Slight Rattle - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

laredo_hustle · 09-23-2011, 04:48 PM

Ok so it all started like this. I have a 1997 nissan 240sx SE that did not come with a VLSD(YEAH!!! One wheel wonder) So to change that I went to the Junk Yard and got my self a 1996 J30 VLSD. I bolted it on my car with no problems, the only thing was that my car did not have ABS so the driveshaft barely fit but I installed it anyways. After I started driving I notice I slight rattle noise coming from under my seat every time I pressed on the gas pedal going 30mph or more. To tell you the thruth I do not remember if it did before a change the pumking. Anyways I thought it was the driveshaft being to tight on there so I order my self an ABS 1 peice driveshaft to see if it would solve the problem. After I installed and drove it for a while I notice that the sound was still there. It is not to loud or it does not make my whole car shake or anything. I was thinking of turning the driveshaft 90 degrees and see what would happen. What do yall think it is.

KiLLeR2001 · 09-23-2011, 10:06 PM

Exhaust or down pipe slamming into the underbody. Get new exhaust hanger bushings. They will stop annoying vibrations in the cabin.

*fliprayzin240sx* · 09-24-2011, 03:28 AM

So did you get the right driveshaft lenght now? I was helping somebody with their swap an the shaft they had was too long and part of the shaft pass the impeller was slightly touching the dust boot, causing the car to vibrate.

laredo_hustle · 09-24-2011, 10:09 AM

I got it fixed I think, Last night I took the car out for a long drive and the sound started getting worst, it started to make this grinding sound. So I took the car back home and put it up on jack stands. I notice that the back of the driveshaft has some scrapes around it. I took the driveshaft off to see what was wrong, well the e-brake line came off the brackets and was scraping against the shaft. The noise got worst because the shaft eat off thru the plastic cover of the e-brake like and was hitting the metal. I put the e-brake lines back in the brackets and took the car for a drive and the sound is off.

laredo_hustle · 09-26-2011, 03:13 PM

Ok so the noise is still there. Is not the exhaust, when I bought my new exhaust I put new bushing on it. I think the driveshaft is good it has a lot of room to move back and foward. My new diff did not come with bushings so I had to use my s14 ones. Do yall think it could be out of aligment due to the bushings being different sizes?

laredo_hustle · 09-26-2011, 03:14 PM

Is not quite a rattle is more like a thump

09-23-2011, 04:48 PM	#1
laredo_hustle Join Date: Oct 2010 Location: Fort Worth, TX Age: 36 Posts: 29 Trader Rating: (0) Feedback Score: 0 reviews	Slight Rattle Ok so it all started like this. I have a 1997 nissan 240sx SE that did not come with a VLSD(YEAH!!! One wheel wonder) So to change that I went to the Junk Yard and got my self a 1996 J30 VLSD. I bolted it on my car with no problems, the only thing was that my car did not have ABS so the driveshaft barely fit but I installed it anyways. After I started driving I notice I slight rattle noise coming from under my seat every time I pressed on the gas pedal going 30mph or more. To tell you the thruth I do not remember if it did before a change the pumking. Anyways I thought it was the driveshaft being to tight on there so I order my self an ABS 1 peice driveshaft to see if it would solve the problem. After I installed and drove it for a while I notice that the sound was still there. It is not to loud or it does not make my whole car shake or anything. I was thinking of turning the driveshaft 90 degrees and see what would happen. What do yall think it is.

09-23-2011, 10:06 PM	#2
KiLLeR2001 Post Whore! Join Date: Jun 2007 Location: オーランドフロリダ Posts: 7,955 Trader Rating: (46) Feedback Score: 46 reviews	Exhaust or down pipe slamming into the underbody. Get new exhaust hanger bushings. They will stop annoying vibrations in the cabin. __________________

09-24-2011, 03:28 AM	#3
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	So did you get the right driveshaft lenght now? I was helping somebody with their swap an the shaft they had was too long and part of the shaft pass the impeller was slightly touching the dust boot, causing the car to vibrate. __________________ If you think Zilvia has too many assholes... CLICK HERE!!!

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09-24-2011, 10:09 AM	#4
laredo_hustle Join Date: Oct 2010 Location: Fort Worth, TX Age: 36 Posts: 29 Trader Rating: (0) Feedback Score: 0 reviews	I got it fixed I think, Last night I took the car out for a long drive and the sound started getting worst, it started to make this grinding sound. So I took the car back home and put it up on jack stands. I notice that the back of the driveshaft has some scrapes around it. I took the driveshaft off to see what was wrong, well the e-brake line came off the brackets and was scraping against the shaft. The noise got worst because the shaft eat off thru the plastic cover of the e-brake like and was hitting the metal. I put the e-brake lines back in the brackets and took the car for a drive and the sound is off.

09-26-2011, 03:13 PM	#5
laredo_hustle Join Date: Oct 2010 Location: Fort Worth, TX Age: 36 Posts: 29 Trader Rating: (0) Feedback Score: 0 reviews	Ok so the noise is still there. Is not the exhaust, when I bought my new exhaust I put new bushing on it. I think the driveshaft is good it has a lot of room to move back and foward. My new diff did not come with bushings so I had to use my s14 ones. Do yall think it could be out of aligment due to the bushings being different sizes?

09-26-2011, 03:14 PM	#6
laredo_hustle Join Date: Oct 2010 Location: Fort Worth, TX Age: 36 Posts: 29 Trader Rating: (0) Feedback Score: 0 reviews	Is not quite a rattle is more like a thump