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Diagnosing serpentine belt #4565025
11/05/17 04:32 PM
11/05/17 04:32 PM
Joined: Aug 2010
Posts: 12,906
Northern Kentucky
901Memphis Offline OP
901Memphis  Offline OP
Joined: Aug 2010
Posts: 12,906
Northern Kentucky
As a follow up to me spilling coolant on my serpentine belt on my 2002 Buick Century I was in there pouring some more water while I was running the engine and used a little simple green trying to get it clean and when I was slowly pouring water on my belt it actually completely stopped turning for about 5-10 seconds after I stopped pouring the water but then started to go again eventually. I was able to duplicate the issue every time I poured water into it while running it stopped the belt again.

I'm trying to figure out if it's normal for a serpentine belt to slip and stop turning when it's really wet or if I should just start throwing parts at it like a new belt and pulley.

Previously to me spilling the coolant on the belt I didn't have any issues but now sometimes I notice it's slipping even when I'm driving and not wet from a stop because the power steering has stopped working a few times for a split second until you get above idle.


2012 Chevy Cruze LT 1.4T - 50k
2002 Buick Century 130k - Built 4T65e(Maxlife) - Edge 0w40 + Fram XG3980
Re: Diagnosing serpentine belt [Re: 901Memphis] #4565047
11/05/17 04:58 PM
11/05/17 04:58 PM
Joined: Mar 2017
Posts: 595
West Ma.
rollinpete Offline
rollinpete  Offline
Joined: Mar 2017
Posts: 595
West Ma.
I don't know but you probably just ruined a good belt...


Pete.
97 Ford Expl.Sport 4.0 ohv 4wd 5spddrive185k miles
Last Change;
50/50 QSUD, QSHM. 5w30
Fram xg8a, Fram CA8141

Currently under the influence of oil shocked2

Re: Diagnosing serpentine belt [Re: 901Memphis] #4565063
11/05/17 05:11 PM
11/05/17 05:11 PM
Joined: Apr 2012
Posts: 290
Michigan
researcher Offline
researcher  Offline
Joined: Apr 2012
Posts: 290
Michigan
Originally Posted By: 901Memphis
As a follow up to me spilling coolant on my serpentine belt on my 2002 Buick Century I was in there pouring some more water while I was running the engine and used a little simple green trying to get it clean and when I was slowly pouring water on my belt it actually completely stopped turning for about 5-10 seconds after I stopped pouring the water but then started to go again eventually. I was able to duplicate the issue every time I poured water into it while running it stopped the belt again.

I'm trying to figure out if it's normal for a serpentine belt to slip and stop turning when it's really wet or if I should just start throwing parts at it like a new belt and pulley.

Previously to me spilling the coolant on the belt I didn't have any issues but now sometimes I notice it's slipping even when I'm driving and not wet from a stop because the power steering has stopped working a few times for a split second until you get above idle.



the water would've caused it to slip and more slippage = heat = wear (in my opinion).. I'd probably just replace the serpentine belt with another one. Who knows how contaminated it really got. best to not worry about it and replace it.

I got my recent serpentine belt from rockauto, got a gates brand, excellent so far.. and not expensive!!

Re: Diagnosing serpentine belt [Re: 901Memphis] #4565085
11/05/17 05:33 PM
11/05/17 05:33 PM
Joined: Dec 2014
Posts: 396
Minnesota
2010Civic Offline
2010Civic  Offline
Joined: Dec 2014
Posts: 396
Minnesota
Just replace the belt. They are cheap.


2010 Honda Civic LX
Valvoline SynPower 5w-20 - Honda oil filter
58,500 miles
Re: Diagnosing serpentine belt [Re: 901Memphis] #4565097
11/05/17 05:46 PM
11/05/17 05:46 PM
Joined: Aug 2003
Posts: 12,964
NE,Ohio
Rand Offline
Rand  Offline
Joined: Aug 2003
Posts: 12,964
NE,Ohio
Why would you be cleaning it with it running?

Regardless I think you need a new belt now if you didnt before.


2019 Jeep Cherokee Trailhawk 2.0T
Re: Diagnosing serpentine belt [Re: 901Memphis] #4565101
11/05/17 05:48 PM
11/05/17 05:48 PM
Joined: Nov 2016
Posts: 1,280
WI
HoosierJeeper Offline
HoosierJeeper  Offline
Joined: Nov 2016
Posts: 1,280
WI
I don't think getting it wet would cause it to stop. I've had my Liberty up to the hood in water with nary an issue. I think you might want to replace the belt, and idler pullies (or if you can get a tensioner with the pullies on it, do that).


15 Jeep KL Limited V6: Formula Shell 5W20
07 LR3 SE V8: Maxlife 5W30
05 Jeep KJ Limited: PHM 5W30
96 Jeep XJ Country: STP HM 5W30 (winter)
Re: Diagnosing serpentine belt [Re: 901Memphis] #4565376
11/05/17 10:44 PM
11/05/17 10:44 PM
Joined: Aug 2010
Posts: 12,906
Northern Kentucky
901Memphis Offline OP
901Memphis  Offline OP
Joined: Aug 2010
Posts: 12,906
Northern Kentucky
I'm guessing by looking at the tensioner that it's extended to its max range and the belt is stretched so it's contributing to the slipping.


2012 Chevy Cruze LT 1.4T - 50k
2002 Buick Century 130k - Built 4T65e(Maxlife) - Edge 0w40 + Fram XG3980
Re: Diagnosing serpentine belt [Re: 901Memphis] #4565398
11/05/17 11:04 PM
11/05/17 11:04 PM
Joined: Jan 2006
Posts: 734
Los Gatos CA
djb Offline
djb  Offline
Joined: Jan 2006
Posts: 734
Los Gatos CA
Originally Posted By: 901Memphis
I'm guessing by looking at the tensioner that it's extended to its max range and the belt is stretched so it's contributing to the slipping.


