Question about 2003 GMC Envoy Xl
Rain sensor is mouted next to inside rear view mirror assembly on the windshield. The retaining ring is permanantly mounted to windshield. Disconnect connector and pull down on sensor. Do not touch the surface of the sensor.
Posted on Oct 03, 2009
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Posted on Jan 02, 2017
The engine coolant temperature sensor(ect)is located
on the front of the engine, just above the alternator.
Hope this helps.
Posted on Mar 14, 2010
heres a diagram to show you where the coolant temp sensor is located, its behind the alternator on the left side (driverside),the sensor just unplug the connector and then unscrew it and out it comes.
Posted on Jun 21, 2010
Posted on Jul 08, 2010
A "V" configuration engine, (8 or 6), uses two upper oxygen sensors and either 1 or 2 lower oxygen sensors.
If the vehicle has dual exhaust; dual all the way from the front to the end of the tailpipe, the vehicle will also have two LOWER sensors. But if the two exhaust manifolds converge into one tailpipe, you likely only have 1 lower oxygen sensor.
Check the electrical connections on the new oxygen sensors, and make certain that you have replaced your old sensors with the right type.
Posted on Aug 30, 2010
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