Question about 1996 Chevrolet Caprice Classic

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I have a 96 chevy caprice 5.7 engine. I replaced the thermostat the temperture control switch the lower radiator hose and the water pump. I started th engine and poured in one gallon of antifreeze. When I poured in the second gallon it all ran out from under the car around where the water pump is located. What could be causing the temperature gauge to go up and The car to overheat???? Plz help!!!

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  • afattah23 Nov 21, 2010

    This is my post. I changed the water pump already. Still getting same problem. I was told it was the coolant fan clutch, radiator or Coolant sensors. I want to be sure.

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  • 24 Answers

Bad water pump. The seals are more than likely shot. Usually at higher rpm the temp goes down and at idle it would overheat. Had a friend with the same problem.

Posted on Nov 15, 2010

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Waterpump 2002 ford turaus 3.0 durtec


3.0L Engine

VIN S Engine
  1. Before servicing the vehicle, refer to the precautions section.
  2. Drain the cooling system.
  3. Remove or disconnect the following:
  • Splash shield
  • Lower heater hose
  • Radiator lower tube bolt
  • Radiator upper front tube bolt
  • Air cleaner assembly
  • Battery and tray
  • Water pump belt
  • Upper radiator hose
  • Engine vent hose
  • Transaxle 10 pin connector
  • Radiator bypass hose assembly
  • Thermostat housing
  • A/C compressor brace, if equipped
  • Water pump mounting nuts
  • Connector hose
  • Water pump




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To install:
  1. Install or connect the following:
  • Water pump
  • Connector hose
  • Water pump mounting nuts and tighten them to 15-22 ft. lbs. (20-30 Nm)
  • A/C compressor brace, if equipped, and tighten the nuts to 15-22 ft. lbs. (20-30 Nm)
  • Thermostat housing
  • Radiator bypass hose assembly
  • Transaxle 10 pin connector
  • Engine vent hose
  • Upper radiator hose
  • Water pump belt
  • Battery and tray
  • Air cleaner assembly
  • Radiator upper front tube bolt
  • Radiator lower tube bolt
  • Lower heater hose
  • Splash shield
2. Fill the cooling system.
3. Start the engine and check for leaks.

Dec 06, 2015 | 2002 Ford Taurus

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My chevy Venture van still overheating after radiator replaced, temp gauge replaced and fans fixed. WHY?


You may have air trapped in the cooling system. This will cause overheating. When you fill the system, there is a small brass air purge valve above the coolant pump and another on the thermostat housing. These need to be loosened and trapped air released when filling the cooling system.

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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

2 Answers

Engine Diagrams


Hello. Here a non-photo diagram. Hope this helps!!!

The thermostat is located on the side of the water pump, the water pump is located just above the a/c compressor, the thermostat is fed coolant from the radiators lower radiator hose.
Thermostat :
1. drain coolant and tighten drain plug ( easier method : remove radiator cap, get big drain pan, place drain pan under lower radiator hose to radiator connection, remove clamp, slowly remove hose, allow coolant to drain into pan, now is a good time to remove radiator hose and clamp from thermostat housing )
2. remove thermostat cover / cap ( easiest to get at this when front of car is supported by jack stands and right hand side lower cover is removed ).
3. thermostat cap is held on by 3 bolts / remove thermostat.

You will notice that the thermostat's air bleed hole is pointing up and lines up with notch in water pump housing,,

ATTENTION :failure to install new thermostat in the correct location will cause engine to overheat.

1. install new thermostat to water pump, make sure air bleed hole lines up with notch, install and tighten bolts, install a new lower radiator hose, fill cooling system.

thermostat # 17670-77E00
lower radiator hose #17854-65G20
hose clamp #09401-36403
upper radiator hose # 17852-65G20

Suzuki factory manual

Oct 21, 2013 | Cars & Trucks

1 Answer

2006 CHEVY COBALT OVERHEATING HAS NEW RADIATOR WATER PUMP AND THERMOSTAT


That is normal, it will not get hot without the thermostat. The water cools in the radiator and falls to the bottom and the bottom hose is cold. This is what cools the engine and stops it from overheating.

Oct 26, 2011 | Cars & Trucks

1 Answer

Want to know how to change a thermostat on my 2004


It Depends on which engine you have, this is how it goes for both. I use a little RTV with a new ring as well.

THERMOSTAT REPLACEMENT (4.2L ENGINE)
Removal Procedure
1. Remove the necessary coolant from the radiator.
2. Remove the generator.
3. Loosen the outlet hose clamp at the thermostat housing. Remove the outlet hose from the thermostat housing.
4. Remove the thermostat housing bolts.
5. Remove the thermostat housing from the engine block.
6. Clean all of the surfaces of the thermostat housing.
7. Clean the sealing surface of the engine block.
Installation Procedure
1. Install the thermostat housing to the engine block.
2. Install the thermostat housing bolts.
Tighten: Tighten the bolts to 10 N.m (89 lb in).
3. Lubricate the inner diameter of the radiator hose with engine coolant.
4. Install the outlet hose to the thermostat housing. Secure the hose with the clamp.
5. Install the generator.
6. Fill the cooling system with specified coolant and concentration. Follow the correct cooling systen bleed procedure for your engine.
7. Inspect all sealing surfaces for leaks after starting the engine.
THERMOSTAT REPLACEMENT (5.3L ENGINE)
1. Drain Radiator and remove the radiator outlet hose.
2. Remove the water pump inlet bolts.
3. Remove the water pump inlet and thermostat from the water pump.
Installation Procedure
IMPORTANT: The thermostat is not serviceable separately. The water pump inlet and thermostat must be replaced as an assembly.
1. Install the thermostat and thermostat housing to the water pump.
2. Install the thermostat housing bolts.15 N.m
3. Install the radiator outlet hose.
4. Fill the cooling system with specified coolant and concentration. Follow the correct cooling systen bleed procedure for your engine.
5. Inspect all sealing surfaces for leaks after starting the engine.

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2 Answers

Where is the thermostat located in my 1994 caprice classic?


To locate the thermostat follow the upper radiator hose to the point where it enters the engine. The thermostat is located below the coolant inlet that the hose is connected to.

To change it:

You're going to lose some coolant, so have a bucket or other container, and some fresh coolant ready. Follow the upper radiator hose to the point where it's connected to the engine. The hose is clamped to a metal housing (water inlet) which is bolted to the engine. Remove the bolts (not the hose) and lift the housing to expose the thermostat (may require a little prying with a screwdriver or similar tool). Note how the old thermostat is fitted (which end is up), lift it out of the engine, and then remove all traces of gasket from the housing and the engine. Install the new thermostat and gasket, replace the bolts, add coolant as necessary, and you're done.

Before you start the job though, check the condition of your upper and lower radiator hoses. If they show any signs of wear, fraying, or fatigue, you might as well replace them too.

BillB

Jan 18, 2010 | 1994 Chevrolet Caprice Classic

2 Answers

Car till goetting to hot


you might need to add water to your radiator

Jun 03, 2009 | 1993 Chevrolet Caprice

1 Answer

1998 vw beetle over heating


that will the next thing.
make sure the water is restricted at any point, from the lower hose to the engine back to the upper hose and back to the radiator.
the best way to check that out is to flash the radiator. you can see the water change color and feel the engine temperture.

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