Shredded a serpentine belt last night

95blklsc

New member
So my 95 has been retired to winter duty for the past few years. I decided this year, for a few reasons to keep it on the road all year. I just got another set of directional wheels with all season tires so I didn't have to chew up the winters. Also, the car has been sitting unused for about 3 months while I've been too busy with other projects.

One of the big items that I needed to take care of was getting the AC working. I haven't had it working in at least 6 or 8 years. It hasn't been a big deal because for 4 of the past 8 years it was a winter only car. The only things keeping it from working was a leaking high pressure line and needed a few new o-rings. I replaced the line and o-rings this weekend, it held vacuum without a problem with the new parts. AC worked great with a fresh charge.

Last night I was heading back home and I heard a strange sound from under the hood. I expected it to be AC related since I had just gotten the system running. I saw the belt was starting to shred. The ac was running fine, no noise or strange things going on, I did turn it off to take some stress off of the belt. I did notice that two of the bolts on the water pump pulley had backed out completely and were gone, and the remaining two were loose. I tightened the remaining two up with an adjustable I had in the trunk and started to drive the remaining 2 miles home.

About 1000 feet from my driveway the belt snapped, although I got it home without an issue. I took a quick look and it felt like the water pump was hard to spin. I'm suspecting that it is just coincidental that this happened when I serviced the AC. The bolts loosening really surprised me, that is absolutely something that happened in the past few days. It was the first thing I noticed when I opened the hood and I was working on the car this past weekend fixing a vacuum leak issue. More to come when I dig into it tonight.

The ironic thing is I ALWAYS keep a breaker bar, spare belt, flashlight, and a few tools in the trunk. I had just taken them out while I was cleaning the car and had forgotten to put them back in. The ONE time I could have used them.....
 

95blklsc

New member
And then you still had the 1/4 mile down your driveway to your garage... :D

Glad you got the AC working, good luck with the repair Eric.
This is true, making some of the tight corners without power steering is pretty tough with such a heavy car! I did considering just leaving it at the top of the driveway just to minimize any chance of overheating but I decided just to risk it and drive it down to the house. It is a long way to carry tools if I had to fix it up by the road!
 

tbirddmnd

Listening on 141.850 mHz
As for me, all is well! No mixing of oil and coolant anywhere. I followed Driller's advice in post 5 of this thread exactly. No loss of coolant anywhere after topping it off the first time, ran the heater and it comes out nice and hot (windows and moonroof open since it IS summer!). Temp gauge smack in the middle like always and no leaks.

Now I get to drive 2 hours from Grand Rapids back to home on I-96.
 

95blklsc

New member
So I took the shreded belt off, a bunch of belt material was spun around the water pump shaft. After spending some time with a dental pick and a razor I was able to get it all out. The pump spins fine, everything looks ok. For whatever reason the bolts on the water pump pulley backed out, the wobble in the pulley shredded the belt. That water pump has been on there 7 or 8 years at least, I'm not sure why the bolts backed out now. Two were still in the flange but loose, one was flung over by the air filter, and I lost the other one. I had a similar one that was just a little too long, I threw a couple of washers on it for now and put it on the car along with my spare belt. I started it up, no issues, cycled the AC a bit and everything is fine.

I'm guessing that charging up the AC just put enough extra tension and vibration on the belt to make a slightly loose bolt on the water pump pulley just back out. Once that happened everything went downhill pretty fast. Easy fix at least.....
 

SCTBIRD1173

Mark my Bird!
So I took the shreded belt off, a bunch of belt material was spun around the water pump shaft. After spending some time with a dental pick and a razor I was able to get it all out.
Ugh... I don't envy you there. That can be a real time consuming PITA :(

Glad everything seems to be fine!
 

95blklsc

New member
A little update....new belt on and the car seems fine after about 20 miles of driving. I'm really debating on weather I should put some locktite on the water pump bolts now.
 
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