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Ramadan Mubarak to u!
I wana ask a question to all the brothers who have some technical knowledge about the engine.
What are / is the tappet in the engine?? how can one make a decision if an engine need some tappet adjustment or not.
My car is doing a lil missing especially when the engine temperature is not much, I have consulted a mechanic and he says that, the engine needs tappet adjustment and the engine head has to be opened as the tappets of Corolla 04 model are inside the main engine head and can only be adjusted after opening the head.
He also says that the head gaskit and valve seals have to be replaced.
I need a suggestion from all of the Pakwheel members who have some knowlegde/Experience in this regard.
My car has a 1.6 3zz engine.(SE Saloon)
1 Answer
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Ramadan Mubarak to u!
I wana ask a question to all the brothers who have some technical knowledge about the engine.
What are / is the tappet in the engine?? how can one make a decision if an engine need some tappet adjustment or not.
My car is doing a lil missing especially when the engine temperature is not much, I have consulted a mechanic and he says that, the engine needs tappet adjustment and the engine head has to be opened as the tappets of Corolla 04 model are inside the main engine head and can only be adjusted after opening the head.
He also says that the head gaskit and valve seals have to be replaced.
I need a suggestion from all of the Pakwheel members who have some knowlegde/Experience in this regard.
My car has a 1.6 3zz engine.(SE Saloon)
Gari.pk User 3364 asked on 02 Jul 2010 18:46:22 pm
1 Answer 
Huzaifa - on 02 Jul 2010 18:46:38 pmws
in simple words, engine's combustion chamber gets A/F mix. from one side (intake valves) and let exhaust gases go out through other side (exhaust valves). this process is essential for good breathing of engine.
the word tappet means " a part that gives intermittent motion".
as the engine runs, there must be some mech for their proper operation (opening/ closing). so there should be value of valve clearance running cold as well as hot. (as metal expands when hot, so value changes).
as far as i know, ur car does not require any tappet settings. can't comment further about gasket and valve seals. if u are loosing compression (engine power) significantly on petrol then valve seals might be an issue. gasket, well, look for comments about worn out gasket in previous threads. in short, u'd see oil mixed with water in ur radiator.
good luck
in simple words, engine's combustion chamber gets A/F mix. from one side (intake valves) and let exhaust gases go out through other side (exhaust valves). this process is essential for good breathing of engine.
the word tappet means " a part that gives intermittent motion".
as the engine runs, there must be some mech for their proper operation (opening/ closing). so there should be value of valve clearance running cold as well as hot. (as metal expands when hot, so value changes).
as far as i know, ur car does not require any tappet settings. can't comment further about gasket and valve seals. if u are loosing compression (engine power) significantly on petrol then valve seals might be an issue. gasket, well, look for comments about worn out gasket in previous threads. in short, u'd see oil mixed with water in ur radiator.
good luck
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