Question about 1997 Chevrolet Cavalier

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How do you install a thermostat on a 2.4L grand am 2000 4cyl?

The rubber seal that comes with it that goes inside the engine will not allow the thermostat to fit if you put it on the thermostat. if you don't put it on the thermostat the rubber seal falls in to the engine because there's nothing to hold it in place. Please use this email address because minesdown right now.

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This was not a 1997 Cavalier it was a 2000 pontiac grand am. did not put a thermostat in it . I put it back the way it was.

Posted on Nov 26, 2008


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Need to replace thermostat

Thermostats on I-4 and I-5 Colorado's are very straight forward, the thermostat and the housing are a single unit. Thermostat housing is sealed by a rubber seal and is held on to block by two bolts. Procedure is as follows

1.drain cold coolant by removing radiator cap and using radiator drain petcock.

2. disconnect top hose from thermostat

3. unbolt thermostat housing.

4. install new housing, be careful to not overtorque, block is aluminum

5. connect top hose and close drain petcock

6. refill with new coolant and close radiator cap

7. start engine and check for leaks.

8. if no leaks are detected, allow engine to reach operating temperature. shutdown and allow to cool completely, verify that coolant level is correct.

Oct 27, 2012 | 2006 Chevrolet Colorado

2 Answers

I have a 1995 jeep cherokee straight six or 4.0 liter where is the radiator thermosta soo i can replace it

Hi, It is actually called an engine thermostat, as it regulates coolant flow through the engine. If you follow the top large hose coming off the radiator to where it connects onto the engine, you will find a housing there connected to the engine with 2 bolts. There may be another hose connected to this housing also. You will lose a bit of coolant when doing this, so use a bunch of rags under the work area and a catch pan beneath the vehicle.
Parts needed: Thermostat, gasket, tube of black RTV sealant, new clamps for hoses if they look rusty or do not have good resistance on removal. (for factory spring type clamps)

Remove hoses from housing and bend back and tape back out of the way (use some cable ties if you wish) to keep coolant from running everywhere and so they are out of your work area. Remove 2 bolts holding the thermostat housing to engine. Gently tap housing with rubber hammer to break the gasket seal on housing. Once housing is off, you will find the thermostat underneath. Remove thermostat from engine. Clean the housing and engine mating sufaces of all traces of gasket material. Surfaces must be clean and dry before re-assembly. Use a rag to soak some coolant out of engine side hole to facilitate cleanup. Scrape off gasket material and use brake cleaner to wipe off residue and dry with clean shop rag. There are 2 types of thermostats for the jeeps, one has a rubber seal around the thermostat, and requires no other gasket, the other has no seal and requires a separate paper type gasket to be sealed to the mating surfaces. I believe the straight 6 has the paper type. Install thermostat with spring end into engine cavity. Put a thin even coating of black RTV sealant on the engine mating surface. Place gasket on RTV coated surface, aligning the bolts holes to holes in gasket. Apply thin even coat of black RTV sealant to thermostat housing mating surface. Put a small amount of RTV sealant on threads of bolts (clean them first) coating the entire thread. Put housing onto engine and install bolts finger tight - firmly seated. Allow RTV to cure for 5 minutes. Some RTV will squish out, thats OK, but use the RTV as a THIN EVEN coat, as you dont want a bunch of excess sealant in the thermostat cavity. Torque bolts to 16-20 ft. lbs. or a good wrist tightening. DO NOT overtorque, as you will either crack the housing, or cause warpage making your gasket leak. Re-install hoses and tighten clamps. If spring type clamps were on the hoses, replace the small clamp with a band type clamp. If large clamp installs tightly, it can be reused. If it was rusty and goes on rather easily/weakly - replace with a band type clamp. Refill - check coolant level, add as needed. Start engine, allow to reach operating temperature and check for leaks. Done!
Please rate this answer! Thanks, Mike

Jun 20, 2011 | 1995 Jeep Grand Cherokee

2 Answers

Where Is thermostat located on 1994 escort 1.9 motor

On almost all cars if you follow the upper radiator hose to where it goes into the motor, that is where the termostate is.

