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Old 14 Mar 2011, 09:31 pm
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Posts: 6
Default How to change the head gasket on a 98 honda civic?

Please explain in details. I heard you gotta resurface something... Anyway, the car is a manual.
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Old 14 Mar 2011, 09:46 pm
Join Date: Aug 2007
Posts: 72


brief overview:

drain coolant, and make sure engine is at TDC on intake stroke

find and unhook all electrical connectors, vacuum lines, coolant lines and throttle cable label them (only ones connected to the head)

use 12mm wrench unbolt the exhaust manifold. carefully lay against radiator

unbolt valve cover with 10mm socket and ratchet and pull it off

take off front pulley 17mm bolt

then unbolt the timing belt cover upper and lower

loosen timing belt tensioner 12 or 15mm take off timing belt

unbolt the head, I believe they are 15mm

take off the head I usually lay it on top of the fire wall

take off gasket

use putty knife or razor blade to clean off the gasket should look shiny metal not black black = gasket DO NOT USE GRINDER IT WILL RUIN MATING SURFACE!!!!

take a strait edge and feeler gauges, make sure the head nor block is warped. if it is out of speck then it will need to be resurfaced THERE IS A SPEC do not just take a strait edge and say good or bad

if its good put the gasket on put the head back on, then bolt it all down

you CAN reuse the head bolts. auto parts places say its RECOMMENDED because it makes them money

in my opinion if you are going to go and replace the bolts might as well get head studs, only $20 more but 10X better and honestly the only bolts i torque with a torque wrench are the head bolts, they go 25 ftlbs then 50 ftlbs then 70 ftlbs then 70 ftlbs the bolt pattern is pretty much inside bolt to the outside bolts

also there is a new gasket out, if you had a head gasket that leaked oil there is a new revised gasket but if it didn't leak it is recommended to use a new original oem gasket

i don't have the part # off the top of my head
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Old 14 Mar 2011, 10:16 pm
mee mee is offline
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Join Date: Mar 2011
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just take the head to a machine shop.. attempting to do it bye yourself without any previous mechanical experience can just break your head completely..

as for the install as well youll need a torque wrench and a few other special tools
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