engine temp. veries by about 30 degrees.

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Chevrolet Forum >> Chevy Trucks, Vans & SUV's >> Silverado >> engine temp. veries by about 30 degrees.

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engine temp. veries by about 30 degrees. - 1/13/2007 11:17:04 AM    v2sk8r   Posts: 3 Joined: 1/13/2007 Status: offline Hi, I have a 1996 Dually Crew Cab with a 7.4 V8. The temp seams to be running high but doesn't over heat. It runs between about 200 to 230 degrees or a little higher if I'm sitting still. What is the normal running temp. and what do you think I need to do. The fluid level was a little low and added about a quart. When I stepped on the gas I did hear some noise in the heater under the passanger side floor. Can you give me some help? Thanks, Post #: 1

RE: engine temp. veries by about 30 degrees. - 1/14/2007 10:25:44 AM    opie4487   Posts: 35 Joined: 12/6/2006 Status: offline I think you need a new thermostat...My 90 1500 and 02 2500hd both stay around 190-195... Does the noise sound like water running through it? (in reply to v2sk8r) Post #: 2

RE: engine temp. veries by about 30 degrees. - 1/14/2007 4:46:13 PM    golfer   Posts: 610 Joined: 10/8/2006 Status: offline Sounds like you have an air lock in the cooling system. (in reply to opie4487) Post #: 3

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