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Discussion Topic:
Clutch issue
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ken ct. |
02-20-2017 @ 9:10 AM
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Senior
Posts: 1513
Joined: Jan 2010
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That pic you show lists it as 32-36 mount. (not 47 Merc) Part # B-6038-K. below that he lists exlong bolts. Is it possible you have mismatched 1 or more or wrong bolts ???? ken ct.
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len47merc |
02-20-2017 @ 8:52 AM
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Senior
Posts: 1165
Joined: Oct 2013
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Well now - isn't this a fine how do you do. The shoulder on the 'correct' motor mount bolt on the right in the photo is 1/4" longer than that of the original motor mount bolt on the left. And it is 1/4" longer than what the same supplier of the same mount has in stock currently. Lovely. Glad I have saved all my original parts and invoices. Steve
This message was edited by len47merc on 2-20-17 @ 8:54 AM
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len47merc |
02-20-2017 @ 8:27 AM
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Senior
Posts: 1165
Joined: Oct 2013
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TomO - you were responding as I was typing my earlier response. My mounts have all the parts shown in the image you sent. You answered my question and strong suspicion that both the top and bottom mounts should be compressed. Can't believe I've missed this but given the top bushing has been properly compressed (bolt & weight of the engine) the assumption has been the bottom was correct as well. Feeling a bit foolish here though I never had reason, given this, to crawl under the car and check the bottom bushing. On the phone with Carpenter (again) now.
Steve
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len47merc |
02-20-2017 @ 8:19 AM
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Senior
Posts: 1165
Joined: Oct 2013
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Ken - I don't think it's the clutch and something else must be at play. 40cpe - I will reply here when I'm through with diagnosing and correcting any associative problems I may find, and will respond with the results of each 'correction' before proceeding to the next. Have yet to reassemble the motor mounts or drive the car. Ok - (stupid) question of the day: Is the bottom motor mount bushing supposed to be appropriately compressed when properly installed or loose with approximately 1/16" - 1/8" inch of vertical travel? Believe it or not, depending upon the supplier I've called with this question responses have run the gambit from 'yes', 'no', 'not sure' to 'no one's ever asked the question'. The reason for asking is the shoulder on the shoulder bolt that holds the entire Dennis Carpenter mount together strikes home on the steel washer located above the top bushing and below the water pump mount flange. The opening in this top washer is of a smaller diameter than that of the shoulder of the mount bolt. Basically once that happens the 1 1/16" hex head of the bolt below the bottom bushing has no further available vertical travel, leaving the bottom bushing with the mentioned play. This renders the bottom bushing more of a loose bump stop than a compressed motor mount bushing. I never noticed this before but perhaps it is as 'supposed to be'?!?!?! (if so - really?)
Steve
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TomO |
02-20-2017 @ 8:12 AM
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Senior
Posts: 7244
Joined: Oct 2009
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Steve, do you have all the washers for the mounts? The lower cushion should not be free to move. I can only think of one reason that it would change and that is the lower bushing was not correctly seated when you tightened the bolt or that you are missing one of the washers. https://www.bobdrake.com/FordItem.aspx?Item=B-6038-K
Tom
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ken ct. |
02-20-2017 @ 7:02 AM
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Senior
Posts: 1513
Joined: Jan 2010
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Steve first time ive ever heard of this from a FW clutch. Have one in my 36 over 10 yrs now and smooth as silk as the day it went in. ???? ken ct.
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40cpe |
02-20-2017 @ 6:38 AM
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Member
Posts: 472
Joined: Jan 2010
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Yeah, I was wondering if tightening them solved the chatter. Please keep us posted.
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len47merc |
02-19-2017 @ 12:56 PM
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Senior
Posts: 1165
Joined: Oct 2013
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40cpe - I think I know why you asked that question - now - but I have yet to tighten them. I actually removed the bolts to inspect them, but am questioning whether it may be normal to have that amount of play in the bottom bushings. Top bushings were appropriately tightened. Have some research to do here and personal education.
Steve
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40cpe |
02-19-2017 @ 12:30 PM
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Member
Posts: 472
Joined: Jan 2010
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And after you tightened the front mounts?
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len47merc |
02-19-2017 @ 12:27 PM
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Senior
Posts: 1165
Joined: Oct 2013
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Thanks guys. Rear shocks and links are strong and solid. Can't say the same for the front motor mounts - I could rotate the bottom bushing on both sides they were so loose, approximately 1/16" - 1/8" vertical play in both. I had checked them before the trip to Gettysburg last year and they were fine then. Weird they both were so loose now - installed new about 8,000 miles/3 years ago. Trying to figure this out - they were clean and no oil leaks anywhere to affect them, so why did they get so loose over an ~3 month storage period - ? Rear mount was fine/tight. Tom gets the prize today. Thanks to you both -
Steve
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