Question about 1994 Chevrolet Caprice Classic

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I have a 94 chevy caprice w/350 and it keeps running hot...I've changed the thermostat, waterpump, and radiator and checked intanke gaskets to make sure they were right. I didn't have this issues with my old engine..the engine in it is from a wrecked caprice...I've checked the oil looking for water but oil is clean..

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I have a 1994 chevy caprice classic. Put brand new radiator, water pump and thermostat even put new fan motors but it keeps running hot and water in the collant jug keeps bubbling after ive been driving...


CHECK WHETHER THE COOLANT IS PROPERLY CIRCULATING.ALSO CHECK WHETHER THE RADIATER PIPES ARE NOT CLOGGED.ITS ALWAYS BETTER TO USE DISTILLED WATER RATHER THAN NORMAL WATER WHILE MIXING IT WITH COOLANT. ALSO CHECK THE TEMPERATURE SWITCH ATTACHED TO THE RADIATER. A FAULTY RADIATOR CAN STOP THE FANS FROM COOLING.

Jul 05, 2013 | Cars & Trucks

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My chevy impala keeps running hot eventhough the radiator and the fluid isn't getting hot. But after running for a short period of time or trying to drive for a short period the car runs hot and c


I would start by checking the fluid to make sure it's at the proper level, Then check to see if the thermostat is opening like it should. If you have good flow and you get heat inside the car but the car still overheats I think I'd be checking for blown head gaskets and head warp.

Jan 30, 2013 | Cars & Trucks

1 Answer

I have a 93 stealth keeps running hot my mac. Said it was waterpump so had him change it I changed redaitor . And thrumosat. All hoses I do have fans wire full blast. Is that bad just didn't want it to...


Good idea on the fans. Keep it that way till you fix the problem. Won't hurt anything, just may shorten fan life-but a new fan is much less expensive than a new engine.
Watch the temp gauge on your dash. The thermostat should open as it warms up, before the gauge gets up to half-way. You can tell when the thermostat starts to open-the upper radiator hose will start feeling hot, or at least start warming up. You will get a rough idea if the thermostat is working properly. By the time engine is at normal operating temperature, the thermostat should be fully open and the hose will feel quite warm. If the hose is still cool when engine is at operating temp., the thermostat may be opening too late, as in wrong thermostat. Not very likely, but always possible.
How did the shop check the head gaskets? Did they do a compression test? With new pump, new radiator, new hoses...should be good, but still runs hot? Any bubbling in your overflow tank? You may want to consider having a block test done, where they check for exhaust gases in the coolant. That would be a head gasket leak causing hot running condition. Maybe the shop checked the gaskets this way, or maybe they missed something? About the only other thing I could think of would be a coolant circulation problem inside the engine, a restriction or something, that an engine flush might clear up. A shop could do a reverse flush of the engine if there is a circulation problem.
Good luck, and keep us posted on your progress. Does your mechanic have any other suggestions?

May 22, 2012 | 1993 Dodge Stealth

2 Answers

1999 chevy tahoe 5.7L vortec 350 new thermostat,new radiator,new waterpump.still overheating?


REPLACE RADIATOR PRESSURE CAP AND CHECK THE COOLING FAN CLUTCH.WHEN YOUR ENGINE HOT WHEN YOU TRY TURNING CLUTCH FAN WITH YOUR HAND WHEN ENGINE IS HOT.THERE SHOULD BE RESISTANCE IN THE FAN.IF CLUTCH FAN SPINS FREELY WHILE ENGINE HOT.YOU NEED TO REMOVE COOLING FAN TO REPLACE CLUTCH.

Feb 23, 2011 | Chevrolet Tahoe Cars & Trucks

2 Answers

My truck keeps over heating and i was wondering if there is a thermostat on a 91 4x4 pick up v6 and if not what could be the problem


yes, there is a thermostat. That's a good place to start.

Please see my tip at http://www.fixya.com/cars/r5929960-s_thermostat . These are generic instructions. If you get stuck or need specific instructions for your car, please get back to me.


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Dec 12, 2010 | 1991 Toyota Pickup

1 Answer

Keeps overheating..got new thermostat..head gaskets..water pump & radiator are fine.


a couple of questions 1)is oil milkie 2) is it running hot an pushing water out of overflow 3)how hot is it running

Nov 02, 2010 | 1995 Chevrolet Caprice Classic

1 Answer

My 94 corolla keeps running hot and i just changed the thermostat and put more coolant in the radiator


you may have an air lock in the water jacket and it needs the air blead out if you blead it and its still running hot the head gasket may be leaking?

Apr 27, 2010 | 1994 Toyota Corolla

2 Answers

Water overheating on a year 2000 seat toledo 1.9tdi se, is the water pump easy to replace??


Water pumps are not normally what causes overheating, in fact that would be my last item to change. The only way that a water pump fill cause overheating is if the impeller has come off the shaft or completely worn down. I would first start with the thermostat. If this dosn't fix it, then I would be looking at the condition of the radiator I.E. is it plugged, are the fins up front full of bugs and debris ect. Then I would also check the cooling fan operation, does it come on when engine is hot? also does it come on with the A.C. operation-it should. Then last of all the water pump- and no its not easy on this one, due to lack of clearance.

Sep 19, 2009 | 2001 Volkswagen Golf

1 Answer

1994 chevy caprice classic water pump pin problem


Strongly recomend change the whole water pmp. The rest os the components must be corroed too

Jan 07, 2009 | 1994 Chevrolet Caprice Classic

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