Question about 2003 Mitsubishi Eclipse Coupe

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Cant find the thermostat

I removed the hose and the 3 bolts but what do i do from there?

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If its not in the block look in the radiator good luck

Posted on Dec 21, 2008

  • Andrew Morrill Dec 21, 2008

    if its not in the block look in the radiator good luck



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Replacing thermostat

First drain radiator fluid, then follow the lower radiator hose from the radiator to the engine. At the end of the hose it will lead to a metal thermostat housing. It's held on by 3 bolts. Remove these 3 bolts and pull away thermostat housing with hose. Take notice of the way the thermostat is positioned before removing. Its best to do all this while laying down, looking up.

Aug 26, 2013 | 1993 Mazda 929

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How do you repair an thermostat on a 1998 lincoln continental

get a mechanic to do that for you in other to be on safer side.

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2001 A4 thermostat location

Hello! Ignore my request regarding the engine size, The thermostat is well hidden..Standard labor to replace is 2.0 hours...Thermostat is part # 06B-121-111-G....
Step 1: Drain coolant...

Remove bottom belly pan... Remove coolant reservior tank cap... Remove plastic clip holding coolant sensor in place at lower radiator hose/pipe... With bucket/catch pan underneath, remove sensor and let coolant drain...

Step 2: Remove upper radiator hose...

Remove the small hose connecting the coolant reservoir to the upper radiator hose... Then remove the larger hose from the hard pipe running along the intake and from the radiator... You'll need to pop up (but not off) the metal clip holding the hose to the radiator, then firmly pull back..

Step 3: Remove intake hose (throttle body to inter-cooler)...

Remove driver's side headlight (not necessary but makes it a lot easier). Loosen clamp at each end and remove hose...

Step 4: Remove throttle body...

Remove electrical connector and 4 hex bolts (5mm)...

Step 5: Loosen serpentine belt and slip off of alternator...

Use a box-end or adjustable wrench on tensioner, pull to the right... Carefully slip belt off alternator (towards front of car). Allow to hang loose below...

Step 6: Remove alternator bolts...

Remove 4 bolts holding alternator to bracket...

Step 8: Remove vertical support piece from intake manifold to block...

Remove the two bolts holding the support piece (6mm hex)...

Step 9: Remove bolt from metal hose on thermostat; remove bolt from top of oil cooler...

This will allow you to move the hard pipe away from thermostat... Then wiggle it free from the pipe afterwards...

Bolt holding the hard pipe on the right, two bolts holding the thermostat to the block on the left...

Step 10: Remove upper and lower hoses from t-stat. Remove electrical connector on back side...

Step 11: Remove 2 bolts holding thermostat to block, and remove thermostat...See photo below...Guru...Saailer


I’m happy to help further over the phone at

Oct 23, 2011 | 2001 Audi A4

2 Answers

Where is the thermostat located

Under the hood find radiator at front of the car on either left or right side of radiator is a fat hose that will be connected to the radiator. Follow that hose to the engine and it connects to the thermostat cover that is connected to the top of the engine with two bolts holding it on. Remove both bolts, Remove thermostat cover replace with new thermostat, Scrap off old gasket on both connecting sides place in new gasket (using a gasket sealer with the gasket wouldn't hurt to) replace both bolts only SNUG tight if using sealer let sit for a hour or two. your done!!

Jan 25, 2011 | 1998 Mercury Sable

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.

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.
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.

Mar 17, 2010 | 2004 GMC Envoy

2 Answers

How do I remove the thermostat from the 2004 GMC Envoy????

It's actually very simple. Follow the upper radiator hose to the top of the engine block. You will see a housing which the hose is attached to. Remove the hose from the housing. The housing will have 2 or 3 bolts holding it down. Remove the bolts and lift the housing off. The thermostat will be sitting there and you simply need to remove it.

Dec 31, 2009 | 2003 GMC Envoy

2 Answers

How do i change a thermostat??

buy the correct thermostat and thermostat gasket for your car, then locate the upper radiator hose. Where the upper hose connects to the engine there should be a two bolt hose connection/ thermostat housing ( could be 3 or 4 bolt, but most are 2) these bolts should be removed and then gently lift the hose and hose connection/thermostat housing exposing the old thermostat. note the position then replace the new thermostat just as the old was installed.

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1 Answer

How do I replace the thermostat on my 2002 Nissian Frontier

Follow the upper radiator hose to the engine. Remove the hose. There are 3 bolts holding the thermostat housing in place, remove them. Remove the thermostat and clean all surfaces. Install new thermostat. Apply a thin amount of gray silicone sealer to the thermostat housing. Install housing and retaining bolts. Install hose and secure. Add coolant and check for leaks.

Jul 13, 2009 | 2002 Nissan Frontier Crew Cab

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