4runner wont shift when cold - Toyota Nation Forum : Toyota Car and Truck Forums
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#1 Old 05-02-2004, 04:46 PM
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4runner wont shift when cold

The truck is a 1992 4runner sr-5, automatic. When you first drive the truck when it is cold, the truck won't shift until it is warmed up. after that there aren't any problems. does anyone know what the problem could be?
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#2 Old 05-03-2004, 10:32 PM
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Does your 4-Runner not shift at all, or is it ok from 1st to 2nd to 3rd, but delays shifting into 4th? My '03 RAV4 shifts ok up until 3rd, but then takes about 1/4 mile to finally shift into 4th during cold weather. Toyota explained that it allows the engine to warm up faster so that in the winter, heat can get into the vehicle quicker.

Last edited by ravver; 05-04-2004 at 04:38 PM.
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#3 Old 05-03-2004, 11:51 PM
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The transmission will not shift quickly into higher gear or into overdrive if it has not reached a predetermined engine temperature. It's set up this way for emissions reduction reasons. My '2000 LTD Runner does the same thing but the "problem" disappears after I have driven about 4 blocks.

2000 Supercharged 4Runner
'89 Supra Turbo with a "few" mods
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#4 Old 05-04-2004, 03:33 PM
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thanks a lot for the replies
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#5 Old 05-06-2004, 07:40 PM
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The truck is starting to shift when it is cold. The problem now, is it won't shift into overdrive when you drive on the highway, when it is cold.......
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#6 Old 05-08-2004, 11:43 AM
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Try changing your ATF into a mobil synthetic ATF. Did well for me. I have used synthetic oil for my transfer case(made shifting to 4-wheel very smooth and i don't hear the grrrrrg sound anymore.) rear differential and engine oil. I have 199789 miles on my 96 4runner with no problems at all. Also check if your overdrive button is not pressed. it is located on the shifter. I hope this helps.
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#7 Old 04-17-2006, 05:17 PM
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Thermostat

My 90 runner v6 4x4 automatic was doing the same thing. I changed the thermostat and it solved the problem. It still has to warm up, but it gets to the correct temp faster now...
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#8 Old 05-24-2006, 04:38 PM
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I think all Toyota automatics are like that but they should shift up to at least 3rd gear before it warms up. Both the 86 4-Runner and 92 Camry we had were like that.

Current fleet: 06 Acura MDX; 05 Honda Civic; 01 Ford CVPI
Former Toyotas:92 Camry SE V6; 89 X-tra Cab 4X4; 86 4-Runner
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#9 Old 12-30-2007, 11:57 PM
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3rd Generation Transmission Problem

My 1993 4Runner does EXACTLY the same thing. It doen't shift from 1st to 2nd when the TRANSMISSION (not the engine) is cold. It will jump to 3rd gear at a very high revolution. Or I can "manually" put it in 2nd by going up to about 2000 rpm, putting it in neutral, letting go of the accelerator and shifting manually into 2nd gear. Or if I shift into "D" after lettng go of the accelerator, it will shift into 3rd, skipping 2nd all together.

Moreover, regarding shifting into overdrive when the ENGINE is cold, this is normal for these Toyota vehicle. I read about this on the internet but can't remember where. Actually I think I may have caused my transmission to go bad by pouring some "transmission conditioner" into it. I did this because the transmission wasn't shifting into overdrive (when cold). But I did this before realizing that this was normal for this vehicle.

Anyhow. Hope someone can help us regarding the shifting problem (skipping 2nd gear) discribed above.
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#10 Old 01-02-2008, 06:21 PM
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won't shift into high gear in cold weather

I had the same problem in my 1990 4runner..it wouldn't shift into overdrive/high gear only in cold weather. I changed the thermostat and it seemed to solve the problem...
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#11 Old 01-03-2008, 12:44 AM
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Overdrive is usually locked out until the coolant reaches operating temp.
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#12 Old 01-20-2008, 11:30 AM
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There is nothing wrong with your 4runner...

I believe the pre determined temp is 55deg. ...until that is reached your truck will not shift into OD.
Just drive it and enjoy it.
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#13 Old 01-20-2008, 07:12 PM
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Quote:
Originally Posted by bkmiller13 View Post
My 90 runner v6 4x4 automatic was doing the same thing. I changed the thermostat and it solved the problem. It still has to warm up, but it gets to the correct temp faster now...
same here.

my 90 v6 4x4 runner does the same thing. it wont shift into 5th gear until it's warmed up.
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#14 Old 01-21-2008, 01:27 PM
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I also have a 1992 4runner that when the temp is in single digits I hear a grinding sound comming from trans. A mechanic advised that when driving shift into 4wheel drive High and noise will disappear. "It Works"
Run for about 1mile and shift back to normal drive and no noise.
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#15 Old 01-22-2008, 12:41 AM
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e-17 splice

This might be your problem:
http://autorepair.about.com/library/a/1f/bl163f.htm

Seems there is a splice that can go bad.

NO.: TM92-002 (REVISED)
Date: April 10, 1992
Model: VN
Intermittent Engagement Of Overdrive
Condition:
Intermittent loss of overdrive when the engine is at a normal operating temperature and at speeds above 45 mph.
Cause:
High resistance in the E-17 splice (THW circuit).
Correction:
Clean the E-17 splice and then solder. The E-17 splice is located behind the power steering reservoir (see illustration).
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