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  #1  
Old 04-02-2011, 07:51 PM
Tommycat Tommycat is offline
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Okay, so I was getting a p0300 302, 306, 308. Soooo I was firing on 5 cylinders. Took it to a shop to get a compression test done... 50 lbs of pressure....

So now I gotta replace the head, and I can't afford to pay a shop upwards of 2k to fix it... Anyone have any warnings I should watch out for while replacing it.
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Old 04-02-2011, 08:40 PM
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Sorry for your troubles.

Make sure your replacement head and the block are straight. Make sure you follow the proper torque procedure. Clean all surfaces really well before sticking the parts back together. You will need new head studs.

Good luck!
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Old 04-04-2011, 02:10 AM
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on a positive, now can be the time to get a set of h.o. heads and cams...
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Old 04-05-2011, 01:01 AM
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update: After tearing apart the top, I have learned that $2400 for labor is reasonable lol...
I have also found where all my pinhole water leaks are...
There was a rocker arm layin in the rocker valley. Explains what caused the head gasket to go. Cylinder 2 exhaust valve rocker must have gotten tired and decided it wanted to take a break. So that explains why the compression would be down. Now I gotta finish pulling the timing chain(s) cover.

Not pulling the driver side, because it looks like the previous owner did that one...
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Old 04-24-2011, 10:30 PM
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Last update on this one... So after pulling the head, it appears it was slightly warped. Head gasket was gone... After pulling the timing chain cover I realized WHY it might have gotten warped.. There was so much RTV in the water passages that I had to poke a screwdriver through it to get it out of the water passage... It was like a water passage plug... Maybe that had something to do with why it would run hot...

Got the head machined, fortunately it was salvageable. Replaced a bunch of seals and gaskets that were cracked or broken or even if they looked like they MIGHT be leaking... Got it put back together, and she fired right up. I feel a bit proud of my work. She's running smooth and actually seems more powerful than when I first got her.
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Old 04-24-2011, 10:35 PM
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Cool deal man!! I'll give ya reps for goin' through hell!!
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Old 04-25-2011, 12:04 PM
Tommycat Tommycat is offline
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Funny thing is the part I thought was going to be the hardest was actually the easiest. Aligning the cam. Rotate the engine to TDC, and it's real easy. Use a breaker bar on the cam bolt(because a ratchet would allow it to spin too easily once it gets past a certain point) to get it lined up, and slip the chain on. EASY. Finish torquing the cam bolt down, replace the timing chain tensioner, and it's done. Only "specialty tool" I needed was a torque wrench and a pulley puller... I made the 90 degree part using tape on the head of my ratcheting torque wrench(tape off half the head, turn it 90, tape off half the head, now you have 4 quarter turns). It came out to be slightly over 60 ft lbs per bolt. I did that so I would know which bolts I torqued down if I lost my place haha. if it clicked, I already got that one. A better way might have been tape on the head bolt so I don't accidentally over-tighten a bolt. Or I could have made sure I was torquing according to the book, but even then, I might have hit 4 through 10 twice because my girlfriend was "helping" me. She was asking me questions when I would have the torque wrench off the head while I was repositioning myself...

On a positive note, my girlfriend is fairly impressed with me for saving $2400+ with only 4 swear words uttered... YAY ME!
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Old 04-25-2011, 06:07 PM
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Congratulations. Sorry for your troubles but it sounds like you made the very best of it. Also congrats on only four swear words. I let loose a stream that would make a sailor blush the other day over something as simple as the dog getting out . If I ever have to go through what you did I will need therapy.
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