Drive shaft play.... - Ford Powerstroke Diesel Forum

 
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post #1 of 10 Old 08-01-2010, 04:51 PM Thread Starter
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Drive shaft play....

If I put the truck in neutral, set the E brake, let the weight of the truck rest on the E Brake, then put her in park.

I crawled under the truck and turned the drive shaft to see how much play I have in it. There's not much, but there is a slight bit of play. Is there allowed to be any play in there, or are they supposed to be snug as a bug in a rug?

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post #2 of 10 Old 08-01-2010, 04:53 PM
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is the play rotational??

1995 F350 CCLB DT360/Allison
1997 F350 RCLB 460/E40D
2001 Jetta TDI 5spd (51mpg work beater)
1995 F350 CCLB 2.5 tons/57s Front, 53s Rear
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post #3 of 10 Old 08-01-2010, 05:13 PM Thread Starter
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the play is rotational. All the joints seem to be snug and free of play, so I'm not sure where the play is...

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post #4 of 10 Old 08-01-2010, 08:49 PM
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there is supposed to be SOME rotational play but only enough to just barely feel. if it is anything more than that you have to pull your rear diff cover off, loosen the bearing caps and there will be nuts on either side of the carrier. you will have to adjust those nuts to move the carrier side to side to tighten up the driveline play. once you get it so there is only enough to feel it when twisting the driveshaft tighten down them bearing caps and thn check again. repeat until its right. this is the not so proper way to do it but it works well. you are supposed to use a special caliper to properly set the rear end backlash but this technique will get ya set up. regards

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post #5 of 10 Old 08-02-2010, 01:59 AM Thread Starter
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Many thanks dude!

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post #6 of 10 Old 08-02-2010, 02:10 AM
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yep. did the same with mine some months ago tryin to figure out a vibration. not much play at the joint at the carrier bearing.

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post #7 of 10 Old 08-02-2010, 02:36 AM
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Cool info, I have seen the bearing caps(4 bolts) what are the nuts you adjust to move the carrier??
thx

2008 6.4 f250 lariat 4wd
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post #8 of 10 Old 08-02-2010, 05:37 PM
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the nuts should just be on the outsides of the bearing caps. i havent tore down one of these rear ends yet but every other rear end i have tore down has em. sometimes they can be under the bearing caps too. if they are you can only loosen tha caps a little and then use a pick or angled needle nose to spin them

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1997 F350 RCLB 460/E40D
2001 Jetta TDI 5spd (51mpg work beater)
1995 F350 CCLB 2.5 tons/57s Front, 53s Rear
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post #9 of 10 Old 08-02-2010, 05:44 PM Thread Starter
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Quote:
Originally Posted by swamp_ratt View Post
the nuts should just be on the outsides of the bearing caps. i havent tore down one of these rear ends yet but every other rear end i have tore down has em. sometimes they can be under the bearing caps too. if they are you can only loosen tha caps a little and then use a pick or angled needle nose to spin them
Thanks for the info, I'll have to do this.... thx

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2004 F250 Super Crew FX4 Powerstroke
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post #10 of 10 Old 08-02-2010, 05:46 PM
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yeah no problem. what we all here for

1995 F350 CCLB DT360/Allison
1997 F350 RCLB 460/E40D
2001 Jetta TDI 5spd (51mpg work beater)
1995 F350 CCLB 2.5 tons/57s Front, 53s Rear
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