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rritch01

Transmission shift when cold

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2007 Ford Edge SEL.

 

When its cold, the transmission seems to take longer to shift. All gears seem to have the issue. Worse in cold weather it seems.

 

Ideas?

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Depending on how cold, cold is where you are. It's -30C here so the transmission fluid is super thick and not moving around well so the transmission will shift slower. You could also be low on transmission fluid or the transmission could be worn and have said issues showing when cold.

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Not that cold here in Kansas City that often. I'm thinking of changing the fluid and see if it helps. 

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4 hours ago, Perblue said:

Depending on how cold, cold is where you are. It's -30C here so the transmission fluid is super thick and not moving around well so the transmission will shift slower. You could also be low on transmission fluid or the transmission could be worn and have said issues showing when cold.

Ditto in my neck of the woods today. The transmission in my Malibu was a little slow shifting this morning.

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Change the fluid completely, and use Valvoline Maxlife MultiVehicle ATF (red jug).  It is basically Mercon LV viscosity but perfectly good in Mercon V situations.

 

If it works for brake fluid, why not trans fluid :)

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I'm a bit hesitant to use anything but manufacturer's fluid. The reason is that a friend of mine had his changed on a Honda minivan at a Jiffy Lube and ended up needing to get it rebuilt. Looks like you have a lot of responses on Edges, though. Guess you know your stuff! 

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My reliable source on this is MACT (you can see his videos on YT under the MACTFORDEDGE channel).  He has been running Valvoline fluid for the longest time. 

 

But yes, you should go with what you feel comfortable.  New fluid is the important takeaway here.

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This brought to mind problem I had with a rental years ago. I was in Central Wisconsin and it hit -40°f (no wind chill) that night. Everyone else had their car plugged in except me (rental). Think this wad around Rhinelander. 

 

Went out at 7am and cranked. And cranked and cranked. And cranked. Wentbin twice to let tbe started cool and me to warm. (Did I mention it was 40°F)?

 

Probably near burnt out the starter. (rental). Finally it fired on 3 cylinders. The 4. Then 5, then after running for a couple of minutes, 6.

 

Let it warm up completely while I sat in my motel room and shivered in front of the heater. 

 

Finally got on the road and headed to my first inspection. Reverse was like it had syrup in the tranny. Heavy on the gas and jussssst moving in reverse. Now into drive and it refused to shift out of low. I'm heading down an empty, dark, snow-covered highway, floored, doing 25 mph. Engine red lining, still no shift. So I figure either it blows or it shifts. (rental).

 

It took about 15-20 miles to thaw out and shift. I began to think it would never shift. Just how hot does the tranny fluid have to get anyway?

 

Unrelated, but the tires never thawed out. They took a "set" on the bottom from sitting on the ground. So, thump, thimp, thump down the highway. They were still deformed at the end of the next day when I turned the car in at Minneapolis a/p.

 

Damn -40° is cold. I was never that cold even in northern Quebec Provence. 

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Update - changed the fluid, but slightly differently. Our daughter is in school for auto maintenance and her transmission instructor said to drain and fill, drive it for two weeks, drain and fill again. Its shifiting much better. Thank to everyone for their help, especially WWWPerfA_ZN0W for the reference on fluid!

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