Jan 15, 2011 | Ford Escort Cars & Trucks

2 Answers

How do I install a thermostat on a 1999 jeep grand cherokee v8 4.7 engine


To install a thermostat on Your 1999 grand cherokee jeep. You will be needing these instruments, Container, Clamp tool or vise-grip pliers, Thermostat and gasket, 10mm socket or wrench, Razor blade, Flathead screwdriver (if necessary). Then You carefully follow the steps below:
  1. Open drain **** on the radiator to drain the coolant from your Jeep Grand Cherokee. This drain **** is located on the lower right side facing the rear of your Cherokee. Use a seal able container and reuse the coolant if it is relatively new and clean.
  2. Follow the upper radiator hose to the point where it meets the thermostat housing. The thermostat is located inside the housing. Use a clamp tool or vise-grip pliers to loosen the clamp holding the hose to the housing. Work the end of the radiator hose free of the thermostat housing.
  3. Remove two bolts holding on the thermostat housing cover. Pull off the cover. Take note of the position of the old thermostat. Remove and install the new thermostat in exactly the same position.
  4. Scrape off residue of the old thermostat gasket from the inside of the thermostat housing cover using a razor blade. Avoid getting any debris inside the thermostat housing.
  5. Install the new gasket. Reattach the thermostat housing cover and radiator hose. Start your Jeep Cherokee and run the heater on high. Allow the engine to warm up. Check for leaks.
Those are the steps to follow to install your thermostat.
Hope this was helpful. Thank You for using fixya!!!

Jan 12, 2011 | 1999 Jeep Grand Cherokee

2 Answers

How do i change a thermostat on a 1996 mercury sable and whre is it located

Thermostat-follow the upper radiator thick hose to the thermostatic housing. Removal & Installation 3.0L (2V) To Remove:
  1. Before servicing the vehicle refer to the precautions in the beginning of this section.
  2. Drain the engine cooling system into a suitable container.
  3. Remove the three thermostat housing bolts.
  4. Remove the thermostat O-ring seal.
  5. Inspect and clean the sealing surfaces.
To Install:
  1. Install thermostat and o-ring seal.
  2. Install thermostat housing bolts; torque to 9 lb-ft (12 Nm).
  3. Refill cooling system.
  4. Warm-up vehicle and check for leaks.
  5. Top off cooling system.
3.0L (4V) To Remove:
  1. Drain the engine cooling system.
  2. Disconnect the lower radiator hose from the water inlet adapter.
  3. Remove the bolts, the water outlet adapter and thermostat. Discard the O-ring seal.
To Install:
  1. Clean the sealing surfaces.
  2. Install the thermostat with a new gasket. Tighten the bolts to 89 in-lb (10 Nm).
  3. Refill the cooling system.
  4. Warm-up the vehicle and check for leaks.
  5. Top off the cooling system.
3.4L (SHO) To Remove:
  1. Drain the engine cooling system.
  2. Remove battery.
  3. Remove power distribution box.
  4. Remove battery tray.
  5. Disconnect upper radiator hose and place it out of the way.
  6. Disconnect the lower radiator hose from the water inlet connection.
  7. Remove the two mounting bolts and remove the water inlet connection.
  8. Remove the O-ring seal and thermostat from the water pump.
  9. Inspect O-ring for damage and replace if necessary.
To Install:
  1. If necessary, install a new O-ring on the inlet connection.
  2. Install the thermostat in the water pump and install the inlet housing. Tighten the bolts to 71-106 lb-in (8-12 Nm).
  3. Connect the lower radiator hose to the water inlet connection.
  4. Install the upper radiator hose.
  5. Install battery tray.
  6. Install the power distribution box.
  7. Install the battery.
  8. Refill the engine with coolant.
  9. Start the engine and allow the engine to warm up so that the water thermostat opens. Check for leaks.
  10. Stop the engine. Allow the engine to cool and top off degas bottle as required to maintain minimum cold fill level.
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Aug 03, 2010 | 1996 Mercury Sable

1 Answer

How does the thermostat go in. Tip up or down?


