Having problems with your 2003 Chevrolet Impala ?

2003 impala losing fluid in radiator and getiing hot with no leaks

\015 My 2003 impala's temp gauge is bouncing all over the place and using coolant like crazy.I do not see any visable leaks anywhere.I fill it up and is fine for about a day til it uses a certain amount of fluid then the temp gauge in the car starts bouncing around from Hot to halfway to hot and so on.any idea's thx!\015 Posted / edited by AnonymousUser on : 23-05-2022

Answers :

Depending on mileage, many of these motors develop a leak around the intake manifold gasket...the antifreeze leak usually burns off of the hot intake before you can spot it. Most motors are worth this repair...about $350. to $450. at your nearby shop. It is a good sign that the motor temperature stays cool when it has adequate coolant. You did not mention seeing any milky color on your oil check dipstick...that is a sign the head gasket is leaking...a much more costly repair...Your least costly repair could be a defective radiator cap...free pressure tests at you local parts store. Hope this helps.
I did not notice a conformation on the Milage or how Long this Has been going on Assuming ( I Know lol ) its a 3.4 or 3.8, I stopped keeping Track Years ago of whos running what in what, Just Fix'em lol, The Oil Pressure Gauge Bouncing, You Have Been Giving VERY Good Advice, The Latest Issue on The GM 3.8 with same Issue, Head Gasket Blew and as Far as I can Tell Oil Pressure Dropped at #6 for very Few seconds to Minutes causing a Dry Roller On Lifter to Freeze, in that short time frame, ate lifter Roller less then Half, Dead Cylinder, Power Loss, Head Gaskets, all gone in Seconds, If you Have 160,000 or Above, want to Keep the Car, I Advise, Head Gaskets, Heads Pressure Tested, Cam and Bearings Checked, Timing Chain, Gears, Tensioner, Check Oil Pump Ware, Yes I Know Suggesting almost Complete Over Haul, Im More Suggesting Inspection, Your chances of seeing upper End ware is going to surprise you, Hate to see you do it twice when it could just be the cost of gaskets to Look, Only A suggestion,
Repair Help & Product Troubleshooting for 2003 Chevrolet Impala

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