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2008 Cadillac Dts - Page 2 Questions & Answers
What is wrong with my heater?
Automotive heater problems can have several sources
- poor flow of hot coolant (the source of heat)
- poor air flow - bad blower or air plumbing problems such as blend door position.
The treatment for these varies so if you can, identify the source of the problem. Ths vid may not be DTS but it should give you an idea.
Starting problem
check for faulty wiring harness or connections at the point where the steering tilts.
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