Go Back   TeamTalk > General MasterCraft Topics > Tow Vehicles

Reply
 
Thread Tools Display Modes
  #1  
Old 07-22-2016, 09:48 PM
lakejimmyjon lakejimmyjon is offline
TT Newbie
 
Join Date: Jul 2013
Boat: None
Location: Midwest
Posts: 15
Suburban's tranny goes south!

My brother-in law recently purchased a clean '97 Suburban with 110K miles. Last weekend he towed his pontoon 90 miles and then a couple of days later set out for home and only got about 45 miles toward home and the transmission failed. He towed in overdrive and they attribute the failure to that. My question; is that enough towing to trash a transmission or was it already in bad shape. I have always towed in 4th with my Suburban and have had no problems. Thoughts?
Reply With Quote
  #2  
Old 07-22-2016, 09:59 PM
1redTA's Avatar
1redTA 1redTA is offline
MC Devotee
 
Join Date: Aug 2009
Boat: 1981 MasterCraft 351W slot
Location: Pace, FL
Posts: 1,194
the 4l60e is a ticket by bomb after 100,000 miles. towing in overdrive is ok if you are on level ground so the transmission doesn't kick in and out of OD You should have a Trans cooler, the one in the radiator can take out a trans,
__________________
1981 MasterCraft
19' Skier 351W PowerSlot
Long gone is the Trans AM waiting for another
Reply With Quote
  #3  
Old 07-23-2016, 08:55 AM
maxpower220 maxpower220 is offline
TT Enthusiast
 
Join Date: Sep 2008
Boat: None
Location: SouthEast
Posts: 490
Who knows what those previous 110K miles were like on that tranny. To answer, no towing a pontoon will not take out the tranny. Probably due to age, neglect, and previous use.
__________________
1997 PS 205
Reply With Quote
  #4  
Old 07-23-2016, 09:18 AM
CantRepeat's Avatar
CantRepeat CantRepeat is offline
 
Join Date: Jul 2008
Boat: 06 X30
Location: Roll Tide!!
Posts: 11,748
If you add an auxiliary trans cooler do not by pass the one in the radiator. Doing so can cause premature failure.

Towing a pontoon didn't kill the trans. Like posted, neglect and overheating the fluid are probably the issues.
__________________
Tim
Gone, out doing soft recreational past time with overpowered boat!
Reply With Quote
  #5  
Old 07-23-2016, 09:27 AM
JimN's Avatar
JimN JimN is offline
MC Master Poster
 
Join Date: Jul 2004
Posts: 12,544
Quote:
Originally Posted by lakejimmyjon View Post
My brother-in law recently purchased a clean '97 Suburban with 110K miles. Last weekend he towed his pontoon 90 miles and then a couple of days later set out for home and only got about 45 miles toward home and the transmission failed. He towed in overdrive and they attribute the failure to that. My question; is that enough towing to trash a transmission or was it already in bad shape. I have always towed in 4th with my Suburban and have had no problems. Thoughts?
Does the pontoon trailer have brakes? If so, are they binding?
Reply With Quote
  #6  
Old 07-23-2016, 09:37 AM
MLA MLA is offline
MC Fanatic
 
Join Date: May 2012
Boat: pontoon
Location: Lake Wylie Area
Posts: 810
I got 175K on my 1st 4L60e and im at 100K on the 2nd (same SUV) and always tow in OD position. OD is just a 4th gear ratio. If the RPMs drop to low, the trans will shift back to a lower gear to get the RPMs back up. This is based on throttle input and load. So, the only difference between OD and 3, is that 4th ratio when at higher speeds. If the load is not too heavy and roads are no more than small inclines, tow in OD.
Reply With Quote
  #7  
Old 07-23-2016, 09:58 AM
JimN's Avatar
JimN JimN is offline
MC Master Poster
 
Join Date: Jul 2004
Posts: 12,544
Don't these have a towing package, with a button on the shifter to activate the transmission? My Astro van has that.
Reply With Quote
  #8  
Old 07-23-2016, 10:45 AM
mikeg205's Avatar
mikeg205 mikeg205 is offline
Moderator
 
Join Date: Aug 2011
Boat: 1995 Pro Star 205 5.7 Liter
Location: Plainfield - Joliet, IL
Posts: 15,250
Send a message via Skype™ to mikeg205
I am jumping on the bandwagon - either trans was on last legs or trailer had binding rear breaks.

I am betting on old trans fluid which start the failure.. then probably a dirty trans filter.

Towing out of OD just circulates more fluid thru the cooler - did it have a trans cooler?
__________________
...A bad day water skiing still beats a good day at work...1995 Pro Star 205....
Reply With Quote
  #9  
Old 07-23-2016, 02:55 PM
JohnnyB's Avatar
JohnnyB JohnnyB is offline
MC Maniac
 
Join Date: Oct 2004
Boat: 2004 Prostar 190
Location: Titletown
Posts: 3,334
Quote:
Originally Posted by lakejimmyjon View Post
My brother-in law recently purchased a clean '97 Suburban with 110K miles. Last weekend he towed his pontoon 90 miles and then a couple of days later set out for home and only got about 45 miles toward home and the transmission failed. He towed in overdrive and they attribute the failure to that. My question; is that enough towing to trash a transmission or was it already in bad shape. I have always towed in 4th with my Suburban and have had no problems. Thoughts?
Not sure of transmission year-to-year but my 98 tahoe had 270K miles on it when I sold it in 2010 with original engine and tranny. It was used as a plow truck/work truck from 190K on. I saw the buyer plowing with it again last winter......

I had upgraded the front springs to carry the 3/4 ton rated plow and always ran ballast (sand bags) in the back when plowing.....it put in lots of rough duty!!

Those year burbans and tahoes were built like tanks!!!
__________________
Everyone Dies, but not everyone lives

2004 Prostar 197, ACME 843
Reply With Quote
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off


All times are GMT -4. The time now is 06:30 AM.