Question about Chevrolet Cars & Trucks
Belt comes off in water puddles
Posted by Anonymous on
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Posted on Jan 02, 2017
I have had the same trouble with my 2002 zx2. I have had to reinstall or replace the serpentine belt 4 or 5 times in less than a year. I have replaced the idler bearing and then the water pump went out which took out the belt as well. The belt still came off after replacing those items when I hit another puddle of water. I found that proper installation of the plastic engine splash guards which bolt to the bottom around the motor play an important roll in keeping out road water. Since the pulleys are accessible with the right front tire removed, I focused on securing the plastics tightly around the wheelwell framework. This has helped extremely in keeping water away from the pulleys. I haven't had any more troubles in the last 7 or 8 months. I'm still leary when driving in the rain as the routing of the serpentine belt on this car is the worst I've ever encountered.
Bottom line, check/replace idler bearing, tensioner if needed and make sure all plastic splash guards are there and properly screwed to the frame and each other.
Hope this helps.
Posted on Feb 14, 2009
This is one of theose questions that I had to research over and over again for the same problem I had. I had a 1998 voyager and a 1998 caravan ,same van right? The voyagers belts would always come off when I hit a puddle of water hard enough or a fair amount of snow. The caravan was fine never had a problem. What I found out by researhing the problem is that the bottom crank wheel is the problem. For some reason they used two different types for the caravan and voyager. the crank wheel on the caravan actually has deeper grooves on it so the belt does not slip off the wheel as easy. I had to replace the wheel with one from a caravan and it fixed the problem. Another solution is to make sure the plastic housing on the bottom of the engine (splash guard) is intact and is tight to keep the water out. If you have a spot where the water can spray up and hit the belt on the bottom wheel seal it so it cannot hit it anymore. Make sure your belt is tight with the correct amount of play and replace the tentioner if needed.
Best of luck
Posted on May 28, 2009
The serpentine belt on my 2001 Beetle loops around the outside of the large pulley closest to the firewall, at the bottom, then goes around the outside of the forward lower pulley, then crosses to the inside of the one right above the forward lower pulley, then loops over the outside of the alternator pulley at the top front side, then goes inside under the tensioner pulley, and back down to the outside of the big rear pulley.
I hope that description makes sense. A picture would work a lot better, but I don't have an easy way to post it. Also, I know you asked about the '99 Beetle, but I assume its routing is the same as the 2001 (which is the one I have).
Posted on Sep 14, 2009
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