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Thanks, I'm not learned enough to rebuild a transmission. Wished I was. I later found out it was 1 1/2 quarts low with dirty ATF. And you were right it didn't do any internal damage. The shift solenoid (I think) may be sticking and the overdrive does not up-shift properly when slowing down. I am...

The engine is fine. The transmission over-heated on the way back. It is a vehicle seldom used and after reaching regular driving temperature showed to be a quart low on ATF. It did not slip, initial problem was there was no up shift after driving thru 1st, 2nd & 3rd gears.

After the initial 5 mile round-trip drive to fuel up the vehicle the transmission proved to be one quart low. That would have some effect on shift solenoids. Since the unit overheated in the short trip to the service station I will drop the pan and filter and hope for the best. There was enough...

Yeah, I've been down that road. I used a recommended 0w-20 motor oil in a certain engine to boost gas mileage. I could literally hear the metal parts contacting each other. The EPA has their rules. It doesn't make equipment last longer for sure.

Thanks. When the packaging/labeling changes you wonder if you are getting the same fluid. Just one change in management and there's cost-cutting for a company producing a lesser product to save a few pennies.

Subject: 1. Valvoline Dexron-VI Full Synthetic 2. Valvoline Full Synthetic Dexron* VI/Merson* LV For use in 2013 Silverado 4.3L V-6, 4L60E Transmission I recently drained 5 quarts ATF (#1 above) and refilled transmission with the newly supplied ATF (#2 above). After receiving the hairy...

Thank you Lubener. I did not know the shift solenoids were magnetic devices. That poses a problem~ the Ford A4LD unit has very few people that rebuild them. The main reason parts are hard to find and most A4LD transmissions are in junk yards or worse.

Thanks for the replies. I plan on replacing the fluid/filter. Another thought:: Would the OEM transmission cooler have any effect on the line pressure being lower? Running fluid through the radiator only could help line pressure? The vehicle will be light use if kept running. Thanks.

Hello, I have a 1992 Ford Ranger with the A4LD automatic transmission. The vehicle has 238,000 miles on it. The truck is still nice looking enough to donate to a local mission. The transmission has not been operated in the past ten years except on rare occasions. At one time there was stop leak...