2004 Cadillac DTS 100,000 miile tuneup.

Tiny
KKASH67
  • MEMBER
  • 2004 CADILLAC DEVILLE DTS
  • V8
  • AWD
  • AUTOMATIC
  • 103,000 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.
Wednesday, October 6th, 2010 AT 10:36 PM

1 Reply

Tiny
FACTORYJACK
  • MECHANIC
  • 4,159 POSTS
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.
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Thursday, October 7th, 2010 AT 12:45 AM

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