Question about Cars & Trucks
Hi.. im changing the head gasket in a 1994 holden barina swing 1.4L. Ive realised the head looks to be two pieces.. which part do i seperate? the part above the spark plugs or the whole two blocks together? thanks....
Hi Adrian, I'm not very clear on the nature of your problem. I'm guessing that your vehicle is a four cylinder in line engine. To replace the cylinder head gasket is rated as a major job and requires the following work to be carried out. The engine must be completely cold before starting any work. Disconnect the battery, drain the coolant and engine oil. Remove the fuel, coolant and all electrical connections to the carburation and ignition system. Remove the intake and exhaust manifolds followed by the tappet cover. It is also required to remove the fan belts, the crankshaft pulley and the front timing cover, Under the tappet cover is the valve assembly, which needs to be removed. The cylinder head bolts need removing in a strict sequential order, beginning from either end and spiralling in so that the last bolts loosened are those at the centre. Once the head is unbolted it should be measured to make sure that the face is not distorted in any way. Assembly is three times more complicated, requiring the correct torquing settings and the correct sequence of tightening, (beginning at the centre and spiralling outwards). You will also need to set the valve timing and clearances. If you would like to tackle the job after reading this, let me know and maybe I can give you pointers while you're on it. Coincidently we do not have that particular vehicle here so I have not had hands on experience with it. The information I have given refers to all four stroke internal combustion engines. The gasket appears as a very basic replacement, but fitting it is far from basic. Regards John
Posted on Oct 13, 2013
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Posted on Jan 02, 2017
try this; there is a crank angle sensor that sit under the car behind the harmonic balancer. It's like a black round plug about 10 cm long. Change that and I'm sure things will run good again. A lot of people don't know about this, and if you are unsure of what it looks like, ask your mechanic or parts supplier to show you one.
Posted on Sep 06, 2012
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