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10-25-2013, 12:49 PM
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#1 |
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Another Day, Another Dollar
Join Date: Nov 2008
Location: North Vancouver, BC
Posts: 1,316
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Th400 shudders in reverse
Hey,
I had my th400 rebuilt a few years ago and then I parked the truck for a while. Probably less than 15000km's since then. I noticed while backing up the driveway the other day that the tranny was shuddering pretty bad. I've only noticed it occurring in reverse so far. What do you guys think? 454/th400/np203 with some sort of shift kit
__________________
-78 K20 Cheyenne 454 long box, 4" lift, 35" MT's, '84 cab, '80 box "its hip to be square" 
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10-25-2013, 05:30 PM
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#2 |
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Registered User
Join Date: Jul 2005
Location: CT
Posts: 277
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Re: Th400 shudders in reverse
Start by checking the fluid level
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10-25-2013, 06:57 PM
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#3 |
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Wide n'Low
 
Join Date: Jan 2007
Location: La Center, WA
Posts: 1,511
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Re: Th400 shudders in reverse
bingo, one of the most common symptoms..
__________________
Trippin Hazard.. 67 swb, Gold Member.. 68 Suburban Air Force Retired |
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10-29-2013, 03:39 PM
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#4 |
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Another Day, Another Dollar
Join Date: Nov 2008
Location: North Vancouver, BC
Posts: 1,316
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Re: Th400 shudders in reverse
thanks, I'll have a gander. there has been tranny fluid in small concentrations on my tranny pan over the last while. Do these things take dexron or mercon?
__________________
-78 K20 Cheyenne 454 long box, 4" lift, 35" MT's, '84 cab, '80 box "its hip to be square"
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10-29-2013, 05:25 PM
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#5 |
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Registered User
Join Date: Aug 2009
Location: S.C.
Posts: 1,593
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Re: Th400 shudders in reverse
Dextron (dex III)
__________________
'86 C-30 dually, 454/tbh400 '73 K-20 350/350/205 (sold  )I'm kinda like duct tape- no real purpose, but handy to have around. |
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