2000 Saturn LS2 V6-3.0L VIN R
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Engine - Intermittent Crank No Start/Multiple DTC's
BULLETIN NO: 00-T-28
ISSUE DATE: May, 2000
CATEGORY TYPE: Engine-10
CORPORATION NO: 00-06-03-002
Intermittent Crank No Start with DTC P1780 Set in ECM History and/or U2105
Set in TCM or BCM History (Replace Main V6 Relay in Underhood Fuse Block [UHFB])
All 2000 L-Series Sedans and Wagons built before VIN YY630765 equipped with V6 (RPO L81) engines
Some customers may comment the engine intermittently cranks but will not start and Service Engine Soon telltale is illuminated.
The Main V6 Relay in the underhood fuse block (UHFB) intermittently may not function as designed.
Replace the Main V6 Relay using the following procedure.
1. Disconnect negative battery cable.
2. Remove underhood fuse block (UHFB) cover.
3. Remove Main V6 Relay.
4. Install Main V6 Relay (P/N 12135170)
5. Install UHFB cover.
6. Connect negative battery cable.
Battery Terminal Bolt: 17 N.M (13 ft-lbs)
12135170 - Relay Asm-Acsry
Hope this helps.
Sunday, February 19th, 2006 AT 7:41 PM