Service bulletins for the 2001 Saturn LS
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.
191 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Cooling system are shown. Show all
| 3120 | 2004-11-03. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY. AUX COOLANT PUMP WILL NOT CONNECT TO REPLACEMENT RADIATOR. *SC |
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| 040604008 | 2004-04-23. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM; ENGINE AND ENGINE COOLING. SERVICE ENGINE SOON (SES) LAMP ILLUMINATED WITH DTC P0135 HO2S HEATER CIRCUIT PERFORMANCE BANK 1 SENSOR 1 AND/OR DTC P0155 HO2S HEATER PERFORMANCE BANK 2 SENSOR 1. *MR THIS BULLETIN REPLACES PREVIOUS 04-06-04-008. *EH |
| 02T86 | 2003-02-10. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. SERVICE INFORMATION REGARDING ELIMINATION OF AUXILIARY WATER PUMP AND INSTRUCTIONS TO INSTALL 2ND DESIGN HEATER INLET HOSE AND HEATER INLET ELBOW IN PLACE OF THE 1ST DESIGN WATER PUMP AND HEAT INLET HOSE. *TT |
| 02T37 | 2002-09-23. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. SUBJECT REGARDING SERVICE INFORMATION ON NEW OIL COOLER COVER SEALANT. *JG |
| 02T16 | 2002-07-12. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY. SERVICE INFORMATION REGARDING DESIGN CHANGE TO THERMOSTAT HOUSING, THERMOSTAT HOUSING BOLTS, AND THERMOSTAT HOUSING O-RING SEAL. *TT |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.