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Post by steve3588 on Jan 18, 2007 1:55:14 GMT -5
Ok guys i appreciate the info.It pretty much confirmed my suspicion that it was a lockup trans.Now, i have been told that a lot of people would simply pull the fuse that powered the lockup when they wanted to pull a heavy load so i went lookin to see if i could find the fuse and i couldnt.Does anybody know what this fuse is identified as on the fuse block??>>one guy told me it should say trans,or lockup,or maybe even ECM.All i find is the standard fuses for lights,horn,fan,etc.There is a slot marked as ECM but there are no contacts in the slot for a fuse and appears it never was(obviously this truck did not have an ECM.Surely the lockup is fused?  You think maybe somebody just swapped to an old style non lockup convertor?? How could i power the switch and see if it locks up?? My main concern here is the engine and trans RPM'S and premature wear as this truck is a daily driver.How many R'S is too much say at 55 mph???,Thanks for any info guys!! |
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Post by Bent on Jan 19, 2007 21:35:30 GMT -5
[glow=limegreen,2,300]I'm @ about 2,500 on the freeway in o.d.....As far as your lockup is concerned wouldn't your truck lag on hills if you dissconnected the lock up? I mean think about it... If your l0ockup makes your tranny grip, on a hill ,wouldn't you want the least amount of tranny slip to use all that power you can get to climb it?[/glow]
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Post by steve3588 on Jan 20, 2007 16:30:08 GMT -5
just installed a tach!!!!!!your 2500 at what speed??,im 2200@50 mph,2700@55mph,and 3300@65mph,not sure if thats too many r's but i still need to know where in the hell the convertor should be gettin the voltage from?~~~if it was,but its not cause it aint lockin up!?,thats my main concern~~~cant trace the wires unless its quits friggin rainin here,we just moved to jasper tx and i dont have a shop built yet and not about to lay in the mud,thanks!
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Post by Pontiac1976 on Jan 22, 2007 21:10:08 GMT -5
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Post by 19_Chevelle_69 on Jan 24, 2007 21:44:41 GMT -5
[glow=limegreen,2,300]...As far as your lockup is concerned wouldn't your truck lag on hills if you dissconnected the lock up? I mean think about it... If your l0ockup makes your tranny grip, on a hill ,wouldn't you want the least amount of tranny slip to use all that power you can get to climb it?...[/glow] Actually, with the lockup engaged, there is NO slip in the converter, and that means NO torque multiplication. It would be like towing a load up a grade in 4th or 5th with a manual tranny. Engine speed is too low - out of its' power range. There is a vacuum switch near the brake booster. it has an electrical connector on the one side and a vac line running to the other side. If you pull the electrical connector off, you will disable the TCC. You say it's NOT locking up. Check this same connector for green fuzzy corrosion. Clean the terminals and re-try. Now.... You can go ahead and do what I did... Put a toggle switch inline on that wire. You can disable the TCC when you want to, and enable it when you want to cruise. These trucks are infamous for the TCC engaging WAYYY too early... like 40km/h (23 mph), there is not a lot you can do to change it. |
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Post by Bent on Jan 25, 2007 23:48:19 GMT -5
[glow=limegreen,2,300]...As far as your lockup is concerned wouldn't your truck lag on hills if you dissconnected the lock up? I mean think about it... If your l0ockup makes your tranny grip, on a hill ,wouldn't you want the least amount of tranny slip to use all that power you can get to climb it?...[/glow] Actually, with the lockup engaged, there is NO slip in the converter, and that means NO torque multiplication. It would be like towing a load up a grade in 4th or 5th with a manual tranny. Engine speed is too low - out of its' power range. There is a vacuum switch near the brake booster. it has an electrical connector on the one side and a vac line running to the other side. If you pull the electrical connector off, you will disable the TCC. You say it's NOT locking up. Check this same connector for green fuzzy corrosion. Clean the terminals and re-try. Now.... You can go ahead and do what I did... Put a toggle switch inline on that wire. You can disable the TCC when you want to, and enable it when you want to cruise. These trucks are infamous for the TCC engaging WAYYY too early... like 40km/h (23 mph), there is not a lot you can do to change it. [glow=limegreen,2,300]I learn something new everyday.... Teach me almighty one!![/glow] |
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You think maybe somebody just swapped to an old style non lockup convertor?? How could i power the switch and see if it locks up?? My main concern here is the engine and trans RPM'S and premature wear as this truck is a daily driver.How many R'S is too much say at 55 mph???,Thanks for any info guys!!
