Replacing a head gasket
Replacing a head gasket
I had a mechanic that I really trust look at my head gasket ('70 F100 4X4 w/ 351M dropped in) because I thought I saw some anti-freeze leaking out of front drivers side between head and block. He said - no problem, just some leaky hoses and water pump leaking too. Just curious if this ever is the problem how hard and how long and what skill level is required and tools to R&R a head.
Thanks,
Shawn
Thanks,
Shawn
Replacing a head gasket
Hoses and a water pump are no big deal.About a good mornings work,then you can have your beers in the afternoon,if desired. My only advise would be to CAREFULLY loosen the water pump bolts.Most of them go through the timing cover and are easy to snap because of length and corrosion.If they snap,it is not because of your fault,they would've snapped on your trusty mechanic also.That would require removal of the timing cover for soaking and removal of the stubs left.After all, it could be a rotted timing cover that is leaking coolant also.A night time check with a smaller flash light will be a good way to spot a bad t-cover or other sources of a leak.
Phillip
Phillip
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Replacing a head gasket
Replacing the head gasket can be tricky, you need to remove the entire intake manifold, then disconnect your exhaust, after that you can loosen the bolts and remove the head. A new intake manifold gasket will cost you about 60 or 70 bucks, then another 15 or so for the head gasket. If you have some idea of what you're doing it really isn't too bad, I took the head off and on in about 3 or 4 hours.
Replacing a head gasket
To R&R heads does require some minor science. When tearing down, keep track of all parts. Pushrods should be returned to the same place later to match the existing wear patterns on the lifters and rockers. Head bolts must be tightened in a specific order and in several phases , with a torque wrench, to ensure a uniform draw down and seal. Chase the threads in the block and on the bolts to ensure good torque readings. On Fords the head gaskets are not summetrical like Brand X; look for a stamped "front" on the forward edge. Finally, do not put sealer on the bolt threads (again like Brand X). Light lube on the threads and under the bolt head is recommended but not required. Most head gaskets no longer require sealer, follow instructions. If you need to pull the heads, Go For It !! It is one of those manly rites of passing and a good experience. HTH
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DPDISXR4Ti
Ford Inline Six, 200, 250, 4.9L / 300
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Jun 19, 2012 07:41 AM






