I rebuild trans in my business, the 4l80 is a Heavy Th400 modified to have
overdrive, It is a strong Trans
----- Original Message -----
From: "Bob KNOTTS" <raknotts@qwest.net>
To: "Bruce Kettunen" <bekett@uslink.net>; <oletrucks@autox.team.net>
Sent: Thursday, April 25, 2002 11:54 PM
Subject: Re: [oletrucks] Re: Transmission troubles
> I think the 3/4 tons came with the 4L-80, while the 1/2 to had the 4L-60.
> I've been told the 4l-80 is a very stout trans. Bob K in PHX,AZ
> ----- Original Message -----
> From: "Bruce Kettunen" <bekett@uslink.net>
> To: <oletrucks@autox.team.net>
> Sent: Thursday, April 25, 2002 7:32 PM
> Subject: RE: [oletrucks] Re: Transmission troubles
>
>
> > This didn't happen until the new models came out in 99 and 2000.
> > It is a cop out by GM to avoid admitting that the 4L60 tranny they
> > put in the truck wouldn't stand up to anything but empty running
> > without overloading and premature failure.
> >
> > Bruce K
> > 57 3200
> > 65 Electra
> > 96 Suburban
> >
> > At Thursday, 25 April 2002, you wrote:
> >
> > >My truck, a 2000 Silverado with the Heavy Duty towing package has a
> > >button on the gear selector for TOW, is this not on the older trucks?
> > If
> > >you push it in, besides getting a little Tow light on the dash it drops
> > >the truck out of overdrive. I was told even if I didn't tow, which I
> > >don't much, to occasionally flip it into tow and drive for a while.
> > >
> > >Bill
> > >
> > >> >I just had the transmission on my 1997 CK1500 Z71 rebuilt (bought
> > new
> > >> >11/97 with towing package; now with 93,000 miles). The mechanic
> > told
> > >me
> > >> >that I continually overheated the transmission and burned it up
> > >towing
> > >> >in overdrive. My owner's manual specifically states that you
> > can tow
> > >in
> > >> >overdrive, and even goes so far to say heavy loads can be towed in
> > >> >overdrive. I mainly tow two things, a pontoon boat and a small
> > >utility
> > >> >trailer. Both of these are well within the rated towing capacity of
> > >the
> > >> >vehicle. Usually I am towing no more that a few miles. Now
> > that the
> > >> >transmission has been rebuilt, I will tow everything in at least 3rd
> > >> >gear, if not lower. For heavy loads, should I drop to 2nd and how
> > >fast
> > >> >can I drive in 2nd? I'm currently attempting to get Chevy to
> > pay the
> > >> >$1,800 it cost me to rebuild the transmission, as I believe it was
> > >their
> > >> >misguidance that lead to my problems. Any advice?
> > >oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
> > >
> >
> >
> >
> >
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> > oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
> oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
|