Belt slipping

Bhblondguy · February 1st, 2009, 11:23 PM

My friends belt seems like it is slipping on his car. We swapped belts for the track to bypass the power steering and when he put the original belt back on, he said in 3rd or 4th he could push the accelerator down and the rpms would drop down and then come back up.

So we put a brand new belt on it, and it is doing the same thing. He doesn't have a computer at home so I'm posting for him. He is going to bring it by my house tomorrow to give me my nitrous bottle back and I'm going to check it out for him.

Any ideas or suggestions will help. Thanks guys.

-Tye

JakeM · February 1st, 2009, 11:40 PM

Originally Posted by Bhblondguy

My friends belt seems like it is slipping on his car. We swapped belts for the track to bypass the power steering and when he put the original belt back on, he said in 3rd or 4th he could push the accelerator down and the rpms would drop down and then come back up.

So we put a brand new belt on it, and it is doing the same thing. He doesn't have a computer at home so I'm posting for him. He is going to bring it by my house tomorrow to give me my nitrous bottle back and I'm going to check it out for him.

Any ideas or suggestions will help. Thanks guys.

-Tye

Fluid on a pulley?

raycutchins · February 2nd, 2009, 08:44 AM

Sounds like your friend needs an upgraded tensioner arm such as this.
JDM Engineering

Nitrous Injected · February 2nd, 2009, 08:56 AM

Yes a new tensinor pully would be the best bet right now and if that seems to not work.... check all the pullys to make sure they are not out of line and also check the previous belt to see if there is any cracks or tairs in it from the pullys to indacate out of lineness

07stanggt · February 2nd, 2009, 08:57 AM

coincedence that it started after the swap and now he needs a new tensoiner? I would think its something else.

Emay · February 2nd, 2009, 09:57 AM

Makes no sense to point at belt slip or tensioner, your description stated RPM's fell while on the accelerator. That doesn't occur with belt slip, it's the opposite. You get lots of Rpm's and no seat of the pants movement.

05mustang_TT_charged · February 2nd, 2009, 11:10 AM

is it supercharged? I think it may be a plug problem if he is using nitrous. A belt would not make the rpm's fall unless something is dragging it down. Like a bad idler or power steering pump.

Bhblondguy · February 2nd, 2009, 12:37 PM

maybe it is the other way around rpms up and then they come back down? I haven't been in the car yet today but I'll give an update as soon as he brings it by. Thanks for the input guys.

06GTMustang89 · February 2nd, 2009, 01:36 PM

Originally Posted by Emay

Makes no sense to point at belt slip or tensioner, your description stated RPM's fell while on the accelerator. That doesn't occur with belt slip, it's the opposite. You get lots of Rpm's and no seat of the pants movement.

agreed with emay...check ignition components since he was using nitrous

Bhblondguy · February 2nd, 2009, 04:20 PM

ok guys, I just took a ride in the car and it is the clutch that's slipping. Time for a new one!

JakeM · February 2nd, 2009, 04:25 PM

Originally Posted by Bhblondguy

ok guys, I just took a ride in the car and it is the clutch that's slipping. Time for a new one!

Hahah... Nice! At least it was easy to diagnose eh?

Bhblondguy · February 2nd, 2009, 04:27 PM

yes sir. Simple 4th gear pull from about 30mph-40mph showed me the truth!

07 STROKER · February 2nd, 2009, 05:37 PM

i have a gently used oem unit for sale

Bhblondguy · February 3rd, 2009, 01:18 PM

haha

February 1st, 2009, 11:23 PM	#1
Bhblondguy Hardcore Enthusiast 2005 Mustang GT 12.00@114.82 Join Date: Jul 2007 Location: Baytown, Tx. Posts: 1,234 iTrader: 0 reviews	Belt slipping My friends belt seems like it is slipping on his car. We swapped belts for the track to bypass the power steering and when he put the original belt back on, he said in 3rd or 4th he could push the accelerator down and the rpms would drop down and then come back up. So we put a brand new belt on it, and it is doing the same thing. He doesn't have a computer at home so I'm posting for him. He is going to bring it by my house tomorrow to give me my nitrous bottle back and I'm going to check it out for him. Any ideas or suggestions will help. Thanks guys. -Tye

February 2nd, 2009, 08:44 AM	#3
raycutchins Regular Join Date: Jan 2007 Posts: 138 iTrader: 0 reviews	Sounds like your friend needs an upgraded tensioner arm such as this. JDM Engineering __________________ 2007 Shelby Cobra GT500, bone stock, for now......

