How to change the AC serpentine belt, not the SC belt

JGsSpcNightRod7 · 07-21-2010, 01:10 PM

Hey guys/Girls, I have changed a lot of belts in my time, but this one got me. The serpentine belt for the Alternator, is behind the SC belt. I did the normal 1/2" drive in the tenser, starting taking off the belt while the fan and everything else was cutting the

out of me. Then starting taking the belt off the pulleys and then

a bracket between the crank balancer and the SC crank balancer... I have never seen this before, so I put everything back together, but I really need to change this belt. (which has oops 147K miles on it, no cracking but I am pushing my luck). I guess I have to take the SC serpentine belt off and then take the Alternator belt off (at-least off the pulleys) then loosen the two nuts and one bolt for that bracket? Help me out on this one please, let me know if my logic is going in the right direction.

Thanks
Johnny

PS, i did do a search on this in HNTOC, but came up short. Most threads dealt with the SC belt and changing out pulleys.

steinjr · 07-21-2010, 01:17 PM

You will need to remove the lower pulley in order to get the accessory belt off.

This is why so many of us go to an aftermarket "un-caged" lower pulley.

greyhd · 07-21-2010, 01:20 PM

+2 on what Steinjr said. If you have the stock lower pulley, you will have to remove it in order to get the old belt off and the new one on. Get an aftermarket lower.

JGsSpcNightRod7 · 07-21-2010, 01:31 PM

Not to sound stupid, but what are the benefits of the aftermarket? and which site/part number should I look up? When I remove the lower pulley, will it be not re-use able?

oki916 · 07-21-2010, 01:40 PM

Quote:

Originally Posted by JGsSpcNightRod7

Not to sound stupid, but what are the benefits of the aftermarket? and which site/part number should I look up? When I remove the lower pulley, will it be not re-use able?

It will be re-usable...its just a pain in the A when you want to get to that belt.

Benifits of the aftermarket pulley, other than ease to work with...would depend on what size you go with...as you will be increasing boost and therefor increasing horsepower. If you change the lower to any size bigger than stock, then make sure you change your plugs and gap them properly at the same time and get a new tune done.

Hoffmann · 07-21-2010, 01:40 PM

Quote:

Originally Posted by JGsSpcNightRod7

Not to sound stupid, but what are the benefits of the aftermarket? and which site/part number should I look up? When I remove the lower pulley, will it be not re-use able?

The OEM is "caged" as you could see looking underneath, well, you will keep the same OEM accessories pulley, but the SC pulley (caged) will be replaced by a interchangeable billet alluminum one, which don't have a cage and you will have the option of different sizes which will alter the boost.
Visit the Supporting vendor section here on the forum, we have many vendors that offer the billet pulley.

JGsSpcNightRod7 · 07-21-2010, 01:43 PM

Thanks guys for the advise...

07-21-2010, 01:10 PM	#1 (permalink)
JGsSpcNightRod7 JGsSpcNightRod7and2002HDF Join Date: Jul 2010 Location: Cary, N.C. Posts: 6 View this user's gallery iTrader: 0 / 0%	How to change the AC serpentine belt, not the SC belt Hey guys/Girls, I have changed a lot of belts in my time, but this one got me. The serpentine belt for the Alternator, is behind the SC belt. I did the normal 1/2" drive in the tenser, starting taking off the belt while the fan and everything else was cutting the out of me. Then starting taking the belt off the pulleys and then a bracket between the crank balancer and the SC crank balancer... I have never seen this before, so I put everything back together, but I really need to change this belt. (which has oops 147K miles on it, no cracking but I am pushing my luck). I guess I have to take the SC serpentine belt off and then take the Alternator belt off (at-least off the pulleys) then loosen the two nuts and one bolt for that bracket? Help me out on this one please, let me know if my logic is going in the right direction. Thanks Johnny PS, i did do a search on this in HNTOC, but came up short. Most threads dealt with the SC belt and changing out pulleys.

07-21-2010, 01:17 PM	#2 (permalink)
steinjr needs more cowbell! Join Date: Sep 2005 Location: Fort Worth, Texas Posts: 3,717 View this user's gallery iTrader: 5 / 100%	You will need to remove the lower pulley in order to get the accessory belt off. This is why so many of us go to an aftermarket "un-caged" lower pulley. __________________ Yes officer... I am aware of how fast I was going! graphic by S\|ck

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07-21-2010, 01:20 PM	#3 (permalink)
greyhd Another member of the BOC Join Date: Aug 2005 Location: So Cal Posts: 2,867 View this user's gallery iTrader: 0 / 0%	+2 on what Steinjr said. If you have the stock lower pulley, you will have to remove it in order to get the old belt off and the new one on. Get an aftermarket lower.

07-21-2010, 01:31 PM	#4 (permalink)
JGsSpcNightRod7 JGsSpcNightRod7and2002HDF Join Date: Jul 2010 Location: Cary, N.C. Posts: 6 View this user's gallery iTrader: 0 / 0%	Not to sound stupid, but what are the benefits of the aftermarket? and which site/part number should I look up? When I remove the lower pulley, will it be not re-use able?

07-21-2010, 01:43 PM	#7 (permalink)
JGsSpcNightRod7 JGsSpcNightRod7and2002HDF Join Date: Jul 2010 Location: Cary, N.C. Posts: 6 View this user's gallery iTrader: 0 / 0%	Thanks guys for the advise...