It's worth checking if the tensioner is at its limit, but belts don't stretch significantly. It's been decades since that's been a problem. If the belt is too long, the wrong belt was installed.

Re: Diagnosing serpentine belt [Re: 901Memphis] #4565428
11/05/17 11:32 PM
11/05/17 11:32 PM
Joined: Jan 2007
Posts: 17,501
Clovis, CA
Merkava_4 Offline
Merkava_4  Offline
Joined: Jan 2007
Posts: 17,501
Clovis, CA
I don't see how pouring water on a belt would stop it from turning. Are you saying the pulleys were turning but the belt stayed still ?

Re: Diagnosing serpentine belt [Re: Merkava_4] #4565812
11/06/17 12:35 PM
11/06/17 12:35 PM
Joined: Aug 2010
Posts: 12,906
Northern Kentucky
901Memphis Offline OP
901Memphis  Offline OP
Joined: Aug 2010
Posts: 12,906
Northern Kentucky
Originally Posted By: Merkava_4
I don't see how pouring water on a belt would stop it from turning. Are you saying the pulleys were turning but the belt stayed still ?


Yes the crank pulley was turning but everything else stopped including the belt


2012 Chevy Cruze LT 1.4T - 50k
2002 Buick Century 130k - Built 4T65e(Maxlife) - Edge 0w40 + Fram XG3980
Re: Diagnosing serpentine belt [Re: 901Memphis] #4565905
11/06/17 02:06 PM
11/06/17 02:06 PM
Joined: Aug 2010
Posts: 12,906
Northern Kentucky
901Memphis Offline OP
901Memphis  Offline OP
Joined: Aug 2010
Posts: 12,906
Northern Kentucky
I just tried to duplicate the problem and pouring water on the running belt didn't cause it to stop.

I think maybe the simple green was causing it to slip, but I was trying to clean both sides of the belt just now while it was at idle
with an old cloth and I noticed when I pushed down in the water pump pulley at first with the cloth I could cause it to stop rotating if I pressed hard enough, but after a few passes with the cloth and cleaning the face of the pulley and both sides of the belt, I got lots of black gunk off the belt and I can't cause the water pump to stop with the cloth anymore, so maybe it was just dirty?

I need a few dry days to see what happens, but I think I might be fighting another issue, I have a hunch that the water pump is slowly leaking coolant onto the belt, but I need everything to dry up so I can make sure there's no leaks, because I did just replace the radiator and don't know if everything's good yet.


2012 Chevy Cruze LT 1.4T - 50k
2002 Buick Century 130k - Built 4T65e(Maxlife) - Edge 0w40 + Fram XG3980
Re: Diagnosing serpentine belt [Re: 901Memphis] #4565909
11/06/17 02:10 PM
11/06/17 02:10 PM
Joined: Jan 2008
Posts: 10,802
OH
SatinSilver Offline
SatinSilver  Offline
Joined: Jan 2008
Posts: 10,802
OH
How old is the current belt?

Re: Diagnosing serpentine belt [Re: 901Memphis] #4565911
11/06/17 02:19 PM
11/06/17 02:19 PM
Joined: Aug 2010
Posts: 12,906
Northern Kentucky
901Memphis Offline OP
901Memphis  Offline OP
Joined: Aug 2010
Posts: 12,906
Northern Kentucky
For the past few months before I replaced the radiator I have been adding Distilled water only waiting to have time to replace the radiator, but I'm guessing the entire time the radiator was leaking the water pump was leaking too, well as soon as I put the new radiator in and filled it with real coolant, the water leaking on the belt now became a coolant mixture, so I think I need to replace the water pump for sure.


2012 Chevy Cruze LT 1.4T - 50k
2002 Buick Century 130k - Built 4T65e(Maxlife) - Edge 0w40 + Fram XG3980
Re: Diagnosing serpentine belt [Re: SatinSilver] #4565914
11/06/17 02:22 PM
11/06/17 02:22 PM
Joined: Aug 2010
Posts: 12,906
Northern Kentucky
901Memphis Offline OP
901Memphis  Offline OP
Joined: Aug 2010
Posts: 12,906
Northern Kentucky
Originally Posted By: SatinSilver
How old is the current belt?


I haven't replaced it in 5 years of ownership


2012 Chevy Cruze LT 1.4T - 50k
2002 Buick Century 130k - Built 4T65e(Maxlife) - Edge 0w40 + Fram XG3980
Re: Diagnosing serpentine belt [Re: 901Memphis] #4565928
11/06/17 02:43 PM
11/06/17 02:43 PM
Joined: Jan 2008
Posts: 10,802
OH
SatinSilver Offline
SatinSilver  Offline
Joined: Jan 2008
Posts: 10,802
OH
It could be the original one then unless you have invoices/records that prove otherwise. You can get a decent belt for around $25. Add $40 for labor if you don't install it yourself. Any cracks on either side of it?

edit: This may help as well.

Originally Posted By: Trav
All the major players are good but as critic said its about fit some are not quite on the money. stay away from their second tier offerings like Drive works (Dayco) the quality drops off noticeably.
Bando and Mitsuboshi (not Mitsubishi) are my favorite belts for Asian cars, the Dayco W belt and ACDelco fits German and US cars well, NAPA, Conti and Gates are good belts but the sizing seems to be all over the place.
Kind of a blanket statement but they seem to either fit perfectly or are an absolute bugger to get on or a little loose depending on the make and model.
Just my personal experience.

Last edited by SatinSilver; 11/06/17 02:52 PM.
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