1998 · ENGINE <6G7> [11] · страница 10 из 26 · Открыть оригинал PDF ↗

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Carryout lash adjuster simple check
If any of the rocker arms can be pushed down
easily during the lash adjuster simple check;
replace the corresponding lash adjusters.
If the lash adjuster simple check has been carried
out but all Iash adjusters are normal- (if none of
the rocker arms could be pushed down easily)
check for some other cause of the problem.

NOTE

You can check whether the lash adjusters are normal
or not by carrying out a leak-down test: (Refer to the
Engine Workshop Manual )

Caution

Make sure thattheair has been fully bled before
installation of a new lash adjuster: (Refer to the
Engine Workshop Manual,)

Bleed the air from the lash adjusters

If the noise does not disappear even after the air has
been bledfromthe lash adjusters, carry out the following
check

Carry out lash adjuster simple check:

If one of the rocker arms can be pushed down easily
during the lash adjuster simple check, replace the
corresponding lash adjuster

If two or more of the rocker arms can be pushed down
easily during the lash adjuster simple check, the
cause may be that the oii passage to the cylinder
head is blocked:

Check for blockages in the oil passage, and clear the
blockages if any are found: If there are no blockages,
replace the lash adjusters

If the lash adjuster simple check has been carried out
but all lash adjusters are normal (if none f the rocker
arms could be pushed down easily), check for some
other cause of the problem

NOTE

You can check whether the lash adjusters are normal or
not by carrying out a leak-down test (Refer to the Engine
Workshop Manual: )

Caution

Make sure that the air has been fully bled before
installation of a new Iash adjuster(Refer to the
Engine Workshop Manual,)

Start the engine and check that the abnormal noise has
disappearedIf necessary, bleed the air from the lash
adjusters:

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