedure to add a lubricant to the rear leaf springs to correct the customers concern of a squeaking noise from the rear suspension. |
| 06-03-09-004F | 2018-06-25. Service bulletin. This technical bulletin provides a procedure to add a lubricant to the rear leaf springs to correct the customers concern of a squeaking noise from the rear suspension. |
| 060309004K | 2018-06-04. Service bulletin. 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. |
| 03-00-91-001G | 2018-06-04. Service bulletin. This informational bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure, when diagnosing vibration concerns. |
| 06-03-09-004E | 2018-06-04. Service bulletin. This informational bulletin provides information for Squeak Noise from Rear of Vehicle Condition. |