'89 M5OD2 Transmission Problem
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Joined: Jul 2008
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'89 M5OD2 Transmission Problem
I'm trying to decide if I want to save my Ford or let it go.
1) The transmission is close to junk. Slips out of 5th on the highway and 2nd if I'm on back roads.
2) It's leaking transmission fluid now but not sure where (maybe here? M5OD Mazda Design Manual Five Speed Transmission Preventative Measure .: Articles)
3) The clutch pedal goes to the floor but I made that slightly better by changing the master cylinder and flushing the fluid. But I think there is still too much free travel.
How much does the transmission weigh? Is it a one man job to replace it? Whats the cost for a used transmission? I've called around to a few places but noone's got one or will admit to it.
1) The transmission is close to junk. Slips out of 5th on the highway and 2nd if I'm on back roads.
2) It's leaking transmission fluid now but not sure where (maybe here? M5OD Mazda Design Manual Five Speed Transmission Preventative Measure .: Articles)
3) The clutch pedal goes to the floor but I made that slightly better by changing the master cylinder and flushing the fluid. But I think there is still too much free travel.
How much does the transmission weigh? Is it a one man job to replace it? Whats the cost for a used transmission? I've called around to a few places but noone's got one or will admit to it.
Post Fiend
Joined: Jan 2005
Posts: 8,402
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Hydraulic Clutch Troubleshooting .: Articles Have a look here for clutch problems. Also check firewall for cracking/flexing.
Oil leak probably is the rubber plugs.
I have pulled and refitted othe manual transmissions on my own but never a Mazda. It is one of those jobs that one extra person makes it ten times easier.
Can`t help on price or availability of used trans.
Oil leak probably is the rubber plugs.
I have pulled and refitted othe manual transmissions on my own but never a Mazda. It is one of those jobs that one extra person makes it ten times easier.
Can`t help on price or availability of used trans.
Junior User
Joined: Feb 2008
Posts: 80
Likes: 5
I just changed mine. Shipping weight listed as 128 lbs but it seems to weigh a bit under 100 lbs. I got mine from Rebuilt manual transmissions, transmission parts and I felt like I got a good deal and they made it easy on me. Also, I just posted that they sent a unit that they upgraded from the rubber plugs that killed mine to steel freeze plugs. It took me about 8 hours start to finish, but I had done the clutch about two years ago and it was not a new adventure for me. Change the slave cylinder at the same time while you have the unit out.
Elder User
Joined: Nov 2006
Posts: 973
Likes: 2
From: Texas
I pulled mine by myself. Its a good idea to remove the trans tunnel to gain access to the top. Remove the cross member bolts and bell housing bolts then slid it backward from inside the cab and get the gap big enough to get your fingers inside the bell housing then pull it off and lower the front down. The take the cross member off and lower the rear. Easy.
Getting it back in will need a transmission jack and a friend. Its just hard to get it lined up by yourself
Getting it back in will need a transmission jack and a friend. Its just hard to get it lined up by yourself
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