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Completed head gasket ...days later loud rapping noise!
Posted by Tom86t [Email] (more from Tom86t) on Tue, 4 Mar 2008 12:39:16
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OK, I completed my head gasket job on my '91 2.3NA 9K last weekend. The job went fine, everything went back together no problem, and I took the car for a good long test drive. All was AOK. I drove to work on Monday-Wednesday and the car ran great. Plenty of power, normal temp, and I was very pleased. On Thursday on my way home I was low on gas so I pulled over and put in a couple of gallons to get me home. After leaving the gas station I started loosing power and I noticed a tapping noise starting. Sounded like lifter noise. Wasn't too bad so I got the car home. By the time I got too my street the noise was pretty loud and the temp was up toward the top of the guage. Sounded like a deisel engine. My thought was the timing chain sounded off by a tooth. I pulled off the valve cover, set the engine to TDC and my cams were lined up perfectly. I have changed the oil and filter in case some gunk from head gasket job, and put in some 93 octane gas thinking maybe bad gas. Still sounds bad. The engine fires right up and idles good, but loud rapping noise. I did change the plugs also...........Any ideas out there? Will I be pulling the head again this weekend? Does it sound like I bent a valve or something?
Any thoughts welcome, Tom
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