dfenc Posted January 13, 2003 Report Share Posted January 13, 2003 I have a problem with my lumina 99 with engine 3100 coolant semms to leak from the intake its is a frequent problem with this engine??? and is expensive to repair? :? Quote Link to comment Share on other sites More sharing options...
Redfox340 Posted January 13, 2003 Report Share Posted January 13, 2003 Out of the intake? Holy cow... I've only seen that on the DOHC's. It's not usually a problem but I'll keep my eyes open for any other postings / listing about it. How many miles? Any records of maintenance? It's not a hard project to do if you think you can handle it. But if you can't, you could be looking at around $350 - $500 since there's a decent amount of parts to pull before the manifold gasket(s) can be replaced. Are you sure it's not the thermostat o-ring first? Perhaps that could be leaking... but let us know, and best of luck! - RedFox340 Quote Link to comment Share on other sites More sharing options...
cutlassdude96 Posted January 15, 2003 Report Share Posted January 15, 2003 All 60* engines have this problem. If you do this your self, intake gaskets are about $35, valve covers gaskets are about $15. Quote Link to comment Share on other sites More sharing options...
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