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Aug 24th, 2023
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Joined: Apr 2014
Posts: 5,181 Likes: 2
Charter Member
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Charter Member
Joined: Apr 2014
Posts: 5,181 Likes: 2 |
.+8 Now gone for a 1800 4/4. Duratec in bright yellow.
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Joined: Jul 2016
Posts: 128
L - Learner Plates On
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OP
L - Learner Plates On
Joined: Jul 2016
Posts: 128 |
Check the rubber at the front of the bonnet by the cowel where it touches the front of the body, if it's missing it will squeak like this, check the cap screws under the bonnet that secure the body, again these can model slightly loose and allow the body to move. Try fdriving it with the bonnet off, you might get a clue. Had all the above, all quiet now Will check this today. As it is just a single, loud squeak - it does sound like body panels working against each other. Could not find anything in the front suspension that seemed loose or worn (only about 2K miles on it) and the drive belt looks centered, no dramatic wear of the cogs.
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Joined: Jan 2015
Posts: 240 Likes: 3
L - Learner Plates On
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L - Learner Plates On
Joined: Jan 2015
Posts: 240 Likes: 3 |
I had exactly that when it went over a bump, drove me mad. Turned out the cap screws that hold the body on under the bonnet were not fully tight. Tightened them and it's stopped. Good luck
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Joined: Jul 2016
Posts: 128
L - Learner Plates On
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OP
L - Learner Plates On
Joined: Jul 2016
Posts: 128 |
Finally took my M3W to the local dealer. Relatively quickly he diagnosed the problem to be a drive belt that was looser than factory recommendations, so that was rubbing on the small aluminum stone guard just in front of the rear tire.
Some posts on TalkMorgan had recommended adjusting the belt so you can twist the belt 90 degrees....in hopes of protecting the bevel box. I had loosened mine to be able to twist somewhat less than 90 degrees, but still more than the way it came from the factory.
Dealer claims that the bearings, etc., in the bevel box are so robust, that protecting them simply isn't a worry unless you tighten the belt crazy tight. According to him, 10mm flex or movement at the center of the belt is proper.
Problem solved.
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Joined: Feb 2016
Posts: 306
Learner Plates Off!
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Learner Plates Off!
Joined: Feb 2016
Posts: 306 |
Glad they got it sorted, and thank you for the follow up on it. 10mm deflection is an easy enough rule of thumb to keep in ones noggin.
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Joined: Jul 2015
Posts: 2,539
Talk Morgan Expert
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Talk Morgan Expert
Joined: Jul 2015
Posts: 2,539 |
What is the correct belt tightness spec? I know my dealer said mine shipped too tight, but I do not know what spec they were using.
kirkusblog.com
2016 M3W John A Prestwich Special
1952 Ford 8N
1968 Honda CL175,and 2018 Ural Retro
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Joined: Oct 2013
Posts: 6,723 Likes: 2
Talk Morgan Sage
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Talk Morgan Sage
Joined: Oct 2013
Posts: 6,723 Likes: 2 |
Finally took my M3W to the local dealer. Relatively quickly he diagnosed the problem to be a drive belt that was looser than factory recommendations, so that was rubbing on the small aluminum stone guard just in front of the rear tire.
Problem solved.
Good lad.. It's a sod to diagnose but when you've heard it once..
Steve
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Joined: Jul 2016
Posts: 128
L - Learner Plates On
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OP
L - Learner Plates On
Joined: Jul 2016
Posts: 128 |
What is the correct belt tightness spec? I know my dealer said mine shipped too tight, but I do not know what spec they were using. As noted above, 10mm movement in the middle of the belt. It seems tight, but since the belt isn't actually pulling inward (stretching), it is simply tight enough.
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Joined: Feb 2019
Posts: 3,854 Likes: 2
Talk Morgan Addict
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Talk Morgan Addict
Joined: Feb 2019
Posts: 3,854 Likes: 2 |
Check the rubber at the front of the bonnet by the cowel where it touches the front of the body, if it's missing it will squeak like this, check the cap screws under the bonnet that secure the body, again these can model slightly loose and allow the body to move. Try fdriving it with the bonnet off, you might get a clue. Had all the above, all quiet now Will check this today. As it is just a single, loud squeak - it does sound like body panels working against each other. Could not find anything in the front suspension that seemed loose or worn (only about 2K miles on it) and the drive belt looks centered, no dramatic wear of the cogs. I believe I just found another source of squeaks. It is the panel that attaches to the cowl covering the electrics and the behind the dash area. ![[Linked Image]](https://www.tm-img.com/images/2020/08/24/Squeak.jpg) This appears to be the source of the tinny high pitch bird sound. I will cover in leather or the tape that is on the front of the bonnet.
The light at the end of the tunnel is actually a train. 2019 M3W
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