Where is the thermostat on an 03 cadillac cts

3 post 1 car ,and now answered 3 times


your other posts show 03 Cadillac CTS , <<< this? is the car? or posting or 2 cars? IDK with double posts what's up?
no VIN told to know what engine is there.
3.2L v6? LA3 caddy<<<< THIS? IT IS and engine problem, so?
hOW MANY MILES ON THIS ENGINE?
EVER CHANGE OUT THE CAM BELT, THEY ARE last from 60k to 100k MILES AND THEN SLIP. cam TIMING,

the problem is easy, most times, this belt on the cam died, ran to 100k miles they die.
lack of proper service is the cause
and cam sensor fails. even replaced 10 times as is must timed wrong.


here is the long answer the full procedure told
40 steps.

https://www.justanswer.com/cadillac/64zgn-cadillac-cts-ok-goes-03-cts-3-2l-threw.html

and on the rell Cadillac for this key FACT

To answer the OP's question, yes the 3.2L is an interference motor.

that means if engine is cranked or run with belt slipped or broken, the valves BEND
and a cylinder leak down test fails (hand turned)

Assuming the information you provided is correct this http://www.modifiedlife.com/2003-cadillac-cts-car-audio-wiring-chart/ should help you

good luck and thank you
https://www.6ya.com/mr.mike

How to Change the Bulb in your 03-07 Cadillac CTS Fog ...

? 4:13
https://www.youtube.com/watch?v=TaW1haYSThs
Oct 13, 2011 - Uploaded by 1A Auto Parts
How to Change the Bulb in your 03-07 Cadillac CTS Fog, Daytime ... Do you guys have video for replacing the turn signal bulb in a 2006 STS?Missing: h

Re: Reading/Clearing Diagnostic Trouble Codes (DTC) - Cadillac

try replscing the key.

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.

Image 1



Image 2

Hope this helps; also keep in mind that your feedback is important and I`ll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using FixYa, have a nice day.

I do not mean to be hurtful and it will take some time to do. Maybe all day if you have no experience. If you need instructions just maybe you should have some do it for you.

The dealer was more than likely referring to the "intercooler" -- part of the turbocharger.

Have the TPS checked out first

T/C would be traction control i would think

Robert

junk it its not worth it one of the sensors that open and shut the door are bad