Driveline issue - Defender Source
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  #1  
Old January 29th, 2015, 09:52 PM
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Driveline issue

I drove my 110 v8 on the highway today to a meeting in the mountains. I noticed that when going up a moderate grade the truck felt like the driveline was disengaging. Nothing major just slight feeling of disengagement and then re-engaging. Engine was fine and never skipped a beat. I recently had the r380 and lt230tc installed along with new clutch. Has anyone experienced this? I recently serviced both diffs and installed a new rear driveshaft. Truck cruises at 65-72mph, however,I just noticed this weird phenom today. I drove 3hrs round trip. Any ideas?
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  #2  
Old January 29th, 2015, 10:40 PM
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Hmm, like the slutch was slipping? How's the rubber flex hose on the bulkhead? How much free play is in rod on the MC? How many miles on the new clutchh? Who did the install?
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  #3  
Old January 29th, 2015, 10:53 PM
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Clutch slipping? Is there some free play on the clutch pedal?

Just running out of power? Plugged fuel filter?
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  #4  
Old January 30th, 2015, 01:01 AM
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any sign of an oil drip from the bell housing drain hole ?
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  #5  
Old January 30th, 2015, 09:34 AM
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Thanks

Thanks for the responses, I am going to put it on a rack tomorrow and check everything out. The work was done by Brian K/Brewie. I will follow up and let you know what I find.
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  #6  
Old February 7th, 2015, 08:38 PM
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Here are some pictures of the custom R380 and t/c custom install, not sure why they did not use the correct mounts. Hell, the holes are already pre-drilled in to the frame. No doubt that this is a contributing factor to my issues with the driveline. Also, check out the custom fab work on the trans tunnel - ouch.
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  #7  
Old February 7th, 2015, 10:09 PM
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Additional pic

Pretty interesting
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  #8  
Old February 7th, 2015, 10:21 PM
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Who did the "custom" work? Obviously that install is far from correct.
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Old February 7th, 2015, 10:25 PM
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We did the install, I'm am not happy how it went. Customers budget did not allow for new seat box and I was told to get the f/$; truck done. That is the first that I saw those bs mounts. There are no excuses for those and I will talk to my tech monday.. The truck came in and I never had a chance to put the truck up in the air before the customer picked it up. Will you could have contacted me and we could have resolved this but for some reason you decided to bring it here. That's fine, good luck with the truck it's looking good minus those mounts... I'll see if I can order you a correct set and mail them to you.
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Old February 8th, 2015, 08:27 AM
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Driveline issue

Your comments are not accurate. I am not trying to turn this in to a customer complaint thread, clearly I have found the driveline issue.

Anyway, I believe that you underestimated this work and that you did not know what you were doing. Pictures validate this.

I am just trying to prevent this kind of thing from happening to other unsuspecting board members. I appreciate your apologies in the form of email and text, however; actions speak louder than words.
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  #11  
Old February 8th, 2015, 08:46 AM
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Bottom line I offered to fix this, he declined... I will make sure something like this never happens again. That's all I can say, it's not right and I would be pissed as well. It concerns me that my tech thought it was ok, so I will be dealing with this next week. Will, I really hope you enjoy your truck it really has come a long way.
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  #12  
Old February 8th, 2015, 10:09 AM
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Will, I don't see any relation between the transmission crossmember install and your clutch slipping symptoms. This is yet another issue to sort out again. Do you mind sharing what what replaced on the clutch system? Primary and secondary cylinders, hoses, pressure plate, throw out bearing, surfaced flywheel, etc.
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  #13  
Old February 8th, 2015, 10:13 AM
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I'm confused as well. What in those photos has to do with the problem you describe?
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  #14  
Old February 8th, 2015, 10:31 AM
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Driveline issue

Sorry for any confusion, bottom line is that I am having issues with the driveline and I had a significant amount of work done that is questionable. The R380 was not installed properly and the clutch was also installed at the same time. Anyway, I will get to the bottom of the clutch problem, it is making a lot of noise going in to and out of gear. Brian can probably shed more light on what he did or did not do.

Regarding the transmission install, Brian did offer to send me the mounts and he offered to fix the clutch. I turned down the offer to work on my truck.
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  #15  
Old February 8th, 2015, 10:48 AM
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Quote:
Originally Posted by Brewie212 View Post
Customers budget did not allow for new seat box and I was told to get the f/$; truck done.
Does this not account for the way the driveline is installed?

.
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  #16  
Old February 8th, 2015, 11:01 AM
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Not accurate

The no budget comment is totally inaccurate. Initially I was told that the trans tunnel could be fabricated. No big deal. In the end I paid about 35% more than what was estimated. Anyway, time to turn the page. I will post my findings specific to the clutch.
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  #17  
Old February 8th, 2015, 11:45 AM
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Did you verify that there was free play in the clutch and this is not a simple adjustment issue?
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  #18  
Old February 8th, 2015, 12:14 PM
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From a clutch standpoint, the disengagement could only be slippage as far as I can think--and that means one of several things including incorrect/insufficient pressure plate, worn clutch plate (not likely), contaminated clutch, or clutch pedal not fully disengaging. Of these, I would say the most likely are contaminated clutch plate or possibly incorrect pressure plate (not enough force) that only slips when under extreme load.

But that doesn't rule out a non-clutch related issue that replicates that feeling. There are some things that I feel could also feel that way that are engine related---such as when the zener diodes were failing in my alternator bleeding AC into my electrical causing my injectors not to fire--it felt like a brief "stumble" but it only felt that way, there was no discernible audible "stumble", just the feel.

So definitely check out the clutch, but don't become too narrow focused to take the other things into account.
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  #19  
Old February 8th, 2015, 10:24 PM
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nice
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