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2.0 LSJ Engine: How To Change Timing Chain Tensioner

Old 12-29-2012, 07:40 PM
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how many miles do you LNF guys have on your cars that changed there chains already?
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Old 01-02-2013, 09:29 PM
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Originally Posted by gotboost?17 View Post
LNF

Isn't this the LSJ Timing chain tensioner thread?
How similar is the LNF to the LSJ in this reguard?
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Old 01-02-2013, 09:34 PM
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identical procedure, LSJ or LNF, for the side mounted hydraulic tensioner; plug and play with new style, none of the convulted stuff promoted at various points is needed.
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Old 01-03-2013, 12:44 PM
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when replacing the tensioner using zip ties to hold the chain on the cam gears dosent keep the engine from jumping time as it dosent jump time on the cam gears it jumps time on the crank gear if your engine jumps time after replacing the tensioner then your timing chain was streteched out of limits and you need to replace it
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Old 01-03-2013, 01:13 PM
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Originally Posted by Powell Race Parts View Post
hydraulic tensioner;

Mine is mechanical.
When did they switch to a hydraulic one? Or does the LNF Use a hydraulic one but with the same procedure as the LSJ for replacement?
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Old 01-03-2013, 01:21 PM
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Originally Posted by Powell Race Parts View Post
identical procedure, LSJ or LNF, for the side mounted hydraulic tensioner; plug and play with new style, none of the convulted stuff promoted at various points is needed.
I've been following many random threads about changing this tensioner, and all of your replies are take out the old one, and replace the new one, and start your car.

Why are there so many other people insisting on taking the cam plate off, zip tie etc etc?



I just want to get my diesel noise fixed the quickest safest way.
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Old 01-03-2013, 03:32 PM
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I bought my tensioner months ago and still haven't installed it due to not knowing how to use the numeric torque wrench....
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Old 01-04-2013, 01:41 AM
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Originally Posted by turbosmart4 View Post
I bought my tensioner months ago and still haven't installed it due to not knowing how to use the numeric torque wrench....
Haha
I just German Torqued it.. Gutentight.
I couldn't fit my torque wrench in there. Oh well it works!
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Old 01-04-2013, 01:45 AM
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Originally Posted by ijak View Post
I've been following many random threads about changing this tensioner, and all of your replies are take out the old one, and replace the new one, and start your car.

Why are there so many other people insisting on taking the cam plate off, zip tie etc etc?



I just want to get my diesel noise fixed the quickest safest way.
well, this site isnt full of professional mechanics. so my guess would be... some people wanna be safe and zip tie the chain so it doesnt slip because it definitely could. its just a little safety procedure that only takes a minute. i personally know someone that works and chevy and he has done these before and he says that it isnt 100% needed to hold the chain or even hit the tensioner. he said MOST of the technicians dont do anything but take the old tensioner out and put the new one in and he is yet to see somebody have an issue with it.

dont take my word for it, because im sure some people out there HAVE had issues but i think that for the most part you'll be fine
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Old 01-04-2013, 01:46 AM
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Originally Posted by turbosmart4 View Post
I bought my tensioner months ago and still haven't installed it due to not knowing how to use the numeric torque wrench....
a torque wrench is not necessary dude. just tighten it enough that it isnt gonna loosen and dont tighten it so much that u **** something up. anything in between those 2 points is plenty tight enough
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Old 01-04-2013, 02:02 AM
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that's just his current excuse....he'll find another excuse as soon as you take that one away.
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Old 01-04-2013, 08:32 AM
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Originally Posted by ijak View Post
I've been following many random threads about changing this tensioner, and all of your replies are take out the old one, and replace the new one, and start your car.

Why are there so many other people insisting on taking the cam plate off, zip tie etc etc?



