Question about 2003 Chevrolet Cavalier

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I have an 03 cavalier trying to find thermostat houseing on a 2.2 eco engine

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It's located on the back side of the engine on the drivers side. It's below the exhaust manifold and is difficult to get to.
Removal of the exhaust manifold is required to gain access to it.

Posted on Jun 07, 2010

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Posted on Jan 02, 2017

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Where is thermostate on 1998 chevy cav


If u have a 2.2L, I have the same car and just replaced the thermostat and it took 10 times longer to find it than to replace it!!! There is a "Thermostat Housing" on the engine itself, front of motor, left side but IT DOESN'T GO THERE!!! There is a 2-Bold, 2 or 3 hose, bracket out in front, very accessible that it goes in!! I found mine just searching diagrams of chevy cavalier's and found it in a 03'!!! The place it goes comes off of the "Thermostat Housing" and runs right up front of the car, left side!!! Hope this helps some!!!!

Jun 27, 2014 | 1998 Chevrolet Cavalier

2 Answers

We're is the thermostat for my 03 CTS


CTS 2003-2005 Removal Procedure...
3.2L Engines
  1. Drain the cooling system.
  2. Remove the radiator inlet hose from the coolant outlet pipe
  3. Remove the bolt securing the oil level indicator tube, coolant outlet pipe and engine front lifting bracket from the cylinder head.
  4. Remove the coolant outlet pipe from the thermostat housing.
  5. Remove the O-ring seals from the coolant outlet pipe. Discard the O-rings.
  6. Remove the intake manifold.
  7. Remove the thermostat housing bolts (1) (image 1 attached)
  8. Remove the thermostat housing with thermostat (2), from the engine (image 1 attached).
  9. Remove and discard the seal ring.
  10. Remove the thermostat from the thermostat housing (image 2 attached).
To install:
  1. Install the thermostat into the thermostat housing.
  2. Install a new seal ring.
  3. Position the thermostat housing with thermostat, to the engine.
  4. Install the thermostat housing bolts and tighten to 15 ft. lbs. (20 Nm).
  5. Install the intake manifold.
  6. Lubricate 2 new O-ring seals with coolant.
  7. Install the new O-ring seals around the coolant outlet pipe grooves.
  8. Insert the coolant outlet pipe (3) into the thermostat housing.
  9. Install the bolt securing the oil level indicator tube, coolant outlet pipe and engine front lifting bracket to the cylinder head and tighten to 15 ft. lbs. (20 Nm).
  10. Connect the radiator inlet hose to the coolant outlet pipe.
  11. Fill the cooling system.
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Image 1

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Image 2

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Mar 01, 2012 | 2003 Cadillac CTS

1 Answer

How to replace thermostat on 1998 Chevy Cavalier 2.2


Pull lower hose off thermostat housing. Unbolt the 2 thermostat housing bolts(7mm or 8mm). The remove thermostat and replace with new one with new seal. When filling cooling system there is a bleeder plug on right side of engine. 7mm bolt needs to be removed and when coolant comes out replace plug.

Nov 28, 2010 | 1998 Chevrolet Cavalier

1 Answer

03 eco tech 2.2 multiple misfires


remove the plugs and inspect them for white deposit, means a bad head gasket, but run a compression check to be sure, if good then go it ignition and injection

May 28, 2010 | 2002 Chevrolet Cavalier Coupe

1 Answer

Replace thermostat on 97 cavalier?


GM Cavalier/Sunfire 1995-2000 Repair Guide

Thermostat - REMOVAL & INSTALLATION

2.2L Engine
(see Figures 1, 2, 3, 4, 5 and 6)


0900c1528003cd07.jpg Fig. 1: The thermostat is located in the lower radiator hose on the 2.2L engine


0900c1528003cd08.jpg Fig. 2: Remove the two retaining bolts for on the housing


0900c1528003cd09.jpg Fig. 3: Separate the housing halves to access the thermostat


0900c1528003cd0a.jpg Fig. 4: Pull the thermostat out to remove it from the housing


0900c1528003cd0b.jpg Fig. 5: The thermostat has an O-ring which goes around the center


0900c1528003cd0c.jpg Fig. 6: Thoroughly clean the mating surfaces of the thermostat housing
When adding coolant, it is important that you use GM Goodwrench DEX-COOL® (orange colored, silicate free) coolant meeting GM specifications. On these vehicles, if silicated coolant is added to the system, premature engine, heater core or radiator corrosion may result. In addition, the engine coolant will require change sooner; at 30,000 miles or 24 months.
  1. Disconnect the negative battery cable.
  2. Properly drain and recover the coolant until the level is below the thermostat.
  3. Unfasten the coolant outlet-to-inlet manifold attaching bolt and nut, then remove the outlet.
  4. Remove the thermostat. Clean the inlet manifold and outlet mating surfaces.

To install:
  1. Install a new O-ring onto the thermostat
  2. Place the thermostat in the inlet manifold.
  3. Attach the coolant outlet to the inlet manifold, using the bolt and nut. Tighten to 89 inch lbs. (10 Nm).
  4. Refill the engine cooling system.
  5. Connect the negative battery cable, then start the engine and check for coolant leaks.

Hope this helped (remember comment and rated this).

Apr 05, 2010 | 1997 Chevrolet Cavalier

1 Answer

My 1991 chevy cavalier VL/RS is over heating when I drive it just 2 miles. Nothing is leaking. What could be the problem?


Sounds like the easiest solution is the thermostat. Follow the upper radiator hose to the engine. Where it's clamped on is the thermostat housing. Remove that to reveal the thermostat.

Feb 26, 2010 | 1991 Chevrolet Cavalier

1 Answer

Finding thermostat housing for 2002 cavalier


for the 2.2L engine follow the lower radiator hose it will take you to the thermostat housing. the 2.3L 2.4L follow the coolant inlet pipe it will take you to thermostat hosing.you have to remove exhaust manifold heat shield to remove thermostat housing.

Dec 14, 2009 | 2002 Chevrolet Cavalier Coupe

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