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1999 Cadillac Catera Belt tentioners

Tiny
TIMANDSARAH2000
  • MEMBER
  • 1999 CADILLAC CATERA
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 120,000 MILES
We are replacing the head gaskets on our '99 Catera. What is the importance of replacing the serpentine and timing belt tentioners within the same process?
Thursday, March 20th, 2008 AT 6:10 PM

2 Replies

Tiny
SERVICE WRITER
  • MECHANIC
  • 9,123 POSTS
It's a crapshoot. Maybe they are fine today and next week they aren't. The more critical one is the timing belt one as it is more labor intensive to go back into. The serpentine belt tensioner is more accessible and will give some warning signs of going bad.

If it was mine I would do the timing belt tensioner cause I'm there, serp. Tensoner. If it is moving free and was not cocked when mounted, I'd re-use it.
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Thursday, March 20th, 2008 AT 6:15 PM
Tiny
BUZZSAW
  • MECHANIC
  • 1,198 POSTS
Why are you replacing the head gaskets? Oil in the coolant?

The timming belt on a catera is crucial. It gets done every 60k. And you need special tools to do it. If you dont set it up right the car will not run right

it also is an interference motor if it breaks the valves bend
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Thursday, March 20th, 2008 AT 6:33 PM

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