Will a manual trans from a 2009 4.0 work with my 88 2.9L with the FM146?


Joined
Feb 13, 2026
Messages
1
Points
1
City
Sydney Mines
State - Country
NS - CAN
Vehicle Year
1988
Vehicle
Ford Ranger
Drive
4WD
Engine
2.9 V6
Transmission
Manual
Tire Size
235/75/r15
So I recently acquired a 1988 xlt 2.9 that was originally auto that the guy before me swapped to the fm146 and I believe it’s going bad. He put a clutch and slave in it, (doesn’t seem like he did flywheel though) and I have a grinding noise in all gears except 4th and it also does it idling in neutral but goes away when I push the clutch down. From the research I’ve done so far on this website it seems like the ball bearings inside are likely worn and I know that the reason it doesn’t do it in 4th is because it’s the 1:1 ratio. I’ve also learned I can swap in a M5OD-R1from a 90s-2000s ranger and it’ll bolt up to my 2.9 as they use the same block as the 4.0 OHV. I have a buddy with a manual trans from his ‘09 4x4 4.0 SOHC and I know those ones seemed to use the M5OD-R1HD, so I’m wondering would that trans work with my 2.9 if I want to swap it? Or do I need to use the M5OD-R1
from the 4.0 OHV? I am a third year diesel truck mechanic and know my way around transmissions and have done several clutches and input shafts on freightliners and Mack’s and I’ve done a clutch in my 07 2.3L 2wd Ranger so I’m not completely opposed to getting a kit to rebuild the current FM146 that’s in my 88 now, but I’ve never done a trans rebuild and it does seem a bit daunting and whereas the M5OD-R1 is more reliable I’d feel it would be better to swap it. I’m sure there’s some info on this question already on here but I couldn’t exactly find the answer but I’m sure I could if I looked harder I could find one but wanted to make this post to see what more info/discussion I could drum up. Any advice is appreciated, thank you.
 

Attachments

  • Will a manual trans from a 2009 4.0 work with my 88 2.9L with the FM146?
    IMG_0338.jpeg
    449.1 KB · Views: 3
Last edited:

Sponsored Ad

TRS Events & Gatherings

Featured Rangers

Want to see your truck here? Share your photos and details in the forum.

TRS Latest Video

Official TRS Merchandise

Follow TRS On Instagram

TRS Ranger Sponsors


Product Suggestions

Back
Top