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11-06-2022, 07:30 PM | #1 |
Senior Member
Join Date: May 2010
Location: Georgia
Posts: 611
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clutch question
If you have the engine on a stand and new clutch on engine and trans bolted up can you use a large wench to disengage the clutch by moving the throw out bearing.Or is the spring pressure of pressure plate too strong without mechanical advantage of the pedal.Don't want to put it in and have to take it out.Thanks
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11-06-2022, 07:55 PM | #2 |
Senior Member
Join Date: Jan 2011
Location: sw minnesota
Posts: 4,591
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Re: clutch question
I have to ask, why would you want to? There's a lot of spring pressure there, you would need to get all 3 fingers pressed evenly at once, for what ?
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11-06-2022, 10:05 PM | #3 |
Junior Member
Join Date: Aug 2013
Posts: 18
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Re: clutch question
Yes you can rotate the shaft. It's pretty stiff but a 18" crescent worked fine.
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11-06-2022, 10:08 PM | #4 |
Senior Member
Join Date: May 2010
Location: Palmer, Alaska
Posts: 1,575
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Re: clutch question
put the trans in neutral, but again why
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11-07-2022, 07:38 AM | #5 |
Senior Member
Join Date: May 2010
Location: Georgia
Posts: 611
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Re: clutch question
Just thinking that everything is installed without trouble.When I installed trans in it was a little tuff to get the trans all the way up.Used to installing a Muncie trans in they go in easier i guess.Had to pull trans up tight to block to get it bolted down.Thanks
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11-07-2022, 05:46 PM | #6 |
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Join Date: May 2010
Location: Yucaipa, CA
Posts: 1,098
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Re: clutch question
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Here's one screwup on a F-600 4X4 with an Allison automatic that wasn't my fault. I had to remove three driveshafts, a PTO, and a transfer case just to get to the 1000 lb. Allison trans. We really did not have the trans jack we should have had for that beast. I had to replace the flex plate that was missing starter teeth. I used a new factory Ford flex plate, pulled out of that bluw oval Ford box and made sure it was the same diameter and same number of teeth. Put it all back together, hit the starter and the ring gear spun off of the flex plate. It was never welded at the factory. I will never install another flex plate without checking the ring gear welds. I should not have installed that transfer case, driveshafts and PTO before testing the starter. With clutches, I install the trans in the vehicle and before I finish putting everything back together, I put it gear and using a pedal jack I push the pedal to the floor. Then I make sure the tail shaft spins easily (in gear). It takes a couple of extra minutes to check that the clutch is completely releasing compared to having to pull it all apart after its completely back together. Here is an example, I just went through this a month ago on my daughter's 2006 Scion TC. She got 150,000 miles out of the original clutch and it still had plenty of lining, I was pretty proud of her. I purposedly bought her this car because someday she will inherit a bunch of manual transmissions in old Fords so she will need to be able to drive them. Her Scion clutch would not release all of the way, you could not get it into any gear, it wouldn't even grind it just would not go into gear. The only way was to shut it off, put it gear and then start it, but you better be prepared for it take off with the clutch in all the way, direct drive. That was how they got it 50 miles to my house, by starting it in gear at each light and then shifting it using the rpm to slip it into the other gears. Everybody including the dealer said it's the hydraulics, but I was pretty positive they were fine. I was getting full travel out of the slave cylinder rod and the system, held pressure. The slave cylinder rod did not drift back in which it would have it there was an internal leak. Then people on the Scion forums said, you need to adjust the pedal travel, which was possible. But first before I go screwing with the factory setup let's see if that clutch is capable of releasing. I took a porta power and installed it where the slave cylinder was, then I jacked that fork back until it bottomed out against the bellhousing, way further than it would normally travel, and it still would not go into gear. That eliminated the hydraulic system. Then people said, it's in the transmission. With the porta power still holding back the clutch fork I disabled the ignition and tried to turn the engine over with the starter and the engine locked up. If it was the trans there is no way the trans should have locked up the engine if the clutch was released. Now I knew it's not the trans, it's not the hydraulics, it's something inside that bellhousing. I really did not want to tear apart a front wheel drive car until I was positive the problem was the clutch. I've never seen this happen before; one of those springs in the clutch disc came out and got wedged between the disc and a flywheel bolt so that the disc was still rotating with the clutch disengaged. |
11-08-2022, 05:49 AM | #7 |
Senior Member
Join Date: May 2010
Location: Cincinnati, OH
Posts: 1,364
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Re: clutch question
If the transmission has a 32-39 type clutch release arm, just put a piece of 2” x 24” or even 30” long pipe on the arm and you’ll have enough leverage to release the clutch. No sense having to fight the spring pressure with a short wrench.
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11-08-2022, 07:56 AM | #8 |
Senior Member
Join Date: May 2010
Location: Georgia
Posts: 611
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Re: clutch question
Thanks it is a 40 trans.I will try when I get back home.I had a hard time getting the trans to close up to the block.
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11-08-2022, 08:09 AM | #9 |
Senior Member
Join Date: May 2010
Location: upstate SC
Posts: 2,976
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Re: clutch question
sounds like the clutch disc was not completely lined up with the pilot bearing, moveing the clutch lever will help with this
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11-08-2022, 09:04 AM | #10 |
Senior Member
Join Date: Jul 2013
Location: Hayward Ca
Posts: 635
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Re: clutch question
NOT to change subject : Has anyone heard of a (VELVET CLUTCH ) . made by a guy in san jose Ca (Greg ) ??????
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11-08-2022, 07:40 PM | #11 |
Senior Member
Join Date: May 2010
Location: Georgia
Posts: 611
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Re: clutch question
I used that plastic line up tool which I don't like those.I will Tru to depress the clutch before I put the engine back in.Thanks
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