I just want to get my diesel noise fixed the quickest safest way.
not sure. probably never replaced a chain? dont know? weird.
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Old 01-04-2013, 08:35 AM
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Originally Posted by insylem View Post
Mine is mechanical.
When did they switch to a hydraulic one? Or does the LNF Use a hydraulic one but with the same procedure as the LSJ for replacement?
you may in fact be correct, it is a spring loaded device, does it require oil pressure (hydraulic) to work? All of these tensioners are the same with two types( pre upgraded and post upgrade) but afaik need oil pressure to function properly therefore would be considered "hydraulic"
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Old 01-04-2013, 08:40 AM
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Originally Posted by mrbelvedere View Post
when replacing the tensioner using zip ties to hold the chain on the cam gears dosent keep the engine from jumping time as it dosent jump time on the cam gears it jumps time on the crank gear if your engine jumps time after replacing the tensioner then your timing chain was streteched out of limits and you need to replace it
exactly.
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Old 01-04-2013, 09:03 AM
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Originally Posted by kikal8 View Post
a torque wrench is not necessary dude. just tighten it enough that it isnt gonna loosen and dont tighten it so much that u **** something up. anything in between those 2 points is plenty tight enough
Wish I was as comfortable as u are with engines..... U are a mechanic lol I have taken my car to the mechanic since last week but he never has time and last time I left it there for 2 whole days and never did anything cuz "he had lots of work to do" so he told me to drop it off today... Hope he replaces it this time..or I will have to get someone to help me cuz I've never opened up an engine before
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Old 01-04-2013, 09:05 AM
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Originally Posted by insylem View Post
Haha
I just German Torqued it.. Gutentight.
I couldn't fit my torque wrench in there. Oh well it works!
I really thought these engines were supposed to get torqued correctly lol gutentight
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Old 01-04-2013, 09:10 AM
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Originally Posted by turbosmart4 View Post
I really thought these engines were supposed to get torqued correctly lol gutentight
Anything I install on my car is always torqued to spec.

A torque wrench is not hard to use. If it is a tight spot, there is always a way to get the wrench to fit.
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Old 01-04-2013, 09:17 AM
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Originally Posted by Staged07SS View Post
Anything I install on my car is always torqued to spec.

A torque wrench is not hard to use. If it is a tight spot, there is always a way to get the wrench to fit.
The one I have is really weird..u set up by twisting the bar to how much torque u want and when it gets to that range it will make a clicking sound but goes in 50's and hundreds so I didn't want to risk it... Now if I had a digital one.....
But the mechanic is charging me what a digital one costs so hope he does his job now lol
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Old 01-04-2013, 09:20 AM
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Originally Posted by turbosmart4 View Post
The one I have is really weird..u set up by twisting the bar to how much torque u want and when it gets to that range it will make a clicking sound but goes in 50's and hundreds so I didn't want to risk it... Now if I had a digital one.....
But the mechanic is charging me what a digital one costs so hope he does his job now lol
I don't own a digital torque wrench....

All of mine are the ones u twist to your desired torque setting, and lock once set.

50's & 100's?? Are u reading the correct side of the wrench, the ft-lb side?
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Old 01-04-2013, 11:52 AM
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Originally Posted by Staged07SS View Post
Anything I install on my car is always torqued to spec.

A torque wrench is not hard to use. If it is a tight spot, there is always a way to get the wrench to fit.
I'm like this too,
but I didn't feel like taking off my DC Sports strut tower bar just to torque a
tensioner.

That's what I would have had to do to get my torque wrench to fit.
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Old 01-04-2013, 12:11 PM
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most things on an engine do need to be torqued to spec and other not so much years of experience will dictate that

Last edited by mrbelvedere; 01-04-2013 at 01:17 PM.
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Old 01-04-2013, 12:32 PM
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Originally Posted by insylem View Post
I'm like this too,
but I didn't feel like taking off my DC Sports strut tower bar just to torque a
tensioner.

That's what I would have had to do to get my torque wrench to fit.
Come on man.... removal of a strut tower bar is not hard
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Old 01-04-2013, 02:04 PM
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Originally Posted by Staged07SS View Post
I don't own a digital torque wrench....

All of mine are the ones u twist to your desired torque setting, and lock once set.

50's & 100's?? Are u reading the correct side of the wrench, the ft-lb side?
I'll re-check it once I get home cuz I'm pretty sure those were the numbers I saw
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Old 01-04-2013, 02:05 PM
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How old are u guys????? Ya'll seem very experienced....... I'm 22
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Old 01-04-2013, 02:15 PM
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Originally Posted by turbosmart4 View Post
How old are u guys????? Ya'll seem very experienced....... I'm 22
I'm 29, but have been around cars all my life.

My father has his own shop. I've learned a lot from him over the years.
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