overdrive
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Topic author - I am merely driving my van
- Posts: 4
- Joined: Tue Jan 06, 2009 8:25 pm
- Location: Olympia,WA
overdrive
1995 astro 260,000 miles and going strong !! Is there any way to adjust when O.D. kicks in? Mine drops in at 42 mph. and lugs the motor alot.
thanks,
Don
thanks,
Don
1995 Astro AWD no lift(?) 30x9.50x15's (only rub a little)
260,000 miles. Flow Master muffler duel out.
260,000 miles. Flow Master muffler duel out.
Re: overdrive
My '94 does the same thing. Prolly not the answer you want, but I just leave the lever in D onstead of OD, and shift to OD when needed.
I don't think there is any reasonable way to correct this, other than flashing the prom.
Could be wrong, It's happened before.
Welcome to the forum!
I don't think there is any reasonable way to correct this, other than flashing the prom.
Could be wrong, It's happened before.
Welcome to the forum!
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- I have my van tatooed on my cheeks
- Posts: 4379
- Joined: Sat Sep 09, 2006 3:35 pm
- Location: New Haven, NY
Re: overdrive
Welcome sawdust!
Roy is right, just drop the lever into 3rd or D when running under 50 or in town or city driving. I don't think there is an easy way to keep the van from shifting into OD without a re-flash and that would be costly. You could also do a gear swap to 4.10's and that would help tremendously. Again, this is very costly but you would gain some gas mileage back to offset the cost.
How about some pics of your van? No lift and 30's...I wanna see it!![Rock on! :supz:](./images/smilies/icon_super.gif)
Roy is right, just drop the lever into 3rd or D when running under 50 or in town or city driving. I don't think there is an easy way to keep the van from shifting into OD without a re-flash and that would be costly. You could also do a gear swap to 4.10's and that would help tremendously. Again, this is very costly but you would gain some gas mileage back to offset the cost.
How about some pics of your van? No lift and 30's...I wanna see it!
![Rock on! :supz:](./images/smilies/icon_super.gif)
Current rides:
2013 Toyota Tundra DC 4x4
2008 Dodge Nitro 4x4
2005 Nissan Sentra 1.8S Special Edition
Mileage spreadsheet
Vans owned:
1986 Safari 2.5L 4 speed manual - scrapped
1995 Astro 2WD conversion 4.11 posi, shift kit, DHC rock rails - sold to Skippy
1998 Astro 4x4 D44, D60, NP231, full hydraulic system with 9k# Milemarker winch and snow plow - sold to Lockdoc
2003 Astro AWD all stock - traded for a 3/4 ton truck
2005 AWD, 4.10's - sold to skippy
2013 Toyota Tundra DC 4x4
2008 Dodge Nitro 4x4
2005 Nissan Sentra 1.8S Special Edition
Mileage spreadsheet
Vans owned:
1986 Safari 2.5L 4 speed manual - scrapped
1995 Astro 2WD conversion 4.11 posi, shift kit, DHC rock rails - sold to Skippy
1998 Astro 4x4 D44, D60, NP231, full hydraulic system with 9k# Milemarker winch and snow plow - sold to Lockdoc
2003 Astro AWD all stock - traded for a 3/4 ton truck
2005 AWD, 4.10's - sold to skippy
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- I sleep in my van
- Posts: 724
- Joined: Fri Jan 19, 2007 2:07 pm
- Location: Mission Viejo, CA
- Has thanked: 2 times
- Been thanked: 3 times
Re: overdrive
I too have taken to driving around town in 3, instead of D.
1998 Astro, 246,000 miles
K&N air filter
TruCool trans cooler
2" Overland lift & 15" BFG Terrain, 3.73 gears
JET Performance SCU-2000 (Speed Control Unit)
Gabriel Ultra shocks, rear AirLift bags & sway bar
Draw-Tite Dual Port Hitch System, hitch-mounted bike rack (4), hitch-mounted cargo tray, Thule roof-mounted cargo box
K&N air filter
TruCool trans cooler
2" Overland lift & 15" BFG Terrain, 3.73 gears
JET Performance SCU-2000 (Speed Control Unit)
Gabriel Ultra shocks, rear AirLift bags & sway bar
Draw-Tite Dual Port Hitch System, hitch-mounted bike rack (4), hitch-mounted cargo tray, Thule roof-mounted cargo box
Re: overdrive
4.10s....Good call. That would fix it and make the van a real kick in the pants to drive. ![guitar :guitar:](./images/smilies/smile_guitar.gif)
![guitar :guitar:](./images/smilies/smile_guitar.gif)
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Topic author - I am merely driving my van
- Posts: 4
- Joined: Tue Jan 06, 2009 8:25 pm
- Location: Olympia,WA
Re: overdrive
Went out to take pictures and the batt. is dead in the camera. I'll shoot some tomorow.
I am working on a set of 4:10's.![big grin :D](./images/smilies/icon_mrgreen.gif)
I am working on a set of 4:10's.
