4R100 no drive
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From: Mt Ridley, Vic, Australia
4R100 no drive
Driving along today my trans started doing some weird stuff. It lost all gears. Forward and reverse.
If I turned the truck off and let it sit a while it would go again for awhile then loose drive again.
When I got home I checked fluid level and did KOEO o/d off and back on.
I drove it around the block and it seemed ok, so I went on my way.
After about 20 min I noticed the OD light flashing.
I checked codes and It had P1754-ccs.
Any suggestions?
Cheers Colin
If I turned the truck off and let it sit a while it would go again for awhile then loose drive again.
When I got home I checked fluid level and did KOEO o/d off and back on.
I drove it around the block and it seemed ok, so I went on my way.
After about 20 min I noticed the OD light flashing.
I checked codes and It had P1754-ccs.
Any suggestions?
Cheers Colin
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Freshman User
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From: Mt Ridley, Vic, Australia
Mark,
I checked the fluid level and it's fine. It's seems to be driving fine now, I serviced the trans 15,000 km ago(approx 9000 miles) run flush, new filter and oil.
Can the other solenoids in the pack cause no drive?
My question is, CCS solenoid is one in the solenoid pack. If I have to replace the pack, I'm going to have to get it from the US.
We had the 7.3/4r100 up until 2006 here in Australia. If I send my VIN to a US supplier they don't work.
So how do I know which one I need. Any way to identify them?
Cheers Colin
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From: Mt Ridley, Vic, Australia
Is that a common thing? Is their anything else I need to check before pulling the pan?
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From: Mt Ridley, Vic, Australia
I've checked fuses, unfortunately none are blown. I'll check the connections on the trans next.
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Frmr Ford Trans Engr
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That's not the problem, but the time is yours to waste.
Frmr Ford Trans Engr
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That thread, like others, make it appear that power to the solenoid pack is relevant to forward and reverse movement of the transmission. It also seems to suggest that electrical issues can mimic mechanical failure.
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Back in 2010 I had this very same thing happen to me. I was driving at about 5 mph on a dirt road and my truck went into a neutral position. I thought I had accidently hit the gear selector into neutral, but no. I ended up having to have it towed to a trans shop. After tearing down the entire trans and finding nothing wrong, they figured that it had to be in the TC. I sent it back to the guy that built it for me, Rusty at TCS. Again, nothing wrong here either, it was in perfect condition as well. The trans shop put it back together and it worked fine and it's worked fine ever since. I never figured out what the heck happened either. The trans shop was a very reputable heavy/race trans builder who really knew his stuff. But again it would not move no matter what I tried. They even checked the transfer case as well, thinking maybe it had gotten stuck or jumped between 2 and 4 wheel drive, or that maybe it was broke. Nothing.. As far as I know we are the only 2 people that have had this issue..
Frmr Ford Trans Engr
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No forward or reverse CANNOT be caused by ANY electrical problem.
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From: Mt Ridley, Vic, Australia
Update
I checked Fluid level- fine
Checked fuses - none blown
Then I pulled the connector going to the trans for inspection and checked for power there- all good.
I then put the connector back on and made sure it seated properly.
I went for a 1/2 hour drive on Sunday and no codes, drove to work this morning and no codes.
The connector looks a little dodgey so I will get a new one of those but it seems it may have been the problem.
Hope the problem doesn't come back. I'll update if it does.
Cheers Colin
I checked Fluid level- fine
Checked fuses - none blown
Then I pulled the connector going to the trans for inspection and checked for power there- all good.
I then put the connector back on and made sure it seated properly.
I went for a 1/2 hour drive on Sunday and no codes, drove to work this morning and no codes.
The connector looks a little dodgey so I will get a new one of those but it seems it may have been the problem.
Hope the problem doesn't come back. I'll update if it does.
Cheers Colin
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