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dbear
PostPosted: Fri Mar 28, 2008 7:55 pm 
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My diesel transmission has recently been grinding when going in third and fourth. :cry:
Is there anything that help? My brother suggested Amsoil or some other synthetic.
I need to keep the trans alive as long as possible.

Thanks,bear

d

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ROMAN419
PostPosted: Sat Mar 29, 2008 1:34 am 
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what helped my trans was lucas or redline synthetic oil it makes it so it shifts hella easy and grinding kinda went away :ebiggrin
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JoeIsuzu
PostPosted: Sat Mar 29, 2008 9:06 am 
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dbear wrote:
My diesel transmission has recently been grinding when going in third and fourth. :cry:
Is there anything that help? My brother suggested Amsoil or some other synthetic.
I need to keep the trans alive as long as possible.

Thanks,bear

d
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ROMAN419 wrote:
what helped my trans was lucas or redline synthetic oil it makes it so it shifts hella easy and grinding kinda went away :ebiggrin
If it's just the synchros, that might help. Someone over at the Isuzu P'up forum strongly recommends a Redline synthetic. Just be sure to use the recommended weight--it's like a motor oil, NOT a gear lube. Lots of transmissions have been destroyed by using 90w gear oil when the manual recommends 30w motor oil, or 5w30.

On the other hand, if it's the bearings or gears, there's no magic lubricant that will help.

Is yours a 5-speed?

Jack

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dbear
PostPosted: Sun Mar 30, 2008 11:30 pm 
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Yep, It's a 5 speed.
Anybody know what the recommended lube is?

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JoeIsuzu
PostPosted: Tue Apr 01, 2008 7:14 am 
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5w30 motor oil. It takes 1.7 quarts.

Jack

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dbear
PostPosted: Tue Apr 01, 2008 9:54 pm 
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Thanks for the response. So I take it any good synthetic 5W30 motor oil would be OK?

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pee_roy
PostPosted: Tue Apr 01, 2008 9:57 pm 
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I wonder how ATF works in them....

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pee_roy
PostPosted: Tue Apr 01, 2008 10:00 pm 
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dbear wrote:
Thanks for the response. So I take it any good synthetic 5W30 motor oil would be OK?



Yeah that sounds right as far as I know. I used 5 -30 conventional in mine and it works fine.. speakins of which i need to change it soon

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dbear
PostPosted: Tue Apr 01, 2008 10:56 pm 
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Thanks guys, I appreciate the responses.

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JoeIsuzu
PostPosted: Wed Apr 02, 2008 7:56 am 
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pee_roy wrote:
I wonder how ATF works in them....

Works fine, but it gets around the seals, they won't hold it in.

Jack

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oldgoldwings
PostPosted: Sun Apr 20, 2008 6:49 am 
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At one time, graphite was available in 3oz. tubes, about the size of your thumb. Have not seen it in years. I have fashioned a small funnel and put powdered graphite lubricant in noisy trannys and differentials. I have put as many as 4 of these tubes in one differential. It seems to mix well with whatever other type of lubricant you have, and, IMO, reduces the noise, and prolongs the life of gears. May be worth looking into.
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pee_roy
PostPosted: Sun Apr 20, 2008 10:22 pm 
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hmmm thats something i haven't heard of...

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JoeIsuzu
PostPosted: Mon Apr 21, 2008 7:27 am 
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oldgoldwings wrote:
At one time, graphite was available in 3oz. tubes, about the size of your thumb. Have not seen it in years.

Last time I saw it was at a hardware store. It's used as a lubricant for door locks.

Jack

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