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03-30-2009, 01:41 PM #1
- Join Date
- Mar 2009
Temp gauge not reading right 2003 silverado
got a 2003 Silverado with a 4.8L V8 and the temp gauge isnt reading right. the needle is burried and the truck is not over heating.
where on the engine is the water temp sending unit???
12-28-2009, 04:43 PM #2
- Join Date
- Nov 2008
- loudoun county va
did you ever get an answer? My 03 suburban (5.3L Z71) has 80k miles and the temp gauge
started acting up. 24 hours without driving on a 25deg F night and it read 220F upon startup then
proceeded to climb past 260. Fluids are good. No holes, no smells, suspecting sending unit or gauge itself.
Anyone have the diagram for a '03 5.3L with wiring?
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