Question about 1993 Chevrolet Caprice

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I have a 1989 chevy caprice 350 4 bolt main. not the original motor. three core radiator new water pump no thermostat severe duty fan clutch with an electric fan an it still wants to run at 200 degrees i dont know what else could be wrong to make it do this the block has maybe 70,000 on it any help will be appreciated! thanks

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  • 398 Answers

Thats a good temp. Put a 190 thermostat in it an roll on.

Posted on Jul 03, 2009

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3 Answers

My 350 chevy engine has been bored 10 thousands and I have it in a1960 chevy pickupand it gets hot setting at an idle. Have put a new 3 core radiator on it and also have an electric fan


Dear Bobby,
Here are some ideas for you.
You might want to start by asking some mechanics if they think there is something wrong inside the engine causing your overheating.
If so, something may be failing, like bearings, or perhaps there is a tiny crack.
If they do not think so, here are a few other items.
Some people might try a heavy duty water pump.
Some try adding yet another radiator for more cooling. ( I have seen some mount another radiator in the truck bed, my next door neighbor did.)
Be sure your lower radiator hose is not sucking together.
Sometimes the coil spring inside the hose can slip or rust leaving a section of the hose to collapse..
You might not see this happening unless you looked for it.
Be sure your water pump/fan belt is not slipping.
Be sure your engine block is not rusty inside.
God bless your efforts.

Dec 20, 2016 | Cars & Trucks

1 Answer

How do I disengage TCC on 1989 Chevy Caprice?


What has happened more than likely, unfortunately, the internal piston seals on the servo controls have gotten hard and not usable after this period of time sitting still. The answer is to remove and replace all the seals inside the transmission. Sorry this is the answer, but that is from my 35+ years experience in trans. overhauls. You should not have to replace clutches and plates, also make sure there is no rust on the internal drums from sitting still.

Apr 15, 2014 | 1989 Chevrolet Caprice

1 Answer

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

1 Answer

I have a 1989 chevy truck, 350 motor, overheats when a/c is on. Run's at a normal temperature when a/c is off. Any suggestions?


Another possibility is a restriction in air flow thru the radiator. The condenser puts extra heat thru the radiator with the ac on.

Jun 26, 2012 | Cars & Trucks

1 Answer

2006 Chevy express van. Normally runs one mark below 1/2 mark. Lately ocassionally goes 1-2 marks above half way (usually when sitting idling). Have had coolant changed (Chevy dealer) and new radiator cap...


You've already eliminated #3 and #6, so keep checking...

Priority Action Part Type Cause
1 Inspect Radiator Cooling System Clogged.
2 Inspect Radiator Radiator Fins Obstructed.
3 Inspect Radiator Cap Worn or Damaged Radiator Cap.
4 Inspect Radiator Fan Motor Faulty Fan Motor.
5 Inspect Belt Incorrectly Routed, Adjusted (Tensioned), Missing or Worn Drive Belt(s).
6 Inspect Thermostat Faulty Thermostat.
7 Inspect Water Pump Worn, Cracked or Leaking Water Pump.
8 Inspect Radiator Fan Relay Intermittent Failure

Jul 16, 2011 | Chevrolet Express Cars & Trucks

1 Answer

95' ford econline 350 van replacing waterpump and clutch fan how to replace.


TO REPLACE WATER PUMP.REMOVE THE RADIATOR SHROUD HALVES.REMOVE FAN CLUTCH AND FAN.YOU NEED FAN CLUTCH WRENCH AND A FAN CLUTCH PULLEY HOLDER.YOU CAN RENT TOOLS AT AUTO ZONE OR BUY THEM AT A AUTO PARTS STORE.THE FAN CLUTCH BOLTS ARE LEFT HAND THREAD. REMOVE THEM BY TURNING CLOCKWISE.BEFORE INSTALLING NEW WATER PUMP COAT BOTH SIDES OF WATER PUMP GASKET WITH GASKET SEALER.TORQUE WATER PUMP BOLTS 18 FT LBS.

