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I bought my 94 Explore over a year ago and it was running great for 9 months. But the last 3 months the truck was progressively running rougher and diminishing gas mileage. Then I started getting concerned because I was losing coolant. But my number one concern is my left side of the engine...

Post Head Gasket Job Repair Help - PROBLEM SOVLVED!!!!!!!!!! Hose to the PCV valve was not seated all the way. That's where the hissing noise was coming from. I remember somewhere on this site posted using starter fluid or carb cleaner and lightly spray vacuum hoses and where they get...

I am very confident that the head bolts are good. I have good ft pound torque wrench for that. Not so confident on the lower intake bolts but most importantly the seal.

Thanks 200street. I think I might have messed up the sealant. I don't think I put enough on it. The manual says to put sealant around the water ports, but the new gasket covers that area? Is the manual wrong?

Longer story short I replaced my head gasket on my 94 XLT. Put it all together and runs like a brand new Lexus when engine is warm but idles like a nuclear bomb when cold. Also the temp gauge flucuates from 1/4 to 3/4. I do hear some hissing noise from the rear of the engine. I suspect I...