![big grin :D](./images/smilies/icon_mrgreen.gif)
1995 Astro AWD no lift(?) 30x9.50x15's (only rub a little)
260,000 miles. Flow Master muffler duel out.
260,000 miles. Flow Master muffler duel out.
-
- I plan to be buried in my van
- Posts: 1230
- Joined: Sun Sep 10, 2006 4:50 am
- Location: Billings, MT, 'MERICA!
Re: overdrive
Sounds like your tranny isn't adjusted properly. After a complete refurb/reman of my tranny, my Klementine doesn't shift into OD until I reach highway speeds.
Mike, Billings, MT, 'MERICA!
92 Safari SLE w/Z Motor (sold to a good home)
98 AWD Stro LS
93 Suburban Silverado 4x4
Look for the MISSING Alien in the Right Seat. AL, PHONE HOME!!!
![Image](http://weathersticker.wunderground.com/weathersticker/sunandmoon/language/www/US/MT/Billings.gif)
![Image](http://www.chopperstickers.com/images/P/647l.gif)
![Image](http://www.honorflight.org/images/031107/troops_4601jpg.gif)
92 Safari SLE w/Z Motor (sold to a good home)
98 AWD Stro LS
93 Suburban Silverado 4x4
Look for the MISSING Alien in the Right Seat. AL, PHONE HOME!!!
![Image](http://weathersticker.wunderground.com/weathersticker/sunandmoon/language/www/US/MT/Billings.gif)
![Image](http://www.chopperstickers.com/images/P/647l.gif)
![Image](http://www.honorflight.org/images/031107/troops_4601jpg.gif)
Re: overdrive
There are no adjustments on a 4L60E.CaptSquid wrote:Sounds like your tranny isn't adjusted properly. After a complete refurb/reman of my tranny, my Klementine doesn't shift into OD until I reach highway speeds.
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Topic author - I am merely driving my van
- Posts: 4
- Joined: Tue Jan 06, 2009 8:25 pm
- Location: Olympia,WA
Re: overdrive
O.K.
shot a few pic's of my van. The painters happend to park there astro right behind mine so I though it would be a good comparison.
![Image](http://i828.photobucket.com/albums/zz209/sawdust55/95%20astro/Picture001.jpg)
![Image](http://i828.photobucket.com/albums/zz209/sawdust55/95%20astro/Picture002.jpg)
![Image](http://i828.photobucket.com/albums/zz209/sawdust55/95%20astro/Picture004.jpg)
![Image](http://i828.photobucket.com/albums/zz209/sawdust55/95%20astro/Picture005.jpg)
(hope I did that right)
Don
shot a few pic's of my van. The painters happend to park there astro right behind mine so I though it would be a good comparison.
![Image](http://i828.photobucket.com/albums/zz209/sawdust55/95%20astro/Picture001.jpg)
![Image](http://i828.photobucket.com/albums/zz209/sawdust55/95%20astro/Picture002.jpg)
![Image](http://i828.photobucket.com/albums/zz209/sawdust55/95%20astro/Picture004.jpg)
![Image](http://i828.photobucket.com/albums/zz209/sawdust55/95%20astro/Picture005.jpg)
(hope I did that right)
Don
Last edited by LiftedAWDAstro on Wed Apr 14, 2010 2:58 am, edited 1 time in total.
Reason: Added pic links
Reason: Added pic links
1995 Astro AWD no lift(?) 30x9.50x15's (only rub a little)
260,000 miles. Flow Master muffler duel out.
260,000 miles. Flow Master muffler duel out.
-
- I plan to be buried in my van
- Posts: 1230
- Joined: Sun Sep 10, 2006 4:50 am
- Location: Billings, MT, 'MERICA!
Re: overdrive
Au contraire, rlsllc. There ARE adjustments on a 4L60E. There's a ratchet on the tranny that affects the shift points.rlsllc wrote:There are no adjustments on a 4L60E.CaptSquid wrote:Sounds like your tranny isn't adjusted properly. After a complete refurb/reman of my tranny, my Klementine doesn't shift into OD until I reach highway speeds.
Mike, Billings, MT, 'MERICA!
92 Safari SLE w/Z Motor (sold to a good home)
98 AWD Stro LS
93 Suburban Silverado 4x4
Look for the MISSING Alien in the Right Seat. AL, PHONE HOME!!!
![Image](http://weathersticker.wunderground.com/weathersticker/sunandmoon/language/www/US/MT/Billings.gif)
![Image](http://www.chopperstickers.com/images/P/647l.gif)
![Image](http://www.honorflight.org/images/031107/troops_4601jpg.gif)
92 Safari SLE w/Z Motor (sold to a good home)
98 AWD Stro LS
93 Suburban Silverado 4x4
Look for the MISSING Alien in the Right Seat. AL, PHONE HOME!!!