WARNING Most cooling system hoses use "constant tension" hose clamps. When removing or installing, use a tool designed for servicing this type of clamp. The clamps are stamped with a letter or number on the tongue. If replacement is necessary, use only an OEM clamp with a matching ID.
CAUTION Always wear safety glasses when servicing contact tension clamps.
  1. Locate the thermostat. This is located in a housing on the engine side of the upper radiator hose for all engines except the 4.7L. On the 4.7L engine, the thermostat is located on the engine side of the lower radiator hose.
  2. Disconnect the negative battery cable (both batteries on diesels).
  3. Drain the engine coolant from the block until the level is below the thermostat.
  4. On V-10 engines, remove the support rod.
  5. On most V-6 and V-8 models, the alternator must be removed or repositioned for access to the thermostat housing.
  6. Remove the radiator hose from the thermostat housing.
  7. Disconnect any sensors fitted to the thermostat housing.
  8. Remove the retaining bolts from the thermostat housing. Note the lengths and location of each bolt for ease of installation.
  9. Remove the thermostat housing, thermostat, and gasket, if fitted.
  10. Note the relative positions of all components, especially gaskets and seals. Note the orientation of the thermostat in the housing.
To install:
  1. Be sure the new thermostat is the correct one for your engine.
  2. On V-10 engines, note that there is a rubber lip-type seal with a metal shoulder pressed into the intake manifold beneath the thermostat. The thermostat should fit snugly in the seal.
  3. Clean the gasket or seal mating surfaces.
  4. Paper gaskets must be replaced.
  5. Install the thermostat, gasket or seals.
  6. Install the thermostat housing on the engine.
NOTE The thermostat housing may have the word FRONT on it (3.9L, 5.2L, 5.9L); this goes towards the front of the vehicle.
  1. Be sure all components are properly seated before tightening.
  2. Tighten the housing bolts to 18 ft. lbs. (24 Nm). Fasteners should be tightened evenly to avoid leaks or damage.
  3. Reinstall the radiator hose onto the housing.
NOTE Ensure that you have secured the system drain plug(s) before refilling with coolant.
  1. Refill the radiator with a proper coolant mixture.
  2. Connect the negative battery cable(s).
  3. Start the engine and bleed the cooling system. Refer to "GENERAL INFORMATION AND MAINTENANCE."
  4. Ensure that the thermostat is operational (by checking the upper radiator hose for warmth), and that there are no leaks.


Fig. Thermostat assembly (2.5L). Note bolt lengths and locations


Fig. On 3.9L, 5.2L, and 5.9L (gas) engines, the gasket goes above the thermostat


Fig. On the 4.7L engine, the thermostat is at the bottom of the engine


Fig. V-10 thermostat assembly


Fig. Late model diesel thermostat assembly-2000 models


Fig. Removing the thermostat from the manifold-typical

Hope helps (remember comment adn rated this).

Jun 24, 2010 | 2000 Dodge Durango

1 Answer

My 01 grand vitara's temp has shot up to almost overheating on 15 min ride, especially when at idle in park. I think it is the thermostat, how do I replace it?

there is a hose that goes from the top of the engine to the radiator there should be 3 bolts holding a metal piece on and a seal on the inside just pull it off and it will come out

Apr 30, 2010 | 2001 Suzuki Grand Vitara

5 Answers

Where exactly is the thermostat located on 1999 chevy blazer 4.3 vortec

follow your upper radiator hose to the motor. where it goes in is the thermostate housing, 2 bolts and it comes off

Nov 03, 2009 | 1999 Chevrolet Blazer

2 Answers

94 grand am over heats

it could be the cooling fan. Or it can also be the TCS temperature control sensor. when you have an opportunity have it scanned for a code at any autozone or other parts store. They do it for free at Autozone.

Dec 05, 2008 | 1994 Pontiac Grand Am

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