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 Overdrive not working / 1989 3.0 automatic SWB ("Snot Rocket")
#976367
12/13/09 09:14 PM
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Joined: Aug 2008
Posts: 21
OP
Need a Spot
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Need some help. My sons Monty will not go into "Overdrive".
We checked the fluid level and quality, the are good.
I also checked and adjusted the TV cable. This changed the shift points but did not cause it to go into OD.
This problem happened all of the sudden.
Any ideas?
76 CJ5 (Part of the family)
89 SWB Monty 3.0 V6 ("Snot Rocket")
2003 F150 4X4
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Re: Overdrive not working / 1989 3.0 automatic SWB ("Snot Rocket")
[Re: Big_Iron_Tech]
#976368
12/13/09 09:23 PM
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Joined: Feb 2004
Posts: 10,238
Web Wheeler
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There is a 1-wire temperature activated switch on the front of the thermostat housing that does not allow O/D operation until the engine is at operating temperature. Remove the connector and ground it. An easy way to do it is to stuff a piece of small wire up inside the connector, reinstall it and ground the other end of the piece of wire. If the O/D now works, replace the thermo switch.
If that doesn't work, the issue is probably with the O/D OFF relay, but odds are it's the thermo switch.
Frank
'89 [color:"white"]G-Raider[color:"white"] [color:"black"]Supercharged 3.0L, MegaSquirt 2, lockup A/T, 2.5" exhaust, 172k, Cibie H4s/Oscar SCs, Hella Micro DE fogs, Cobra CB, Superwinch hubs, LSD rear/Aussie Locker front, Bilsteins, Lifeline AGM, Rust-Oleum
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Re: Overdrive not working / 1989 3.0 automatic SWB ("Snot Rocket")
[Re: FrankR]
#976369
12/13/09 09:46 PM
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Joined: Nov 2001
Posts: 3,272
Roll Me Over
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I'm glad someone asked this question as my overdrive has been acting fishy since I put my rig back together. THANKS!
73 -Jon KJ6GVM As seen on Expedition with TX plates: VEGETARIAN - An old Indian word for poor hunter Grampa's Trooper 1974 FJ40 1987 FJ60
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Re: Overdrive not working / 1989 3.0 automatic SWB ("Snot Rocket")
[Re: Oyaji_Jon]
#976370
12/13/09 10:07 PM
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Joined: Aug 2008
Posts: 21
OP
Need a Spot
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Frank, Thanks for the info. I was hoping to here from you. We will try your suggestion as soon as the Colts finish kicking the broncos butt!
76 CJ5 (Part of the family)
89 SWB Monty 3.0 V6 ("Snot Rocket")
2003 F150 4X4
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Re: Overdrive not working / 1989 3.0 automatic SWB ("Snot Rocket")
[Re: Big_Iron_Tech]
#976371
12/13/09 11:06 PM
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Joined: Aug 2008
Posts: 21
OP
Need a Spot
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The sending unit was the problem. Until I can get a new temp switch, I just ran a wire from the connector for the switch to a ground. Works fine. Thanks.
76 CJ5 (Part of the family)
89 SWB Monty 3.0 V6 ("Snot Rocket")
2003 F150 4X4
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Re: Overdrive not working / 1989 3.0 automatic SWB ("Snot Rocket")
[Re: Big_Iron_Tech]
#976372
12/15/09 09:46 PM
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Joined: Nov 2001
Posts: 3,272
Roll Me Over
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I should say thanks, too, Frank. I unplugged the connector, scraped some of the green $hit off the connector, plugged it back in, and it works fine. <img src="/forums/images/graemlins/kewl.gif" alt="" />
73 -Jon KJ6GVM As seen on Expedition with TX plates: VEGETARIAN - An old Indian word for poor hunter Grampa's Trooper 1974 FJ40 1987 FJ60
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Re: Overdrive not working / 1989 3.0 automatic SWB ("Snot Rocket")
[Re: Oyaji_Jon]
#976373
12/17/09 11:58 AM
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Joined: Sep 2001
Posts: 8,557
Forum Moderator
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Just stopping by to comment on your thread. A+ for thread title <img src="/forums/images/graemlins/kewl.gif" alt="" /> Thank you for being a good poster!
87 Raider 4D56td v5MT1
31's..Basically Stock
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Re: Overdrive not working / 1989 3.0 automatic - Same for a 2.6L?
[Re: FrankR]
#976374
12/18/09 10:49 PM
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Joined: Dec 2009
Posts: 51
Getting the Wheeling Fever
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Does this remedy work for a 1988 Raider with a 4 Cyl 2.6 L engine?
If so, can you help me locate the correct sensor wire to ground?
Thanks
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Re: Overdrive not working / 1989 3.0 automatic - Same for a 2.6L?
[Re: 88raider4morgan]
#976375
12/18/09 11:08 PM
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Joined: Feb 2004
Posts: 10,238
Web Wheeler
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I'm not at all familiar with the 2.6L engine, but others here should know.
Frank
'89 [color:"white"]G-Raider[color:"white"] [color:"black"]Supercharged 3.0L, MegaSquirt 2, lockup A/T, 2.5" exhaust, 172k, Cibie H4s/Oscar SCs, Hella Micro DE fogs, Cobra CB, Superwinch hubs, LSD rear/Aussie Locker front, Bilsteins, Lifeline AGM, Rust-Oleum
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Re: Overdrive not working / 1989 3.0 automatic - Same for a 2.6L?
[Re: 88raider4morgan]
#976376
12/18/09 11:22 PM
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Joined: Dec 2001
Posts: 11,727
Web Wheeler
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Does this remedy work for a 1988 Raider with a 4 Cyl 2.6 L engine?
If so, can you help me locate the correct sensor wire to ground?
Thanks It's near the thermostat, follow the top radiator hose where it connects. This is only a temp fix, you want your sensor to work or your fuel consumption and other things will go whacky. It's a cheap sensor maybe $25.
98 Montero with cold weather package
96 Toyota Land Cruiser, fully locked Mall Machine :-)
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