2 speed rear
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Mountain Pass
Joined: Nov 2005
Posts: 206
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From: Baltimore,Md.
2 speed rear
Hi I have a 1990 F-800. When I shift the 2speed the slide block breaks. I replaced it and it does it again. What does this mean? What should I be looking at.? does it mean the rear needs to be rebuilt? Does it mean the fork is bent and if it is how do I check to se if it is before I tear the rear out?
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Joined: Apr 2004
Posts: 34,533
Likes: 2,835
What is your axle code on the certification label? We can find out the make/model on the axle and look for info from that.
IIRC and as long as I've been on this forum, you are the first person with a broken part in a two speed. Lots of gummed up old ones, bad motors, missing vacuum lines etc on old trucks, but nothing broken like this.
Since it's a '90 we know it's not an old vacuum shifted Eaton under truck that sat out for 30 years.... but we need that make and model to go further.
IIRC and as long as I've been on this forum, you are the first person with a broken part in a two speed. Lots of gummed up old ones, bad motors, missing vacuum lines etc on old trucks, but nothing broken like this.
Since it's a '90 we know it's not an old vacuum shifted Eaton under truck that sat out for 30 years.... but we need that make and model to go further.
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