89 F-250 5 Speed Jumping Out Of Reverse.

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Dec 7, 2008 | 03:25 PM

herothc2003

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89 F-250 5 Speed Jumping Out Of Reverse.

Just wondering if anyone ever had this problem. I've got a 89 F-250 4x4 w/ a 5 speed. I just got it and the tranny is jumping out of reverse. A new clutch was just installed by a friend,not a shop, and benn popping out ever sence.

Dec 8, 2008 | 11:29 AM

85e150

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Recheck the shifter installation perhaps?

Since it started after the recent work, that seems the most obvious.

Jumping out can also be shaft wear, but that's usually forward gears.

Dec 9, 2008 | 06:39 PM

herothc2003

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Thanks, I'll get the truck this week and check the shifter installation. I've never been in one but there's a first time for everything. Any hints what to look for?

Dec 10, 2008 | 08:01 PM

herothc2003

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Also found out that it will not go into OD either. I'm thinking something is definately got crossed up when the guy put the shifter back in. Anyone ever seem this before?

Dec 11, 2008 | 05:25 PM

herothc2003

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M5R2 tranny, will not stay in rev. and will not go in OD. I took the top off and everythink was linned up right but the rev/ OD shifter just will not go into OD no mater what. Tried to turn the final drive while trying to get in to go in OD, no luck. It see the gear going from rev. to the neutral pos. and thats were it stops and it feels like the shift forks are hitting another gear or something. It looks like I may have to replace the rev/OD gears/ slider assembly. I researched and found that the M5R2 was bad for that for a few years until FORD revised it. ANY ONE ELSE BEEN IN MY POSITION? Just wondering if I need to repair or REPLACE?

Dec 11, 2008 | 05:45 PM

85e150

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Some sites refer to this as the 'M5R2', but what I think you have is a ZF trans. Pics here:

Domestic Truck Tranny Guide

Here, 'M5OD' is generally used to designate the Mazda 5 speeds. An F250 would have the ZF.

There are some ZF rebuild threads here, perhaps you can find some info or links there. Sorry I can't be more help.

Dec 11, 2008 | 07:00 PM

herothc2003

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The M5R2 is what I have in my 89 f-250 4x4 5.0

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Dec 14, 2008 | 03:25 PM

herothc2003

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Thanks.....

Dec 15, 2008 | 12:04 AM

#10

85e150

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Google "transmission re---" and before you can finish "transmission rebuild kits" find this and a host of others. Good luck with it.

Transmission | Manual transmission parts, rebuild kits and overhaul parts quality part at discounted prices!

There is also a Ford parts guy here, you could go through him for the kit.

FTEPartsGuy.com

See post number 2 here regarding who this guy is, etc, along with other parts banter:

https://www.ford-trucks.com/forums/8...ing-parts.html

Dec 19, 2008 | 07:33 PM

#11

herothc2003

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It was the OD/ Rev. slider ring gear that the rev. side was chewed down and not letting the ring slide to go into rev or od at all. Replaced it along with a new lower shift boot kit and it shifts like a dream!