![Image](http://weathersticker.wunderground.com/weathersticker/sunandmoon/language/www/US/MT/Billings.gif)
![Image](http://www.chopperstickers.com/images/P/647l.gif)
![Image](http://www.honorflight.org/images/031107/troops_4601jpg.gif)
-
- I have my van tatooed on my cheeks
- Posts: 4379
- Joined: Sat Sep 09, 2006 3:35 pm
- Location: New Haven, NY
Re: overdrive
You gotta tell where and how!CaptSquid wrote:There ARE adjustments on a 4L60E. There's a ratchet on the tranny that affects the shift points.
Current rides:
2013 Toyota Tundra DC 4x4
2008 Dodge Nitro 4x4
2005 Nissan Sentra 1.8S Special Edition
Mileage spreadsheet
Vans owned:
1986 Safari 2.5L 4 speed manual - scrapped
1995 Astro 2WD conversion 4.11 posi, shift kit, DHC rock rails - sold to Skippy
1998 Astro 4x4 D44, D60, NP231, full hydraulic system with 9k# Milemarker winch and snow plow - sold to Lockdoc
2003 Astro AWD all stock - traded for a 3/4 ton truck
2005 AWD, 4.10's - sold to skippy
2013 Toyota Tundra DC 4x4
2008 Dodge Nitro 4x4
2005 Nissan Sentra 1.8S Special Edition
Mileage spreadsheet
Vans owned:
1986 Safari 2.5L 4 speed manual - scrapped
1995 Astro 2WD conversion 4.11 posi, shift kit, DHC rock rails - sold to Skippy
1998 Astro 4x4 D44, D60, NP231, full hydraulic system with 9k# Milemarker winch and snow plow - sold to Lockdoc
2003 Astro AWD all stock - traded for a 3/4 ton truck
2005 AWD, 4.10's - sold to skippy
Re: overdrive
I've changed several of these 4L60E transmissions, both the early one piece and the one with the separate bell housing, and must have missed it every time. Where is this ratchet located?CaptSquid wrote:Au contraire, rlsllc. There ARE adjustments on a 4L60E. There's a ratchet on the tranny that affects the shift points.rlsllc wrote:There are no adjustments on a 4L60E.CaptSquid wrote:Sounds like your tranny isn't adjusted properly. After a complete refurb/reman of my tranny, my Klementine doesn't shift into OD until I reach highway speeds.
-
- I plan to be buried in my van
- Posts: 1230
- Joined: Sun Sep 10, 2006 4:50 am
- Location: Billings, MT, 'MERICA!
Re: overdrive
Driver's side. Don't ask me exactly where, but it had to be adjusted by the mechanic after it slipped. My shift point from 1 to 2 was somewhere around 41 mph before they adjusted it back to about 12 mph.
Mike, Billings, MT, 'MERICA!
92 Safari SLE w/Z Motor (sold to a good home)
98 AWD Stro LS
93 Suburban Silverado 4x4
Look for the MISSING Alien in the Right Seat. AL, PHONE HOME!!!
![Image](http://weathersticker.wunderground.com/weathersticker/sunandmoon/language/www/US/MT/Billings.gif)
![Image](http://www.chopperstickers.com/images/P/647l.gif)
![Image](http://www.honorflight.org/images/031107/troops_4601jpg.gif)
92 Safari SLE w/Z Motor (sold to a good home)
98 AWD Stro LS
93 Suburban Silverado 4x4
Look for the MISSING Alien in the Right Seat. AL, PHONE HOME!!!
![Image](http://weathersticker.wunderground.com/weathersticker/sunandmoon/language/www/US/MT/Billings.gif)
![Image](http://www.chopperstickers.com/images/P/647l.gif)
![Image](http://www.honorflight.org/images/031107/troops_4601jpg.gif)
-
- I have my van tatooed on my cheeks
- Posts: 4379
- Joined: Sat Sep 09, 2006 3:35 pm
- Location: New Haven, NY
Re: overdrive
Was that on your 92 Capt'n?
Current rides:
2013 Toyota Tundra DC 4x4
2008 Dodge Nitro 4x4
2005 Nissan Sentra 1.8S Special Edition
Mileage spreadsheet
Vans owned:
1986 Safari 2.5L 4 speed manual - scrapped
1995 Astro 2WD conversion 4.11 posi, shift kit, DHC rock rails - sold to Skippy
1998 Astro 4x4 D44, D60, NP231, full hydraulic system with 9k# Milemarker winch and snow plow - sold to Lockdoc
2003 Astro AWD all stock - traded for a 3/4 ton truck
2005 AWD, 4.10's - sold to skippy
2013 Toyota Tundra DC 4x4
2008 Dodge Nitro 4x4
2005 Nissan Sentra 1.8S Special Edition
Mileage spreadsheet
Vans owned:
1986 Safari 2.5L 4 speed manual - scrapped
1995 Astro 2WD conversion 4.11 posi, shift kit, DHC rock rails - sold to Skippy
1998 Astro 4x4 D44, D60, NP231, full hydraulic system with 9k# Milemarker winch and snow plow - sold to Lockdoc
2003 Astro AWD all stock - traded for a 3/4 ton truck
2005 AWD, 4.10's - sold to skippy