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Timing chain tensioner 

 

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 Post subject: Timing chain tensioner
Posted: Mon Dec 12, 2011 5:52 pm 
Stock as a Rock
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Ride: 1993 eb xr6 falcon

Location: beaufort
VIC, Australia

Hi people i just put a cam in my car (1993 eb ford falcon) and while i was there a new timing chain tensioner. I put it in and releast it but now i have a timing chain grinding noise only on idle. Dont know what it could be the chain guides look fine everything in the right spot nothing broken. The noise goes away high in the revs. Sounds like the chain could still be abit loose? quesion is am i supose to release the tensioner fully or? i unlocked it once with the ellen key like not all the way untensioned if you know what i mean. Should i release it fully or do something else thought i would find out from the people who have done it before. sorry hard to explain. :?
Thanks for any replys :wink:
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 Post subject: Re: Timing chain tensioner
Posted: Mon Dec 12, 2011 6:04 pm 
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what sort of grinding a constant grinding or an occasional grinding like if it was slapping around?
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 Post subject: Re: Timing chain tensioner
Posted: Mon Dec 12, 2011 6:08 pm 
Stock as a Rock
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Ride: 1993 eb xr6 falcon

Location: beaufort
VIC, Australia

sounding occasional mate :roll:
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 Post subject: Re: Timing chain tensioner
Posted: Mon Dec 12, 2011 6:11 pm 
Stock as a Rock
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Ride: 1993 eb xr6 falcon

Location: beaufort
VIC, Australia

hearing it better at start up.
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 Post subject: Re: Timing chain tensioner
Posted: Mon Dec 12, 2011 10:02 pm 
Getting Side Ways
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Ride: S1 eb 5speed

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With the roker cover off and the engine at top dead for the he'll of it pull out the tentioner plug so you can get the Allen key up there, now grab you're 17mm and turn the cam bolt anticlockwise slightly as turning the tentioner, this puts the slack on the tentioner side, stopped all my rattle,
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 Post subject: Re: Timing chain tensioner
Posted: Tue Dec 13, 2011 10:41 am 
Getting Side Ways
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Ride: 93 ED sedan

Power: 161 rwkw

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Were all the bolts done up for the rocker gear???...and not over tightened?
Did that cam require upspec valve springs???
How many K's on the engine???....does it require all new guides???
Just some things to think about after you recheck the tensioner.

 

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 Post subject: Re: Timing chain tensioner
Posted: Tue Dec 13, 2011 4:02 pm 
Stock as a Rock
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Age: 30

Posts: 125

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Ride: 1993 eb xr6 falcon

Location: beaufort
VIC, Australia

Thanks for getting back. 180 thousand on the clock its a wade 1636 cam so no upgrade on springs its a xr6 so its got the ticky valve springs. All the guides look ok from what i can see. When i put the tensioner in it uncliked one turn. Do i need to release the whole thing like in the fully unlocked position? :?
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 Post subject: Re: Timing chain tensioner
Posted: Tue Dec 13, 2011 8:38 pm 
Getting Side Ways
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Ride: S1 eb 5speed

Location: Coffs Harbour
NSW, Australia

They are hydrolic, uses the engines oil pressure to push out the tentioner. on most cars.
Some (including mine) don't like to push the chain right over.
This is why you do what I said above, to make sure.
To check for tightness grab the chain on the intake side of the cam gear and lift it up, if it looks like you could almost move it across another tooth it's not released propped (or broken guides, streched chain).
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 Post subject: Re: Timing chain tensioner
Posted: Wed Dec 14, 2011 4:29 am 
Stock as a Rock
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Ride: 1993 eb xr6 falcon

Location: beaufort
VIC, Australia

Chain feels ok to me i cant lift it off the sproket at all. But still abit of flex around the guides.
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 Post subject: Re: Timing chain tensioner
Posted: Wed Dec 14, 2011 7:04 am 
Getting Side Ways
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Ride: S1 eb 5speed

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Have a really good look at the guides, double check all you're rocker gear is tight, may be valve springs or could be pinging
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 Post subject: Re: Timing chain tensioner
Posted: Wed Dec 14, 2011 3:44 pm 
Stock as a Rock
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Ride: 1993 eb xr6 falcon

Location: beaufort
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cheers mate will do. :wink:
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