Mar 15, 2011 | 1995 Ford Econoline

1 Answer

How to replace thermostat on ford f350 turbo diesel


The F-350 designation refers to a 1-ton Ford F-Series pickup truck. The thermostat in your diesel-powered Ford closes off the flow of coolant when the engine is cold, forcing the engine to heat up faster. When the coolant has reached a certain temperature, the thermostat opens up and the coolant flows as normal. A malfunctioning thermostat in your diesel may cause your engine to overheat if the thermostat gets stuck in the closed position. Installation of a new thermostat will cure the problem and get you back on the road

  • Open the hood. Allow the motor to cool off so that you will not be scalded by hot coolant. Locate the thermostat housing by tracing the upper radiator hose from the driver's side of the radiator to its termination at the thermostat housing.
  • 2 Remove the cap from the white plastic coolant bottle at the front of the engine bay. Place a drain pan under the radiator drain petcock on the lower side of the radiator on the driver's side of the truck. Remove the petcock by rotating it counterclockwise with a 19mm wrench. Replace the petcock and tighten it in a clockwise direction once the coolant has fully drained.
  • 3 Remove the clamps from both ends of the upper radiator hose with a pair of pliers. Pull the hose from the radiator and from the thermostat housing, using a twisting motion. Set the hose and clamps aside.
  • 4 Spray penetrating fluid on the three mounting bolts on the thermostat housing and let it soak in for a few minutes. Remove the three bolts with an 8mm wrench turned counterclockwise. Remove the thermostat housing from the water pump and set it and the bolts aside.
  • 5 Remove the thermostat housing from the water pump to reveal the thermostat. Carefully pry the thermostat up with a flat-blade



  • screwdriver if necessary. Clean the mating surfaces on the thermostat housing and at the water pump with a rag.
  • 6 Place a new thermostat into the water pump with the pointed end facing upward. Install a new O-ring gasket into the groove on the thermostat housing mating surface of the water pump. Position the thermostat housing back onto the water pump and tighten the three bolts with a torque wrench to 15 foot-lbs.
  • 7 Push the upper radiator hose back onto the radiator inlet and the thermostat housing until it is fully seated at both ends. Replace the hose clamps in their original position with a pair of pliers. Refill the coolant that you drained from the radiator back into the white plastic coolant tank and replace the cap. Start the engine and let it warm up. Check for leaks and retighten your connections if necessary



  • Dec 08, 2010 | 2004 Ford F350

    2 Answers

    1990 chevy sub 350 eng runs hot only at idleing,,cools off once m


    Could be a fan clutch, or a partially blocked radiator...both will give you those symptoms.

    Jun 03, 2009 | 1989 Chevrolet C1500

    1 Answer

    Car is overheating


    2 Inspect Belt Incorrectly routed, adjusted, tensioned, missing, or worn water pump belt(s). grey_line.gif 3 Inspect Oil Pan Gasket - Performance Ruptured, cracked or leaking radiator hose. grey_line.gif 4 Inspect Radiator Cap Worn or damaged radiator cap grey_line.gif 5 Inspect Thermostat Thermostat stuck closed grey_line.gif 6 Inspect Fan Blade Broken, missing, or defective fan blade(s). grey_line.gif 8 Inspect Water Pump Damaged, worn or leaking water pump. grey_line.gif 9 Inspect Intake Manifold Plenum - Perform Leaking water pump gasket. grey_line.gif 10 Inspect Cooling Fan Control Faulty cooling fan control or circuit. grey_line.gif 11 Inspect Cooling Fan Switch - Radiator Faulty radiator cooling fan switch or circuit. grey_line.gif 12 Inspect Engine Temperature Sensor Faulty engine temperature sensor or circuit. grey_line.gif 13 Inspect Temperature Switch Damaged or faulty temperature switch or temperature switch circuit. grey_line.gif 14 Inspect Fan Clutch Worn, loose or faulty fan clutch. grey_line.gif 15 Inspect Ported Vacuum Switch Damaged, leaking, or faulty ported vacuum switch. grey_line.gif 16 Inspect Radiator Obstructed radiator core or radiator cooling fins. grey_line.gif 17 Inspect Head Gasket - Performance Head gasket leaking coolant into cylinders here is a list of things to check Shaun

    Nov 17, 2008 | 2000 Cadillac DeVille

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