Hey, hopefully someone here that's more knowledgeable about cars can help me out!
I have a 2005 Ford Escape with 63,000 miles on it and just started having an issue earlier today. I went out yesterday and didn't have any issues with it, parked my car and didn't go out again until this afternoon. When I started to drive down the road, my car started to rev up like it was accelerating -- it would never actually jump in speed, just rev the engine as if it was going to. This is with me driving steadily about 35-40mph. This happened two or three times, I turned around and went back to my apartment.
I took the car to a mechanic down the street, got up to about 40MPH accelerating slowly, the car didn't try to rev up again on the way. The mechanic scanned one part of the transmission (transmission fluid was just replaced and it's fine) but said I'd need to go to a transmission shop to have the other part scanned. On the way back I was able to slowly accelerate to 40MPH, again, with no problems.
Is it possible this was some kind of one-time thing, or is that wishful thinking?
I'm already planning on taking it in to Ford on Saturday, that way I can check if the transmission is under warranty still while it's there.
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The sudden jump to a higher RPM is the transmission dropping to a lower gear, the cause of which can never be a good sign.
Since that only happened once, you *might* be fine for a while, but I'd guess your transmission is on it's way to the graveyard.
Otherwise, be very happy you're still under warranty.
You probably need a new trans.
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This man speaks the truth. If you're covered to 7yr/70,000miles, I'd try to break that fucker while it's covered or trade it in.
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Matthasaproblem: It was down to 18F the night before this happened, but I didn't take the car out until around three that afternoon, temperatures were back up to around 50 or a little over by then.
Fats: Yeah, the fluid level was double-checked, that was definitely alright.
Cold fluids will tend to make it stick in a lower gear on acceleration, and/or shift harshly when it does pop to the next cog in line. What you've got are symptoms of a failng torque convertor.
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I'm still going to take it in on monday and have them check it out, I'll mention the torque convertor idea when I bring it, too. Turns out my transmission warranty is the same as the car, 3 years/36k miles, so I'm out of luck with that.
This is what I'm going to look into if it really is an issue. I don't want to fix it just to have it happen again if it's an issue in Escape transmissions like it seems to be.
In other news, I took it out today and it ran fine, at least. Accelerated fast and slow and had no issues either way.