Head Gaskets and Valve Covers

How do you replace the head gasket located on a 1996 Dodge Neon SOHC?


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2015-07-14 15:52:54
2015-07-14 15:52:54

The website I first posted has a step-by-step instuctions with pictures.

Anyway, Heres the steps without pictures...(Taken from above website)

* Open Hood. * Disconnect the battery. * Drain coolant. * Remove airbox assembly - unbolt from rear of head. * Unplug wiring harness and strap it out of the way. * Remove the coil pack and wires. * Remove ground strap from head. * loosen and disconnect EGR valve from head. Actual removal from engine bay unnecessary. * Unbolt intake manifold from head. * Remove spark plugs from head. * Unhook Fuel Injection Assembly from fuel line. * Remove Fuel Injection rail/fuel injectors from head. Note: Was informed, not a necessary step * Remove alternator belt. * Remove valve cover. * Unbolt exhaust from exhaust manifold. [Beth Boose wrote: "do not unbolt exhaust from head- after everything else is removed, place a jack (with a block of wood on top) beneath the catalytic converter and slowly jack the cat up, this will pop head free- no need to pry the head up. Then unbolt the exhaust from the cat - it's easier to remove the exhaust bolts with the head off the car.]

I might have left a few things out, but you basically remove everything and kep track of where it all goes. I take pictures. I have a digital camera, but a Polaroid will do.

Now we start getting to the fun part:

* Jack the right side of car til the tire is off the ground and support it. * Remove the front tire. * If you replaced the engine cover, remove it again. * Loosen air conditioning compressor, then remove belt. * Remove power steering pump/belt if applicabe. * Remove bolt. * Using the puller, remove the damper/pulley. o Removing this can be a real pain. Fortunately for me, mine came off easily. We had one that was very difficult at first. We actually broke one pulley. We then spayed it heavily with some PB Blast (there are other penetrating oils available) and let it sit overnight. Probably wouldn't hurt to hit the damper/pulley with a rubber mallet to help the oil penetrate. Other people have used a torch to heat up the pulley. There is a puller specific for the Chrysler 2.0/2.4. This is the one SnapOn sells. * Remove front timing belt cover. * Place floor jack with wooden block under the oil pan. Raise jack til block touches the pan. You can use the floorjack to raise/lower motor to help with clearances. * Unbolt/remove engine mount. * Rotate the until the timing marks on the gears line up with the cover. * Remove tensioner. * Remove timing belt. * remove timing gear from head/camshaft. * Remove rear timing cover - if you plan on changing the water pump.

Now, since so far, we have done all the procedures to remove a timing belt, it would make sense to use a new belt, so we don't have to do the labor twice when unnecessary. The timing belt's recommended change interval is 105,000 miles. I changed mine at 127,000 miles when I did my head gasket.

On another note, you have to go through these procedures to get to the water pump. Usually, they would charge another 1/2 hour labor to do the change the water pump. A water pump's life expectancy is not much greater than 100,000 miles.

Some say you should remove the cam from the head. If you want to examine the cam lobes and actuators, you can remove the cam. I didn't when I did mine. If you have a DOHC motor, you need to remove the cams to have adequate clearance to reach and remove the headbolts.

* Remove thermostat housing. * Remove headbolts. * Loosen the head from the block by rocking and careful use of a prybar. * Lift the head with the exhaust manifold and remove from the car. * Clean all surfaces - block, head, intake ports. * Check surfaces for warpage - check specs in service manual.

The assembly is pretty much the reverse of disassembly. A few notes:

* Use new head bolts if you are worried or the originals are stretched. (Some people recommend simply always using new head bolts since they do not cost very much.) * Make sure you tighten the bolts to specs in the correct order. Refer to the manual. * Replace the rubber grommets in the valve cover. * Replace the tensioner with a new one. It might not be necessary. I have 170k miles on mine. But a friend of mine, his Breeze's tensioner broke about 3k miles after his headgasket replacement. So, you might want to be safe than sorry. (Editor's note: if you use the old one, make sure you reset it.)

i the same question with this wiki post... i break down my that might help what this person said...




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