SR20DET Chain Stretching? - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

NINJAS14 · 10-02-2013, 12:06 PM

So my timing chain is loose on the motor. I was told that the timing chain is stretched. Other people are telling me that its my tensioner. Im pretty sure when i did my last teardown on this motor I changed out the tensioner. But I cant really remember. lol. The cars been sitting for a while now.

I just dont know if I should just invest in another new tensioner or just get the timing chain and everything done at once. which would be a pain in the ass.

Has anyone ever experience a stretched Timing Chain on an SR?

cotbu · 10-02-2013, 12:20 PM

The chain won't stretch just sitting there.
The tensioner is hydraulic.
If you believe the chain is stretched beyond the tensioner's ability. What are your options besides replacing the chain?

NINJAS14 · 10-02-2013, 12:22 PM

Im just curious if the chain can in fact stretch.

cotbu · 10-02-2013, 02:39 PM

I've heard that, but never personally noticed/witnessed that.
If the timing chain has to come out for examination, you should probably replace it anyway. That would be the time to measure it, that and installation.

*fliprayzin240sx* · 10-02-2013, 07:23 PM

I'd check on your oil pressure since thats one of the things that keeps the tensioner from slacking.

10-02-2013, 12:06 PM	#1
NINJAS14 Leaky Injector Join Date: Jun 2006 Location: CA Age: 37 Posts: 131 Trader Rating: (2) Feedback Score: 2 reviews	SR20DET Chain Stretching? So my timing chain is loose on the motor. I was told that the timing chain is stretched. Other people are telling me that its my tensioner. Im pretty sure when i did my last teardown on this motor I changed out the tensioner. But I cant really remember. lol. The cars been sitting for a while now. I just dont know if I should just invest in another new tensioner or just get the timing chain and everything done at once. which would be a pain in the ass. Has anyone ever experience a stretched Timing Chain on an SR?

10-02-2013, 12:20 PM	#2
cotbu Post Whore! Join Date: Sep 2005 Location: SWFL Age: 47 Posts: 3,318 Trader Rating: (3) Feedback Score: 3 reviews	The chain won't stretch just sitting there. The tensioner is hydraulic. If you believe the chain is stretched beyond the tensioner's ability. What are your options besides replacing the chain? __________________ LoverTechnologies "Half Broken Things!"

10-02-2013, 02:39 PM	#4
cotbu Post Whore! Join Date: Sep 2005 Location: SWFL Age: 47 Posts: 3,318 Trader Rating: (3) Feedback Score: 3 reviews	I've heard that, but never personally noticed/witnessed that. If the timing chain has to come out for examination, you should probably replace it anyway. That would be the time to measure it, that and installation. __________________ LoverTechnologies "Half Broken Things!"

10-02-2013, 07:23 PM	#5
fliprayzin240sx Man w/ CTSV & a Car Seat Join Date: Aug 2002 Location: Tampa Posts: 17,998 Trader Rating: (19) Rides Gallery: fliprayzin240sx Feedback Score: 19 reviews	I'd check on your oil pressure since thats one of the things that keeps the tensioner from slacking. __________________ If you think Zilvia has too many assholes... CLICK HERE!!!

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10-02-2013, 12:22 PM	#3
NINJAS14 Leaky Injector Join Date: Jun 2006 Location: CA Age: 37 Posts: 131 Trader Rating: (2) Feedback Score: 2 reviews	Im just curious if the chain can in fact stretch.