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Ask TODD RUZICKA Your Own Question
Category: Cadillac
Satisfied Customers: 55
Experience:  Service Consultant at Main Motor Chevrolet
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How do iI change the thermostat in my 2009 3.6 DI CTS4? CTS

Customer Question

How do iI change the thermostat in my 2009 3.6 DI CTS4?
JA: What is the model of your '09 Cadillac?
Customer: CTS 4 3.6 Direct Injection
JA: Are you fixing your CTS yourself? What have you tried so far?
Customer: Yes
JA: Anything else you want the mechanic to know before I connect you?
Customer: No
Submitted: 11 months ago.
Category: Cadillac
Expert:  TODD RUZICKA replied 11 months ago.

Hi and thank you for the question. I'll do my best to help. The thermostat is located om the rear of the engine just above the trans bell housing. The thermostat comes as a housing assembly. Can you see it?

Customer: replied 11 months ago.
I'm not at the vehicle right now. Is there a video?
Expert:  TODD RUZICKA replied 11 months ago.

If you can provide me with the last eight (8) digits of your VIN#, I will be able to look up specifically which engine code you have. There is actually another location...

Customer: replied 11 months ago.
Customer: replied 11 months ago.
I don't want you to call me
Expert:  TODD RUZICKA replied 11 months ago.

Ok, your engine code is LLT. The thermostat and hosing are located in the place I previously stated. There shouldn't be a video needed. Remove the hose and the three bolts. Install a new housing and gaskets. It's very easy to replace. Hope this helped and let me know if you have further questions and need more assistance.

Customer: replied 11 months ago.
Thank you, that's all I needed.
Expert:  TODD RUZICKA replied 11 months ago.

Ok, Have a great day!