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Re: how to change a head gasket on a b-18 motor
You dont have to remove the cams, but it did blow a head gasket so the head needs to go to a shop to be checked out. I would not leave my cams in if you are taking it to a shop because those guys are good but they do loose stuff.
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I had the same problem with my 1999 grand am .I changed water pump, thermostat. I heard the Pontiac engines , 3.4 had overheating problems one is the intake gasket if your losing water but don't know were its going its leaking at the intake gasket and burning off or if you check the oil cap or the dip stick and theres a milky substance on them it would be your head gasket I had to change my head gasket and while I was there I changed the intake gasket too. I haven't had any problems sence I changed them hope this helps. Jack
you can not just change the engine you would need to change the transmission and the computer the front exhaust pipe but if you are willing do do it anyway the signal cam engines had a problem with the cylinder heads cracking and the dual cam is common for oil leaks
Water in the oil can only mean a few things: a blown head gasket, intake manifold gasket (on some engines), a cracked/broken cylinder head, or a cracked/broken cylinder wall in the engine block.
In any of these cases, it is going to require major engine repair to fix it. There may be moderate to severe damage to the engine bearings (cam and crank bearings) due to the water in the oil. I would recommend TOWING it to a professional repair shop to get an evaluation of the damage. You may be able to fix it with a head gasket replacement and an oil change, or you may have to replace the entire engine. DO NOT OPERATE THE ENGINE OR TRY TO DRIVE THE VEHICLE. This will only GAURANTEE that you will need to replace the entire engine!
hi from uk best advice if you intend to diy this head gasket and other jobs in the future on your car ? purchase a haynes manual so you can read up on jobs and then you can always refer to it if you get stuck or want torque sttings etc if you have difficulty in finding manual for 89 model? i do have a number of these manuals for various cars including the civic up to 1987 the engine is carburetta and o/head cam belt drive not sure if same continued in 89 ?? for info in uk haynes cost £19 "99 from motor superstores and are very informative for diy i have collected over the years approx 80 and now retired
If there is oil in the radiator - DO NOT DRIVE THE CAR. You are risking serious engine damage. After you change the head gasket, you must change the oil and the antifreeze. You definitely have at least a blown head gasket. On the bright side you know for sure which head to take off.
there is a special tool. it holds the chain against the hydraulic tensioner and on the cam sprocket. you need this to prevent tensioner from loosing its prime and keep the timing from moving. once tool is in place remove bolt holding cam sprocket and you lift head off leaving chain and sprocket in place.