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BLown OD repair update - 92 4x4 with automatic
Got my 92 back from the tranny shop. Right at $1400 for the rebuild
with 2yr/24K warranty. Asked them to save the exciting parts for me to look at. The part that caused the failure was a VERY thin radial roller bearing that appears to act as a thrust bearing for the OD planetary parts. Once it went it allowed the other parts to shift back an eighth of an inch and start rubbing on each other. I guess 127K miles isn't bad but it sure looked like Ford could have made the transmission an extra 1/8 inch longer and put a heavier bearing in there or something. Having seen what failed it's now very easy to understand why they said DO NOT TOW IN OD for these things - It clearly is not a heavy duty design as far as OD loading. |
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#2
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BLown OD repair update - 92 4x4 with automatic
a dealer told me once to never tow in OD. however, others have said no
problem with doing this. thanks for shedding some light on this. a bad mark for Ford though. "Ashton Crusher" > wrote in message ... Got my 92 back from the tranny shop. Right at $1400 for the rebuild with 2yr/24K warranty. Asked them to save the exciting parts for me to look at. The part that caused the failure was a VERY thin radial roller bearing that appears to act as a thrust bearing for the OD planetary parts. Once it went it allowed the other parts to shift back an eighth of an inch and start rubbing on each other. I guess 127K miles isn't bad but it sure looked like Ford could have made the transmission an extra 1/8 inch longer and put a heavier bearing in there or something. Having seen what failed it's now very easy to understand why they said DO NOT TOW IN OD for these things - It clearly is not a heavy duty design as far as OD loading. |
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BLown OD repair update - 92 4x4 with automatic
How could this be a bad mark for Ford? Dig back through this NG and you will
see many old, old, old posts from a Ford tech telling people to cancel OD in situations where OD is inappropriate..... But, they all knew better.... |
#4
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BLown OD repair update - 92 4x4 with automatic
On Mon, 15 Jan 2007 10:13:11 -0600, "oklaman" > wrote:
>a dealer told me once to never tow in OD. however, others have said no >problem with doing this. > It depends on the transmission. The ones in the early explorers definitely were a "don't tow with OD" version. I have heard there are other models where supposedly it's not an issue. Jim Warman may know. >thanks for shedding some light on this. a bad mark for Ford though. >"Ashton Crusher" > wrote in message .. . >Got my 92 back from the tranny shop. Right at $1400 for the rebuild >with 2yr/24K warranty. Asked them to save the exciting parts for me >to look at. > >The part that caused the failure was a VERY thin radial roller bearing >that appears to act as a thrust bearing for the OD planetary parts. >Once it went it allowed the other parts to shift back an eighth of an >inch and start rubbing on each other. > >I guess 127K miles isn't bad but it sure looked like Ford could have >made the transmission an extra 1/8 inch longer and put a heavier >bearing in there or something. > >Having seen what failed it's now very easy to understand why they said >DO NOT TOW IN OD for these things - It clearly is not a heavy duty >design as far as OD loading. > |
#5
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BLown OD repair update - 92 4x4 with automatic
well, my 2000 2WD owners manual says cancel OD when towing up/down steep
hills, or towing heavy loads. it doesn't say cancel OD when towing anything. but I agree that it should be cancelled when towing anything. couldn't Ford have made the very thin bearing a little thicker to prevent some catastrophic failures? "Jim Warman" > wrote in message news:2PWqh.152206$YV4.83236@edtnps89... How could this be a bad mark for Ford? Dig back through this NG and you will see many old, old, old posts from a Ford tech telling people to cancel OD in situations where OD is inappropriate..... But, they all knew better.... |
#6
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BLown OD repair update - 92 4x4 with automatic
Ashton Crusher wrote: > On Mon, 15 Jan 2007 10:13:11 -0600, "oklaman" > wrote: > > >a dealer told me once to never tow in OD. however, others have said no > >problem with doing this. > > > > It depends on the transmission. The ones in the early explorers > definitely were a "don't tow with OD" version. I have heard there are > other models where supposedly it's not an issue. Jim Warman may know. > They say the Explorer with the V8 has a strong tranny. But I think this calls for some common sense. If you're towing a utility trailer with 500 lb gross weight on flat ground, that's one thing. ( I recently used mine to bring home an 8' sliding glass door, total weight under 500 lb- overdrive was not an issue.) If you're towing a big, heavy boat in hot weather, in rolling terrain... that's quite another. -Paul |
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