allhazy
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- Feb 27, 2010
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I have a 2000 Ranger w/ the PVH 4x4 system, the truck was made before 06/2000 so it does not have the live axle set up. It also has 4 wheel abs, fyi.
In December I changed both hub bearing assemblies, left and right sides. While I was changing the hub bearing assemblies I noticed the steel vacuum lines that connect to the rubber vacuum lines going to the hubs were rotted and one auto hub was a rusty mess and not functioning properly. I decided to put on the new bearing assemblies with the old PVH hubs and wait a pay check or two until I could buy the AVM hubs so I could rid myself of this vacuum problem all together. The bearing assemblies went back on just fine and 4 weeks later I received a set of AVM hubs.
I opened the box, function checked the hubs and installed them just as the instructions said. When I went for a test drive the wheels would not lock in regardless if the hub was in lock or free. I checked and the 4x4 was engaged and working. The axles will spin when the 4x4 in engaged, but not the wheels.
I slid the AVM hubs off and and put them back on slowly. As I pushed the hubs on I also spun the axle, at this point everything works. The hubs will lock the axle and wheel together, but only if the AVM hub is no more than 3/4 of the way on. Just before the hub is all the way seated and the tabs lock in the groove the hubs (both sides) slip in to free wheel.
I got angry and curious, so I punched the plastic dial out of the center of the hub so I could see what was going on. I put the hub gears in the lock position and then put my finger inside the hub as I slid it on the axle (remember I punched out the center). I can feel the locking gear sliding back (in to free wheel) as I push the hub further on.
I checked for obstructions, there is nothing. In order to rule out the axle as the problem I took the bearing assembly and the AVM hub off and put them on the bench. I can clearly see that the spline gears on the bearing assembly are preventing the AVM hub from properly seating when in the lock position.
I called the manufactures of both parts and explained the problem; they both claim I ordered and received the correct parts. (after I convinced them I do not have a live axle set up)
Because the changes made during the 2000 production year I am having a very hard time finding anyone who will take a look at the problem. I am being told to buy all parts necessary to return the truck to the stock vaccum system! haha - no.
I will swap to the explorer axles if necessary, but fixing this problem has now become an addiction for me.
At this point my only guess is I have the wrong bearing assembly???
The invoice from 1 A auto (great customer service btw) says I have wheel bearing assembly part # 1A-SHS-00039 which they say is equal to both the OE part and the Timken part.
I have the AVM hub from Rugged Ridge and that is part # 15001.70 or AVM 470 AVM470.
I asked the local parts store to bring in a bearing hub assemblies from Timken just so I can see for myself, but they wont be in for a few more days and I don't want to spend more money on bearing assemblies if I do not need to.
This is a long post, but I wanted to explain all the information I could. If anyone knows what the problem might be, I am open to all ideas.
This is my daily driver, so taking these parts on and off is getting pretty old.
Thanks.
In December I changed both hub bearing assemblies, left and right sides. While I was changing the hub bearing assemblies I noticed the steel vacuum lines that connect to the rubber vacuum lines going to the hubs were rotted and one auto hub was a rusty mess and not functioning properly. I decided to put on the new bearing assemblies with the old PVH hubs and wait a pay check or two until I could buy the AVM hubs so I could rid myself of this vacuum problem all together. The bearing assemblies went back on just fine and 4 weeks later I received a set of AVM hubs.
I opened the box, function checked the hubs and installed them just as the instructions said. When I went for a test drive the wheels would not lock in regardless if the hub was in lock or free. I checked and the 4x4 was engaged and working. The axles will spin when the 4x4 in engaged, but not the wheels.
I slid the AVM hubs off and and put them back on slowly. As I pushed the hubs on I also spun the axle, at this point everything works. The hubs will lock the axle and wheel together, but only if the AVM hub is no more than 3/4 of the way on. Just before the hub is all the way seated and the tabs lock in the groove the hubs (both sides) slip in to free wheel.
I got angry and curious, so I punched the plastic dial out of the center of the hub so I could see what was going on. I put the hub gears in the lock position and then put my finger inside the hub as I slid it on the axle (remember I punched out the center). I can feel the locking gear sliding back (in to free wheel) as I push the hub further on.
I checked for obstructions, there is nothing. In order to rule out the axle as the problem I took the bearing assembly and the AVM hub off and put them on the bench. I can clearly see that the spline gears on the bearing assembly are preventing the AVM hub from properly seating when in the lock position.
I called the manufactures of both parts and explained the problem; they both claim I ordered and received the correct parts. (after I convinced them I do not have a live axle set up)
Because the changes made during the 2000 production year I am having a very hard time finding anyone who will take a look at the problem. I am being told to buy all parts necessary to return the truck to the stock vaccum system! haha - no.
I will swap to the explorer axles if necessary, but fixing this problem has now become an addiction for me.
At this point my only guess is I have the wrong bearing assembly???
The invoice from 1 A auto (great customer service btw) says I have wheel bearing assembly part # 1A-SHS-00039 which they say is equal to both the OE part and the Timken part.
I have the AVM hub from Rugged Ridge and that is part # 15001.70 or AVM 470 AVM470.
I asked the local parts store to bring in a bearing hub assemblies from Timken just so I can see for myself, but they wont be in for a few more days and I don't want to spend more money on bearing assemblies if I do not need to.
This is a long post, but I wanted to explain all the information I could. If anyone knows what the problem might be, I am open to all ideas.
This is my daily driver, so taking these parts on and off is getting pretty old.
Thanks.