Rough shifting and clunking from 1st to 2nd gear - Defender Source
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  #1  
Old May 3rd, 2012, 09:58 AM
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Rough shifting and clunking from 1st to 2nd gear

I have read several articles on some other sites about people replacing the rear half shafts and resolving this issue. Looking for some input from anyone who has replaced the two rear half shafts and if it was successful or if the issue stemmed more from the drive box.
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  #2  
Old May 4th, 2012, 11:01 AM
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Andrew Clarke
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First of all, I'm not an expert. However, is the clunk only between first and second? If you're not getting it when you start, or between other gears, then it seems to me that the problem might be at least partially in your gearbox.

I have a huge amount of slop in my drivetrain (see http://www.defendersource.com/forum/...ad.php?t=37368 ) but it happens no matter which gears I'm switching through.

- Andrew.
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Old May 4th, 2012, 11:07 AM
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Brian Jones
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Have you checked the A-Frame Ball Joint? I had a bad clunk until i replaced it. I had a sharp clunk when i released the clutch. Also, there is the gearbox output shaft problem as well. All will cause the same problems.
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Old May 4th, 2012, 11:15 AM
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Rough shifting ... do you mean the gears grind when going from 1st to second?
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Old May 4th, 2012, 11:18 AM
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Wouldn't this just be the synchromesh? Bad second synchro - fairly "common" over time.
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Old May 4th, 2012, 11:53 AM
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exactly
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Old May 4th, 2012, 01:02 PM
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Have you checked the fluid in the gearbox?
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  #8  
Old May 4th, 2012, 11:09 PM
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Fluid levels are good. The gears dont grind per say, just a little jolt when the clutch is released. The problem does not seem to be near as severe when I shift at lower rpms. I notice it in 5th gear sometimes also but not quite as bad. Getting it up on a rack Monday to check out some things. I will look into all the things mentioned. Thanks
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Old May 22nd, 2012, 12:28 PM
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FYI realized i was just a bad shifter. If I switch gears below 2k rpm there is no issues at all.
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  #10  
Old May 22nd, 2012, 01:18 PM
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Also check that your drive shaft bolts (1/2") are tight. Mine were loose on the transfer case side and could clunk during shifts.
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