Mechanics

100,000 MIILE TUNEUP.

2004 Cadillac DTS

Engine Performance problem
2004 Cadillac DTS V8 All Wheel Drive Automatic 103000 miles

I would like to know what is done when my care is tuned up. What parts are replaced. I understand there are spark plugs, coils etc.
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Kkash67
October 6, 2010.




At 100k miles, you can replace the spark plugs, the coils are not necessarily needed. The fuel and air filters can be considered. You may also consider cleaning the throttle plate and idle air control valve pintle and passage. Depending on what your maintenance practices have been, running some cleaner through the injectors, performing some fluid services, like transmission and brake fluid exchanges, can also be part of it. There is a ventilation filter that is easily accessed for replacement, as well.

Factoryjack
Oct 7, 2010.


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