Watersurgeon
New member
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- Mar 17, 2021
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2003, 7.3, 4x4 roughly 210,000.
This issue started a couple years ago and has gotten progressively worse. In a nutshell the forward gears will not engage until the engine temperature reaches operating temperature. Reverse works fine, cold. When this first started happening, I had to wait until the tranny reached operating temperature, now I have to wait until the engine reaches running temp. If I attempted to engage the tranny, before the tranny oil or later the engine operating temp, hear a scream coming out of the tranny, no forward engagement. Now once the engine is hot, I put it into drive and then have to give the throttle a couple quick hits and then the tranny engages. Once engaged I have no issues driving. I have not tried to tow with this issue for obvious reasons. I have changed the fluid, flushed, replaced the filter, made sure the feed bolts were tight.
I believe the issue was created by the first owner. I bought the truck in 04' with 7,000 miles on it. Just prior to flying out to get it the dealer that was selling it for a friend of his calls me up and tells me to wait a few days because his buddy came to the lot over the previous weekend and got the truck so he could pull tree stumps on his property. In the process he snapped a chain and it went through the tail gate so it had to be replaced. I got the truck and a year later I had an issue with the transfer case engaging. It was still under warranty so I had it fixed. The dealer told me the case was fried and asked if I had been doing any heavy aggressive pulling. A few years after that I started noticing the following. I bring the front tires up to let’s say a street curb, dead stop, then push the accelerator and the truck would struggle to go up the curb, as if first was slipping. Any ideas on the issue?
I was told by one tranny guy, does not work on these, the problem with having to wait for everything to warm up might be the pump seals. As he put it as the tranny heats up the seals are swelling up which is allowing your pump to produce enough pressure to engage the tranny, otherwise the fluid is just leaking by. Any suggestions would be greatly appreciated.
2nd: part. I am in Southern California. I was going to have John Wood rebuild the tranny a few years back but Covid hit. My plan was to have him do the tranny the first of this year. When I looked into it last summer he was still in business, then around Sept, there were changes to his web site mentioning supply chain issues. The first of the year his web site went off line. I finally got a hold of him two weeks ago and it looks like he closed shop, he said he's doing some tyranny’s out of his house but the wait list was twenty deep and the price he quoted was more than he was charging when he operated a full-service shop. He also said the contract company he uses for his CNC work was in Canada, starting last summer started having major delivery issues with them and it has been ongoing since and getting worse.
If I could fine an 4R100 out here used I would buy it and rebuild it but there pretty hard to find and I have scoured every junk yard source I know for west coast Junkers. I've got several contract jobs coming up across the country so I need a rebuild that I can get at least a couple hundred thousand miles out of. Over the years I have read countless stories where inexperienced builders have claimed they can rebuild a 4r100 and guys have been stranded on the side of the road which is why I wanted John Wood to rebuild it. I've looked a couple of on-line builders and a lot of them are claiming back logs because of supply chain issues, although I have not confirmed that with a phone call.
So my first question. Anybody located in SoCal that know a builder, or know where I can find a used 4r100, or have one laying around? My 2nd question, If I can't find a builder who's shop ships trannies that you have personally used and recommend and why? Although I am not prone to do this, I have a corporate relationship with a local Ford Dealer and I if I can't find a solution to this problem quickly, I may have to resort to having them order me a ford remanufactured HD unit. Any of you know anything about these units. Not sure who is actually doing the rebuild on them?
Cheers and thanks for any input.
3rd, what torque converter do you recommend?
Thx.
Ford truck enthusiast.
This issue started a couple years ago and has gotten progressively worse. In a nutshell the forward gears will not engage until the engine temperature reaches operating temperature. Reverse works fine, cold. When this first started happening, I had to wait until the tranny reached operating temperature, now I have to wait until the engine reaches running temp. If I attempted to engage the tranny, before the tranny oil or later the engine operating temp, hear a scream coming out of the tranny, no forward engagement. Now once the engine is hot, I put it into drive and then have to give the throttle a couple quick hits and then the tranny engages. Once engaged I have no issues driving. I have not tried to tow with this issue for obvious reasons. I have changed the fluid, flushed, replaced the filter, made sure the feed bolts were tight.
I believe the issue was created by the first owner. I bought the truck in 04' with 7,000 miles on it. Just prior to flying out to get it the dealer that was selling it for a friend of his calls me up and tells me to wait a few days because his buddy came to the lot over the previous weekend and got the truck so he could pull tree stumps on his property. In the process he snapped a chain and it went through the tail gate so it had to be replaced. I got the truck and a year later I had an issue with the transfer case engaging. It was still under warranty so I had it fixed. The dealer told me the case was fried and asked if I had been doing any heavy aggressive pulling. A few years after that I started noticing the following. I bring the front tires up to let’s say a street curb, dead stop, then push the accelerator and the truck would struggle to go up the curb, as if first was slipping. Any ideas on the issue?
I was told by one tranny guy, does not work on these, the problem with having to wait for everything to warm up might be the pump seals. As he put it as the tranny heats up the seals are swelling up which is allowing your pump to produce enough pressure to engage the tranny, otherwise the fluid is just leaking by. Any suggestions would be greatly appreciated.
2nd: part. I am in Southern California. I was going to have John Wood rebuild the tranny a few years back but Covid hit. My plan was to have him do the tranny the first of this year. When I looked into it last summer he was still in business, then around Sept, there were changes to his web site mentioning supply chain issues. The first of the year his web site went off line. I finally got a hold of him two weeks ago and it looks like he closed shop, he said he's doing some tyranny’s out of his house but the wait list was twenty deep and the price he quoted was more than he was charging when he operated a full-service shop. He also said the contract company he uses for his CNC work was in Canada, starting last summer started having major delivery issues with them and it has been ongoing since and getting worse.
If I could fine an 4R100 out here used I would buy it and rebuild it but there pretty hard to find and I have scoured every junk yard source I know for west coast Junkers. I've got several contract jobs coming up across the country so I need a rebuild that I can get at least a couple hundred thousand miles out of. Over the years I have read countless stories where inexperienced builders have claimed they can rebuild a 4r100 and guys have been stranded on the side of the road which is why I wanted John Wood to rebuild it. I've looked a couple of on-line builders and a lot of them are claiming back logs because of supply chain issues, although I have not confirmed that with a phone call.
So my first question. Anybody located in SoCal that know a builder, or know where I can find a used 4r100, or have one laying around? My 2nd question, If I can't find a builder who's shop ships trannies that you have personally used and recommend and why? Although I am not prone to do this, I have a corporate relationship with a local Ford Dealer and I if I can't find a solution to this problem quickly, I may have to resort to having them order me a ford remanufactured HD unit. Any of you know anything about these units. Not sure who is actually doing the rebuild on them?
Cheers and thanks for any input.
3rd, what torque converter do you recommend?
Thx.
Ford truck enthusiast.
