Im puting in a new head gasket and the kit came with 12 valve stem seals for the engine valves but i dont remember removing them , my ? is does my 89 mx6 2.2 LX non-turbo use these or can i return them and continue to assembole my engine with out them
I would replace them if the head is out of the car. Do you have to...no..but if the old ones are leaking you are going to wish you had. and no you did not remove them in your : regular head and valve removel.
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This is not a "drive way" repair... you need to do one of two things.. sometimes you can get a connector that can replace the spark plug to keep air pressure in the cylinder (THAT CYLINDER MUST BE AT TOP DEAD CENTER ON THE COMPRESSION STROKE!!!!) that will keep the valves closed..( YOU MUST HAVE A LARGE HIGH PRESSURE-HIGH FLOW AIR COMPRESSOR!!!)..now you can remove the valve springs one at a time (have a way to compress the springs??) ..and replace the valve stem seals..one at a time.. IF you DO NOT have the tools to accomplish this, --- YOU CAN REMOVE THE HEADS.. hold the valves in place and remove the valve springs.. and then change the seals, you must have a valve spring compressor to accomplish this. Does this seem like something you can do..?? If you have never done this??.. PLEASE just pay a qualified professional to change them!! You will need intake gaskets, head gaskets, valve cover gaskets, valve stem seals.. maybe the valves will need re-seating..just to name a few things... get the idea...
Hey Anon..this is a serious problem ONLY if you do not keep your engine oil level full...but you do need to get it repaired as soon as you can..
Sounds like you may only need new valve stem seals...BUT.. you need to check and see if your car smokes when driving.. especially when you are stopped at a red light, then take off again...Does it smoke then.>??? >> THIS IS IMPORTANT!!... It determines whether its rings and/or valve stem seals.. If it smokes after a red light.. it could be rings and valve stem seals.. If it ONLY smokes in the morning.. its a 99% chance its just worn out valve stems seals...
Find a qualified professional (ASE Certified or Toyota Factory shop) ..This is NOT an inexpensive fix..BUT - ASK if they will replace the valve stems seals without removing the heads..( I KNOW they can..its just a matter of WILL they!?!?)...BUT....The shop will want to rework your head(s).. called a "valve job" and this is normal,-- they will remove the head(s), all the valves, regrind their sealing surface and regrind the valve seats in the heads, install new valve stem seals, new intake gaskets, new head gaskets, fresh antifreeze..(get a new -QUALITY- thermostat and have them install it - no need to chance overheating your engine), they should "surface the heads".. giving them a fresh gasket sealing surface.. this will restore the sealing surfaces and help with the compression, and I would recommend letting them do it if you can!!....if you do this -- MAKE SURE you ask/demand for ALL your old parts back,-- all of them!! Good luck,, please mark as/if helpful...thanks!!
Oil in a cylinder is never good. There are several ways for the oil to get there and different prices to fix it.
Valve stem seals go directly around the valve and keep oil from the valve train from entering the combustion chamber. A worn or cracked seal can let oil run into the wrong place. Depending on how the camshaft and valve lifters are fitted, the valve stem is at the bottom of the camshaft and lifter. The overhead Cam models bury to valve stem deep inside the head.
Good practice would be to replace all seals at same time, but 1 cylinder could be done independently. But you are usually doing 90% of the work to do 1 set of seals. If a V-6 engine do the bad bank completely.
Head gasket, oil circulates through passages. Requires removal of everything above the head so gasket can be changed.
Bad Oil ring on Piston. Requires removal of head, oil pan, possibly motor to access crankshaft.
There are some tests which can help tell the difference between the problems. Some of it is visual so you need some disassembly for that. This is not going to be as simple as changing a waterpump or an Alternator. But the valve stem seals are reasonable and the head gasket is not so bad.
Can not say what labor will cost, but it will be probably 80% of the bill.
Oil coming out of the exhaust is an indication of valve stem seals are gone.What engine is in your van?You will need a reconditioned head or you could do the seals yourself as the whole kit comes with all the required seals.
Yes, you need a Rocker cover (valve cover) Gasket kit. Remove the valve cover, remove all old O-rings and cover gasket, clean grooves and mating surfaces without gouging or scratching them, put the new gaskets on as per factory recommendations, tighten to the proper torque and you're done. The spark plug holes in the cover are part of the valve cover gasket kit. Any Napa, Car Quest, Pep Boys, Auto Zone will have it.
There are no Head repair kits. There are kits that have valves and seals and guides for that parts of the head but if you head is damaged it is most likely going to require a new head. If you are looking for a kit to do a valve job then you will be wanting to get a Gasket and seal kit for the engine which should have the valve seals and such and purchase the valves and springs for the valves then attempt the job.
When does it smoke? All of the time, or just when you start it? If it smokes all of the time, consider piston rings. If you have lots of smoke when first starting only, valve seals and possibly worn valve guides are the culprit.