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What's the cost to replace an 08 Cadillac thermostat? And how much time would it take if I did it myself?

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Posted on Apr 04, 2015

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About $15.00 and an half hour labor time

Posted on Apr 04, 2015


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How to clean a throttle body on a 08 Cadillac sts

Hi,some people take it apart and wash with a brake cleaner and then use comprest air to make shore the jets are free from being blocked.(If you do use a clouth to dry it make shore its lint free)
I myself just use petrol and a toothbrush as the petrol just evaperates to leave it nice and dry.
hope this was some help.

Apr 17, 2015 | Cadillac Cars & Trucks

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Radio will not go off after shutting off ignition . This started after new battery replacement in 08 Cadillac CTS. The radio used to go off when you opend the drivers door. Now will not go off. How to fix?

Who did the battery replacement? I'd take it back ask them to help you figure it out. Could be there is a security issue so the Radio stays on as an alarm. Many radios have a security code that needs to be re entered any time a battery is changed or other wiring is changed. or Fuses blow. Check Owners manual for troubleshooting and details about radio security code. Dealer may have code tied to Vin number.

Feb 28, 2015 | Cadillac Cars & Trucks

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I drive a 08 silverado and the egine hot ac turned off but the engine was not overheating

Mine did the same thing and would clear up after a day or two. My GM dealer said it may be the thermostat and would cost $150.00 plus, I bought the stat myself, VERY simple to replace your self, part is only $23.00, been 10,000 miles and problem hasn't happened again.

Oct 21, 2010 | 2008 Chevrolet Silverado 1500 2WD

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How much des i cost to fix a theremastat on a 2002 cadillac dhs? Is this something I can fix myself? Sean

yes, you can do it with minimal tools. First though, please see my tip at . These are generic instructions. If you get stuck or need specific instructions for your car, please get back to me with model, year and engine info.

Here is the procedure for your car:
  1. Disconnect the negative battery cable.
  2. Drain the coolant.
  3. Remove the air intake duct.
  4. Disconnect the radiator hose
  5. Remove the thermostat housing.
  6. Remove the thermostat.
  7. Clean all sealing surfaces.

Fig. Thermostat and housing-typical

To install:

  1. Install the thermostat.
  2. Install the thermostat housing using a new gasket.
  3. Install the thermostat housing bolts and tighten as follows:
    1. 1999 models: 15 ft. lbs. (20 Nm)
    2. 2000-05 models: 89 inch lbs. (10 Nm).

  4. Connect the radiator hose.
  5. Install the air intake duct.
  6. Refill the coolant.
  7. Connect the negative battery cable.
  8. Start the engine and check for leaks.

Oct 08, 2010 | 2002 Cadillac Deville

1 Answer


This can be a very difficult repair. If you pay someone to do it, the labor costs are very high due to the amount of labor necessary to even access the heater core. I cannot tell you step by step how to do this. I can however tell you that you will have to remove enough of the dash to allow access to the core. Go slow, be careful and do not break any of the parts. Use common sense to figure out how the parts come apart. Look for screws and clips. Some plastic parts just snap together. Take digital photos as you go along to help you in reassembly. It is just a matter of getting to the core and removing it. Of course you will need to drain and flush the cooling system, replace the thermostat, and add a fresh 50/50 mix of DexCool & Distilled water after installing the new core. Be sure and set the heat to high when pouring in the fresh coolant. Bleed all air from the system.

Sep 09, 2009 | 1994 Cadillac DeVille

2 Answers

I have to replace thermostat and the PCM

Thats WAYYYYYYY too much money!!!!! I changed the PCM and thermostat on my Impala myself for about $125. Even if you had someone install it for you it shouldn't be much more than 2 hours labor. I'm not sure what car you own but the PCM shouldn't run that much.

May 01, 2009 | 2003 Cadillac CTS

1 Answer

Power steering pump 1991 Seville

Drain pump.Remove pulley off with removal tool. Remove pump from vehicle. Replace with new pump. Replace pulley with pulley tool.Add PS fluid. Videos available online to show how to do for free. Auto stores with loaner tool programs for free with deposit. Cost myself $100 to do myself compared to $400 shop wanted.

Mar 19, 2009 | 1991 Cadillac Seville

1 Answer

How to replace thermostat

coolant leaking from water pump problem or circulation problem driving it will create more problems that are very costly tochange thermostat there are 4 ten mill nuts on water pump cover two bolts on inlet side hose of engine holds thermostat

Jul 19, 2008 | 1995 Cadillac DeVille

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