Question about 2005 Cadillac STS
2005 STS MANIFOLD BOLT BROKE: CAR IS LOUD IN THE EXHUAST PIPE. SHOULD I TRY TO TAP BOLT OUT FROM THE ENGINE?
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Posted on Jan 02, 2017
Randy...There is no recall or service bullitens I can fing for intake gaskets. What is the reason for replacing the gasket.
Let me know.
Posted on Feb 11, 2009
I've heard a lot of people say no one will do any major repairs on the Northstar engine because it is so intricate. Plus the bolts could break off or strip the threads. Then you do have problems.
Posted on Dec 16, 2009
SOURCE: Hello I have a 2000
It can cause it to overheat if it is leaking coolant into the engine or outside of the engine. Replace your thermostat and check your oil for water and your antifreeze for oil. This will confirm if your head gasket or intake manifold gasket is leaking. Check you water pump for leaks and and make sure your coolant reservoir and radiator are full with antifreeze. Another possibility is your catalytic converter is plugged up
Posted on Mar 15, 2010
Testimonial: "Thank you for everything you were so much help and its greatly appreciated."
SOURCE: we replaced the intake manifold
These have very very specific repair procedures. The intake manifold is leaking coolant into the intake valves. What year and model Cadillac do you have?
Posted on May 03, 2011
Assuming that the leak was coming from the gasket that you just replaced, it could be due to several factors which include the following:
1) uneven mating condition, between intake and head due to non removal of the old gasket
2) gasket could have shifted out of position while the intake was being put in place
3) over torquing or un-even mating condition could have caused a crack in the composite intake manifold
4) under torqued intake to head attachments.
There are also quick disconnects for the heater hoses which may not be properly retained. These quick disconnects have been known to crack, creating a leak,
I would first determine where the liquid is coming from and then concentrate on that interface to solve the issue.
Posted on Jun 05, 2011
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