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HELP - Loose tappet? 

 

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 Post subject: HELP - Loose tappet?
Posted: Sun Sep 17, 2006 11:55 am 
Oompa Loompa
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Location: Brisbane
QLD, Australia

Hey boys and girls, EL Xr6 started tappn all of a sudden, no over revving or anything, just idleing it was. Pulled tappet cover off and one of the rockers/tapets had got play in it (see picture). when u push down on the dot in the middle its got a few mm play in it where all others don't. Is this normal?

If not, what can i do about it, if it is, anything else i can check?

Cheers

 

 

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Posted: Sun Sep 17, 2006 12:07 pm 
Getting Side Ways
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Did you have each cylinder at TDC when you checked them?
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Posted: Sun Sep 17, 2006 12:14 pm 
Oompa Loompa
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Location: Brisbane
QLD, Australia

yeah i turned it over a little to check the tension on all the others and they were all fine/the same compared to this one, still loose as a goose. The cam seems alright, no grooves or wear, im guessing its either the spring or something in between the rocker and the valve spring, is it adjusted or anything?

the holes in the top of the rockers, what are they for? can something be adjusted or is it an oil hole?
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Posted: Sun Sep 17, 2006 12:35 pm 
Oompa Loompa
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QLD, Australia

just looking through the workshop manual, the little do-dad, which i now know is called the "lash adjuster", seems to be resting on top of the vavle. when u push down the rocker the lash goes back up into the rocker where as the rest of the rockets dont move. can it be a blocked hole in the rocker not letting oil in to make the lash stay firm?????
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Posted: Sun Sep 17, 2006 6:11 pm 
Getting Side Ways
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the lash adjusters are held in by little plastic retainer clips that are pretty prone to breaking, go to repco or somewhere similar and ask for a set of lash adjuster retainer clips take the lash adjuster out put new retainer clip on u will probably notice the one on there is broken, slip it back in and bob's ure uncle should stop ticking
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Posted: Sun Sep 17, 2006 6:15 pm 
Getting Side Ways
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wifes done the same thing the spring in side of the lifter was broken i just replaced all of them now all is good
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Posted: Sun Sep 17, 2006 11:14 pm 
Oompa Loompa
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Location: Brisbane
QLD, Australia

hmmmm, got the new lash adjuster with those little plastic circle thingo on it, but seems really tight to get into the hole, is this normal?
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