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Old 04-27-2010, 12:10 PM   #1 (permalink)
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MDX Serpentine belt install

Hi Guys,

I am having a heck of a time getting the new serpentine belt on over the tensioner. It is the correct belt but it is just slightly to short to get over the tensioner.

Am I wrong trying to get the belt over the tensioner last? Do I have to loosen any of the pulley bolts to get enough slack to slide the belt on? HELP... Thanks.
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Old 04-27-2010, 01:48 PM   #2 (permalink)
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justathought....

Where did you buy the belt? Is it a Honda belt or another brand? Might even be the incorrect belt you were given. It should go on pretty easy once you move the tensioner out of the way and then let the tensioner do its job by letting it spring back in place. I'm not aware that ANYTHING has to be removed. Just move the tensioner out of the way, remove the old belt and install the new one. Pretty simple. If it's that difficult for you I would suspect your belt might be the incorrect belt. You might compare the new belt with the one you took off. Are they relatively the same size? Keep us posted on this because I'm sure there are a lot of folks interested in what you eventually do....and GOOD LUCK!!
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Old 04-27-2010, 02:05 PM   #3 (permalink)
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Re: justathought....

Quote:
Originally posted by ROTORRAY
Where did you buy the belt? Is it a Honda belt or another brand? Might even be the incorrect belt you were given. It should go on pretty easy once you move the tensioner out of the way and then let the tensioner do its job by letting it spring back in place. I'm not aware that ANYTHING has to be removed. Just move the tensioner out of the way, remove the old belt and install the new one. Pretty simple. If it's that difficult for you I would suspect your belt might be the incorrect belt. You might compare the new belt with the one you took off. Are they relatively the same size? Keep us posted on this because I'm sure there are a lot of folks interested in what you eventually do....and GOOD LUCK!!
I used a new Dayco Poly Rib belt # 5060840. It is the correct belt and is known to be a very good replacement. I also measured it against the older belt and they were similar in length. As usual, it is easier to remove then replace something.

I tried again and routed the belt around the tensioner pulley, without loosening the tensioner(belt is not yet fully on the upper pulley, giving you some belt slack). I then turned the tensioner inward with the socket and then with the belt partially around the upper pulley, then at the same time, I also had a socket on the upper pulley nut and gently turned the upper pulley counter clockwise until the belt rolled fully on(was not that tight)....

What a bit**. Dayco must make very tight belts but it now fits and works great. No squeeks like the Acura replacement belt that Acura installed for me 30K miles ago. Thanks.
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Old 04-06-2014, 05:04 PM   #4 (permalink)
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I know this is an old thread, but.....

I tried replacing the old one with a new Dayco(same part# like OP), but no matter how much I tried, I just could not get the new belt on! Had no problem putting the old belt back on.

I just checked rockauto.com(where I bought it), and noticed that the Dayco belt measures 84.00". The next belt on the list was a Gates(part# K060841), which measures 84 5/8". Then there's a Goodyear(part# 4060840), which measures 84.75.
The Dayco is priced at $17.66. And $19.43, and $21.79 for the other 2, respectively.

It was my 1st time messing with a belt with an auto tensioner. But I'm gonna assume that the extra 5/8 or 3/4 from the 2 other belts should help. So I'll stop trying to be cheap, lol, and go ahead and get the Googyear belt.

Wish me luck.
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Old 04-06-2014, 05:40 PM   #5 (permalink)
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BTW, the reason I'm replacing the belt, is that my steering wheel gets really hard to turn.

Whenever I drive for a while(warm engine), and I'm trying to parallel park(where I'm at a stand-still), I can barely get the SW to turn. Only way(trick?) is when I put it in 'P'(or leave it in 'D' and step on the brakes) then rev the engine, and turn the SW, which then turns with ease. SW turns fine in the morning(cold engine).

Could it be the PS pump? But why only when the engine is warm/hot? Help!!
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Old 04-06-2014, 08:44 PM   #6 (permalink)
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Quote:
Originally Posted by vybzkartel View Post
BTW, the reason I'm replacing the belt, is that my steering wheel gets really hard to turn.

Whenever I drive for a while(warm engine), and I'm trying to parallel park(where I'm at a stand-still), I can barely get the SW to turn. Only way(trick?) is when I put it in 'P'(or leave it in 'D' and step on the brakes) then rev the engine, and turn the SW, which then turns with ease. SW turns fine in the morning(cold engine).

Could it be the PS pump? But why only when the engine is warm/hot? Help!!
Your pump is failing. Check Service Bulletin B12-017 for more info.
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Old 04-07-2014, 10:11 PM   #7 (permalink)
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^ Thanks. Will do.
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Old 05-12-2014, 06:39 PM   #8 (permalink)
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Yup has the same issue and had to replace the pump
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