Just because your truck is studded does not mean it cannot blow a gasket. If you just replaced the degas bottle did you over fill it ? Try a new cap?


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Just because your truck is studded does not mean it cannot blow a gasket. If you just replaced the degas bottle did you over fill it ? Try a new cap?


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It has a new cap as well, the big reasons I wasn't thinking head gaskets is the fact that the coolant that comes out doesn't smell like fuel, and theres no smoke at the tailpipe. Also, I double checked that it wasn't over filled.

 

What year is it?

 

2004

 

Fuel in the coolant is due to cracked heads, not blown head gaskets ..............

You don't always get smoke out the tailpipe either - maybe even most of the time you don't.

 

Just making sure you know. NOT overfilled means it should be about an inch below the min line. I just recently learned that lesson this year. I'd keep mine 'topped' off and it'd burp whenever I ran with it loaded or pushed it hard. Took me a bit before I was comfortable with it that low. Even ran a temporary coolant pressure gauge to make sure something else wasn't going on (like cracked head).

Also, I had to get a new one cap. The new one from NAPA didn't hold as well.

 

I will definitely take into account the overfill issue, as i have been running it at the line, so that may be all it is. If not I was going to do a thermostat. The truck is studded and deleted, so I think there is something else, and from what I've been finding, it may just be that I've got the coolant at the line.

 

The only true test is a coolant system pressure test, getting the engine hot, releasing pressure, and then loading it.

 

Pressure test is what you need
you can do a quick and dirty test if you still have the old cap
drill the cap and attach a small hose(aquarium hose or whatever is handy)
get a clear bottle and fill about half way with water -- place the hose in the water
start the engine and look for bubbles in the bottle
place the gear selector in 3 and brake torque the truck about 10 seconds

you do not want to see "a lot" of bubbles in the bottle when the engine is under load(brake torque)
a blown headgasket will make many bubbles

Advanced: put some Dawn in the bottle water for a cool effect -- and vid the results