| [GMCnet] Cooked my tranny [message #356716] |
Mon, 13 July 2020 10:05  |
fbhtxak
Messages: 191
Registered: April 2006
Karma: 0
|
Senior Member |
|
|
Jim,
Re final drive lube oil temp: Like you, I was never concerned with it until
I instrumented it and began to monitor it. With a GM 3.42 gearset, I see
temperatures similar to yours under similar conditions. Thanks for posting
your observations. They are the first I have seen for final drive temps. I
consider yours to be a sign of reasonableness for those I have observed for
more than 25 years. I have done nothing but change the lube at the GM
specified 12k mi intervals during that time. I acknowledge that the 12 K mi
interval is probably excessive with modern lubes.
Fred Hudspeth
Fred Hudspeth
1978 Royale (TZE 368V101335) - Tyler, TX
1982 Airstream Excella (motorhome) - Cooper Landing, Alaska
Message: 3
Date: Sun, 12 Jul 2020 11:30:08 -0700
From: James Hupy
To: gmclist@list.gmcnet.org
Subject: Re: [GMCnet] Cooked my tranny
Message-ID:
Content-Type: text/plain; charset="UTF-8"
... The final drive? Another matter indeed. Only 2 quarts
of gear oil in there. And lots of heavy loading. That computes to 250?
running down the flat n level, Approaches 300? with any hill climbing. I
use Synthetic Gear Oil in it, and those temps concern me a bit. Been that
way for years, though. No failures yet. Before the gages were hooked up,
never thought about it much. Guess all the gages achieved were to give me
something else to worry about driving down the road! Ah, such is life, I
guess.
Jim Hupy
Salem, Oregon
_______________________________________________
GMCnet mailing list
Unsubscribe or Change List Options:
http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
|
|
|
|
|
|
| Re: [GMCnet] Cooked my tranny [message #356719 is a reply to message #356718] |
Mon, 13 July 2020 11:03  |
Mike Kelley
Messages: 467
Registered: February 2017
Karma: -2
|
Senior Member |
|
|
Bob D.:
Thanks Sir - for your original recommendation and your follow thru here.
As you know I just had the trans on my 1st GMC rebuilt - no “Trans X” fix this time. Tx. mechanic found metal parts (not shavings) in pan at time of fluids change.
I Used Eagle transmissions out of Cedar Park, Tx. because of his experience w/ our GMC TH 425 tranny’s and recommendations from Tx. GMCers. 4 days of actual work and 2 1/2 wks waiting on parts out of New Jersey. Eagle trans is a nationwide company w/ sites in many major U S cities - not sure they all have experience w/ our trannies but could be worth a call if ever in need.
Just want all GMCers to have info at hand if they should have the need.
All hail our GMC community!!!
Mike/the Corvair a holic
Sent from my iPhone
> On Jul 13, 2020, at 10:47 AM, Bob Dunahugh via Gmclist wrote:
>
> I was one of the people that Mike Kelly called. And told Mike about the Trans X trick. Maybe others also said the same thing. It softens hardened lip seals on the clutch pack. It will NOT fix the trans. For $6. Worth a shot. If your trans hasn't been rebuilt. Then Trans X is a must to have along.
> Bob Dunahugh
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
_______________________________________________
GMCnet mailing list
Unsubscribe or Change List Options:
http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
|
|
|
|
GMCforum
Search
Help
Register
Login
Home
