transmission /filter ? flush J mod?
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Cross-Country
Joined: Feb 2010
Posts: 59
Likes: 2
transmission /filter ? flush J mod?
i have a 1998 e 150 4.6 engine conversion van and will be doing a trans fluid flush, not sure which trans is in my van , it does have 14 bolts holding the pan on, VIN # 1FDRE1467WHB86137. My dealer prep statement says it is a elect. auto o/d trans? But most other ID stickers are missing. thought it was a 4r70 like my 1995 thunderbird. Are the trans oil filter the same between the different transmissions. anyone know the correct /best type of filter to use?
Has anyone done the j mod to their E150 transmission?
Has anyone done the j mod to their E150 transmission?
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Cross-Country
Joined: Feb 2010
Posts: 59
Likes: 2
Trans flush
Ok thanks Mark. It's what I thought it is, so now I'll pick up a filter. I'll be following your flush process. I,m doing the trans flush because it's got a hard shift at about 35 to 40 MPH, I hope that will help it. Any words on the J mod.
Frmr Ford Trans Engr
Joined: Aug 1999
Posts: 24,714
Likes: 2,640
From: SE Florida
I used to work with Jerry, who created the J mod. He knows the 4R70W as well as anyone. But I don't, and I don't know what the J mod does. But if Jerry created it, it's probably worth doing.
Posting Guru
Joined: Jun 2009
Posts: 1,908
Likes: 20
From: Fort Smith, Arkansas
This is what your van had when it left Ford
Primary Features
Build Date: 08.06.1998Vehicle Line: Econoline
Body Style: Regular Van
Version: 150
Engine: Windsor 4.6 SOHC EFI
Transmission: 4R70W (AODE) 4-Speed Auto Trans
Drive: LHD RWD
Axle Ratio: 3.55
Emission: With 49 State Emission Requirements
Air Conditioning: Manual Air Conditioning
Paint: Dark Tourmaline
Minor Features
- Mocha 83
- Untrimmed
- 138"/3505MM Wheelbase
- RV Prep Version
- Lorain Plant Build
- With Power Equipment Group
- With RV Conversion Upgrade A
- With RH 2nd Row Flip Open Window
- With Fixed Rear Window
- With Bin Type Console
- Floor Cover - Carpet Ins - Partial
- With Carpet Floor Covering
- With Illuminated Sunvisor - Drivers
- With Sound Insulation Pack Level 1
- With Drivers Power Mirror
- With Passenger Power Convex Mirror
- Trailer Tow Prep Pack
- Regular Van
- With Door Entry Remote Control Unit
- Front Bumper - Steel Chromed
- Rear Bumper - Steel Chromed
- With Front Licence Plate Bracket
- With Passenger Air Bag
- With Exterior Tyre Carrier
- 7J x 15 Alloy Wheels
- With Handling Package
- 3.55
- Ford Axle Type
- Windsor 4.6 SOHC EFI
- 4 Wheel Anti-Lock Braking System
- For Unleaded Fuel
- Leather Steering Wheel
- With Speed Control
- Heater/AC Prep Pack-Deluxe
- Heavy Duty Alternator
- Elect Premium AM/FM Stereo/Cass/Clk
- With Light Group
- Dark Tourmaline
- 150 Series
- 4R70W (AODE) 4-Speed Auto Trans
- Econoline
Fleet Owner
Joined: Aug 2010
Posts: 21,253
Likes: 1,656
From: Reynoldsburg, Ohio
I have no direct knowledge of the J-Mod but I do see it mentioned very, very often in any forum where Ford transmissions are discussed----it does seem to be overwhelmingly positively received by those who've either DIY or had it done by a professional shop. If I were in a place it would be possible to perform I'd do it out of pure curiosity.
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Cross-Country
Joined: Feb 2010
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Thx for all the input from folks! Mark,Sam,JWA i did the flush and was immediately impressed with the driving results. Smooth and improved shifting , no more shuddering at 40 mph on the acceleration to 60 mph. wish I had done it sooner (thought it was a ignition issue). almost like getting a horsepower increase.
Info . I had my mechanic do a JMod to my 1995 ford thunderbird , 10 years ago , before the j mod , the 4r70 trans shuddered. quite a bit in spite of 2 flushes,. After the Jmod , shudder was gone and it had very fast upshift . kind of like a kick in the pants with a manual trans. I still have the the car going on 225k with original trans. It was worth it for 400 dollars. There is a u tube video on the process .
Info . I had my mechanic do a JMod to my 1995 ford thunderbird , 10 years ago , before the j mod , the 4r70 trans shuddered. quite a bit in spite of 2 flushes,. After the Jmod , shudder was gone and it had very fast upshift . kind of like a kick in the pants with a manual trans. I still have the the car going on 225k with original trans. It was worth it for 400 dollars. There is a u tube video on the process .
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Fleet Owner
Joined: Aug 2010
Posts: 21,253
Likes: 1,656
From: Reynoldsburg, Ohio
Thx for all the input from folks! Mark,Sam,JWA i did the flush and was immediately impressed with the driving results. Smooth and improved shifting , no more shuddering at 40 mph on the acceleration to 60 mph. wish I had done it sooner (thought it was a ignition issue). almost like getting a horsepower increase.
Info . I had my mechanic do a JMod to my 1995 ford thunderbird , 10 years ago , before the j mod , the 4r70 trans shuddered. quite a bit in spite of 2 flushes,. After the Jmod , shudder was gone and it had very fast upshift . kind of like a kick in the pants with a manual trans. I still have the the car going on 225k with original trans. It was worth it for 400 dollars. There is a u tube video on the process .
Info . I had my mechanic do a JMod to my 1995 ford thunderbird , 10 years ago , before the j mod , the 4r70 trans shuddered. quite a bit in spite of 2 flushes,. After the Jmod , shudder was gone and it had very fast upshift . kind of like a kick in the pants with a manual trans. I still have the the car going on 225k with original trans. It was worth it for 400 dollars. There is a u tube video on the process .
Along with the YouTube stuff there's a lot of info available here as well: TCCoA J-Mod 4R70W. Thanks for the impressions of the J-Mod to your own 4R70W--good to know it really is a good idea.
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Frmr Ford Trans Engr
Joined: Aug 1999
Posts: 24,714
Likes: 2,640
From: SE Florida
I've only done it once with a second person. That person worked the key and moved the shift handle as needed while I watched the flow. All the other times I've done this I did it by myself.
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