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4 cylinder Saturn VUE 2003 Thermostat Housing--how to replace?

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6ya6ya
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Posted on Jan 02, 2017

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  • 62 Answers

SOURCE: Saturn VUE 2003 Thermostat Housing--how to replace?

I would recommend factory parts only for this application. Find a Saturn dealer and ask for the thermostat housing, and it should include the thermostat. It is an updated part due to the thermostat sticking issue. As far as replacing it, the thermostat is below the upper and lower intake manifold. You need to pull the upper manifold up out of the way. To do this remove the 6 T-30 bolts holding it in place. There is a connector they will be below the intake on your right, this needs to be unplugged before pulling the intake up too far. The lower intake may have internal or external torx bolts depending on the year and date produced. Remove all 12 bolts and pull the lower intake out and the thermostat will be on your left, between the cylinder heads near the timing belt cover. There is a solid tube that connects the upper radiator hose to the thermostat housing, it is attached to the engine by an external torx bolt near the oil dipstick tube. Remove the hose from the transfer tube, then unbolt the tube and twist back and forth to remove. DO NOT pry on the bolt flange of the tube this will break off and then you will need a new tube. Keep twisting and pulling and the tube will come out. Once the tube is out simply unbolt the thermostat housing and install the new one. A couple tips for this, one is don't drain all the coolant, just remove the upper radiator hose from the transfer tube and drain whatever comes out of there. Draining all the coolant will introduce alot of air into the cooling system which will be tough to remove. All the air has to be out or the engine will over heat. You will only need maybe half a gallon of coolant if this procedure is followed. I also usually over fill the coolant a little to allow for any air trapped in the system to escape with out lowering the coolant level far enough to turn the low coolant light on. The labor for this job is about 2.5 hours for a professional, if you haven't done much work before allow at least double that to complete this job. Hope this helps.

Posted on Dec 17, 2008

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emissionwiz
  • 76649 Answers

SOURCE: service engine soon light on 2003 Saturn Vue

Here is the definition of the code in GM manual:
P0128 - Coolant Thermostat Below Thermostat Regulating Temperature, this indicates the engine is running cold, u need a thermostat

Posted on Feb 12, 2009

  • 1608 Answers

SOURCE: fuel filter location on a 2006 saturn vue 4

The fuel filter is in the primary fuel tank on your vehicle.

Posted on Dec 17, 2009

  • 39 Answers

SOURCE: 2003 saturn vue trouble code p1599

P1599 IS A STALLING ISSUE COULD BE BAD GAS / BAD FUELPUMP DIRTY FUEL FILTER
DISCONNECT BATTERY AND SEE IF THE LIGHT COMES ON AGAIN
U2107 HAS SOMETHING TO DO WITH THE COMPUTER LOOSING POWER AT THE BODY MOUNTS CHECK CABLES AND GROUND STRAP

Posted on Mar 02, 2010

techbuster
  • 5081 Answers

SOURCE: How do I remove the ignition lock cylinder from a

REMOVAL

  1. Disable SIR system. (Refer to "SIR Disable/Enable Procedure (For Frontal and Curtain Inflators)".
  2. Disconnect negative battery cable.
  3. Remove lock cylinder bezel from steering column shroud by carefully prying with thin blade screwdriver.
  4. Remove shroud fasteners and remove steering column upper and lower shroud panels.
  5. Insert key into ignition lock cylinder and rotate to RUN position. Then rotate ignition cylinder back to ACC position.
  6. Depress locking button on side of ignition module assembly with a thin pick-type tool. Slide lock cylinder assembly from ignition module.
INSTALLATION

IMPORTANT: Actuator blade within ignition module housing must be in ACC position to install lock cylinder assembly. If rotated, replace it to ACC position, using needle nose pliers.

  1. Insert key into ignition lock cylinder and install into ignition module.
  2. Install steering column upper and lower shrouds and shroud fasteners.
  3. Install lock cylinder bezel.
  4. Connect negative battery cable.
  5. Enable the SIR system. (Refer to "SIR Disable/Enable Procedure (For Frontal and Curtain Inflators)".

Posted on Apr 07, 2010

Testimonial: "Great information! Thanks for the help. Now I can get the ignition rekeyed to match the doors after the dealer changed the switch."

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1 Answer

How do you replace thermostat on a 2008 Saturn Vue


Unbolt thernostat housing. Replace thermostat and gasket. Housing is located at the end of the top radiator hose. One end to radiator other end attatches to thermostat housing.

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Here's a link to the part.Click here to see how to replace.

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Have the coolant temperature sensor checked or replace.
That sensor is tied in with the cooling fans. When the coolant temp increases it turns on the fan.
It is usually located around the thermostat housing or screwed into the engine block with a 2 or 3 wire connector on it.

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Where is the thermostatsensor located on a 2003 vue


go to www.autozone.com check out their do it yourself section. it has plenty of pics, step by step info. Usually located near thermostat housing on motor

Mar 09, 2010 | 2003 Saturn VUE

2 Answers

I have a 2003 saturn vue 6 cylinder. my service engine soon light came on and my friend had a diagnostic tool and checked my computer and this code showed up, my friend reset it. it came back on after 12...


From the looks of it this is a very common problem with the 2002-2003 saturn vue. There was a Technical Service Bulletin from saturn about the problem, which means it happens alot but not quite enough to warrant a recall.

You need to replace your thermostat and it is a pain to do, the dealership will charge you about 2 hours flat rate to put it in.

Its not a huge deal to get it replaced right away, but the computer depends on the vehicle being a certain temperature and if it isn't then your performance/emissions will suffer.

Feb 24, 2009 | 2003 Saturn VUE

1 Answer

Service engine soon light on 2003 Saturn Vue


Here is the definition of the code in GM manual:
P0128 - Coolant Thermostat Below Thermostat Regulating Temperature, this indicates the engine is running cold, u need a thermostat

Feb 12, 2009 | 2003 Saturn VUE

1 Answer

Clutch fluid leaking from bottom of crankcase/bell housing


The slave cylinder will have to be replaced and air bled from the system to make this repair.
Good luck

Nov 24, 2008 | 2003 Saturn VUE

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