Squealing noise on startup
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Squealing noise on startup
I have an '03 XK8. It's recently developed a squeal that sounds like it's coming from the serpentine belt. It mainly happens when it's cold and then goes away. I've read similar posts that mention timing chain tensioners and an upgrade but I'm not sure when the cutoff is.
Anyway, how hard is it to change the serpentine belt? Is it recommended to change the idler pulleys? It has about 43K miles on it.
If it's as much fun as the ridiculous heater hose, I guess I'll break down and go to the dealer.
-Joe
Anyway, how hard is it to change the serpentine belt? Is it recommended to change the idler pulleys? It has about 43K miles on it.
If it's as much fun as the ridiculous heater hose, I guess I'll break down and go to the dealer.
-Joe
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You can change all in about 30 min from the top and no special tools are required.
Use this link http://www.gusglikas.com/AutoRepairBeltTensioner.htm
Use this link http://www.gusglikas.com/AutoRepairBeltTensioner.htm
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I was about to start this project and I've got the new tensioner, pulley, and belt; however, the tensioner that's on the car looks entirely different than the new one. I'll post an image a bit later but are they supposed to be different?
The new one looks like the one in Gus' article. The one on the car is designed so that the pulley faces the engine block and it has a square hole directly behind the pulley to place a socket wrench to release tension. The new one does not. How do you release tension on the new one?
-Joe
The new one looks like the one in Gus' article. The one on the car is designed so that the pulley faces the engine block and it has a square hole directly behind the pulley to place a socket wrench to release tension. The new one does not. How do you release tension on the new one?
-Joe
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Well, the story of my life continues. Every car I've ever owned was one of those "we've never seen one like that." :-p
Here's the comparrison:
Quite some difference, no? The replacement idler pulley does fit fine but perhaps for some odd reason, they used a different bracket for whatever that is next to where the tensioner goes:
To add to the fun, the replacement belt is too wide. It has six grooves where mine has five. What do others have in the way of grooves?
And for Gus, the gap seems to be about 0.34.
UPDATE:
I ended up going to NAPA to get a belt. They don't show an application in their book, er computer, for '03 XK8; however, since I had the old one, they cross-referenced it to something they did have. For giggles, I asked the guy to look up the tensioner. Interestingly, their computer screen showed the one I have. And surprise, surprise... they didn't have one. :-)
UPDATE #2:
Apparently, the older style only fits up through VIN A30644. So if you have an '03 built after that, you can join me in our special status and we can lord our specialness over the rest of you commoners. ;-)
-Joe
Here's the comparrison:
Quite some difference, no? The replacement idler pulley does fit fine but perhaps for some odd reason, they used a different bracket for whatever that is next to where the tensioner goes:
To add to the fun, the replacement belt is too wide. It has six grooves where mine has five. What do others have in the way of grooves?
And for Gus, the gap seems to be about 0.34.
UPDATE:
I ended up going to NAPA to get a belt. They don't show an application in their book, er computer, for '03 XK8; however, since I had the old one, they cross-referenced it to something they did have. For giggles, I asked the guy to look up the tensioner. Interestingly, their computer screen showed the one I have. And surprise, surprise... they didn't have one. :-)
UPDATE #2:
Apparently, the older style only fits up through VIN A30644. So if you have an '03 built after that, you can join me in our special status and we can lord our specialness over the rest of you commoners. ;-)
-Joe
Last edited by Joe Oliphant; 01-30-2010 at 05:30 PM.
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