Welcome to the DoItYourself Forums!

To post questions, help other DIYers and reduce advertising (like the one on your left), join our DIY community. It's free!

All my coolants leaking out, hissing noise when Engine is running


Spursfan's Avatar
Visiting Guest

Posts: n/a

07-21-03, 10:36 AM   #1  
Spursfan
All my coolants leaking out, hissing noise when Engine is running

I have a 1990 Pontiac Sunbird LE 2.0L. Lately, I have been refilling coolant after every drive. When I stop, it all leaks out, and there's a hissing sound when the engine is on. The temperature gauge still gives me normal readings but I guess that's because I refill often. I checked under the car after an overnight park and realize that the leak emanates from the left front side, a bit behind the radiator. Can you please help me identify the problem area and possibly fix it? Thanks.

 
Sponsored Links
Joe_F's Avatar
Visiting Guest

Posts: n/a

07-21-03, 11:05 AM   #2  
Joe_F
When's the last time the cooling system saw any service such as new radiator hoses and clamps? You could have a leaky radiator.

Any shop can do a cooling system pressure test on this and advise you of the leak and the needed repairs. Shouldn't be hard to do in most cases.

 
Spursfan's Avatar
Visiting Guest

Posts: n/a

07-21-03, 11:43 AM   #3  
Spursfan
actually..just replaced the hose and clamps

Thanks again Joe
The radiator hose had a leak and I replaced that along with new clamps. The problem began a few days after I installed the new hose. First, I noticed coolant leaking from the pressure cap and after I tightened the cap to its recommended orientation(with the arrows aligned to the hose)...the leak moved to some other place that I have yet to identify. I'll try the cooling system pressure check that you recommended. See if this new info will add something to what you said.

 
Joe_F's Avatar
Visiting Guest

Posts: n/a

07-21-03, 11:51 AM   #4  
Joe_F
Throw the cap out and get a new one, it sounds shot. A couple of bucks and cheap insurance.

Try that and let's go from there.

 
Search this Thread