February 2nd, 2009, 08:56 AM	#4
Nitrous Injected Regular 2003 Mustang GT 13.987@100.98 MPH Join Date: Oct 2008 Location: Mt. pleasant Posts: 107 iTrader: 0 reviews	Yes a new tensinor pully would be the best bet right now and if that seems to not work.... check all the pullys to make sure they are not out of line and also check the previous belt to see if there is any cracks or tairs in it from the pullys to indacate out of lineness __________________ 88 NOTCH,351 WINDSER,BUILT C6 TRANY,750 CFM CARB,4:30 GEAR=??? WWIII 2003 MUSTANG GT SOLD with 488 RWHP and 520 FT-LB on 150 shot and bolt ons R.I.P.

February 2nd, 2009, 09:57 AM	#6
Emay May 08 ROTM 2008 Audi S6 Join Date: Oct 2006 Location: S. Elgin Posts: 6,683 iTrader: 3 reviews	Makes no sense to point at belt slip or tensioner, your description stated RPM's fell while on the accelerator. That doesn't occur with belt slip, it's the opposite. You get lots of Rpm's and no seat of the pants movement. __________________ FLICKR Unique Imagery

February 2nd, 2009, 11:10 AM	#7
05mustang_TT_charged Hardcore Enthusiast 2005 Mustang GT 10.32@137.70 Join Date: Mar 2007 Location: LSU Country Posts: 2,774 iTrader: 0 reviews	is it supercharged? I think it may be a plug problem if he is using nitrous. A belt would not make the rpm's fall unless something is dragging it down. Like a bad idler or power steering pump. __________________ 350 rwhp and 310 rwtq at 6000 rpms through stock exhaust system 326 cubic inches of Twin Turbocharged hell will be running soon Tuned by Wes @ TPS

February 2nd, 2009, 08:57 AM	#5
07stanggt I Post Entirely Way Too Much 2007 GT Join Date: Mar 2007 Location: Ellicott City, MD Posts: 11,950 iTrader: 1 reviews	coincedence that it started after the swap and now he needs a new tensoiner? I would think its something else.

February 2nd, 2009, 12:37 PM	#8
Bhblondguy Hardcore Enthusiast 2005 Mustang GT 12.00@114.82 Join Date: Jul 2007 Location: Baytown, Tx. Posts: 1,234 iTrader: 0 reviews	maybe it is the other way around rpms up and then they come back down? I haven't been in the car yet today but I'll give an update as soon as he brings it by. Thanks for the input guys.

February 2nd, 2009, 04:20 PM	#10
Bhblondguy Hardcore Enthusiast 2005 Mustang GT 12.00@114.82 Join Date: Jul 2007 Location: Baytown, Tx. Posts: 1,234 iTrader: 0 reviews	ok guys, I just took a ride in the car and it is the clutch that's slipping. Time for a new one!

February 2nd, 2009, 04:27 PM	#12
Bhblondguy Hardcore Enthusiast 2005 Mustang GT 12.00@114.82 Join Date: Jul 2007 Location: Baytown, Tx. Posts: 1,234 iTrader: 0 reviews	yes sir. Simple 4th gear pull from about 30mph-40mph showed me the truth!

February 2nd, 2009, 05:37 PM	#13
07 STROKER MM's resident Juice head 07 Mustang GT Join Date: Nov 2007 Location: PA Posts: 7,920 iTrader: 0 reviews	i have a gently used oem unit for sale __________________ The MGW short throw shifter Its not just a shifter...It's a lifestyle!

February 3rd, 2009, 01:18 PM	#14
Bhblondguy Hardcore Enthusiast 2005 Mustang GT 12.00@114.82 Join Date: Jul 2007 Location: Baytown, Tx. Posts: 1,234 iTrader: 0 reviews	haha

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