TRANSMISSION UPSHIFTS WITH A SLIGHT JOLT BUT DOWNSSHIFTS SMOOTH
TRANSMISSION all of a sudden began upshifting with a slight jolt, but downshifts smooth. It's a 94 E150 with OD. it has 110,000 miles on it. it has been fine but one very cold night it began acting up. It was warmed up properly, the fluid does not smell burned, and is of the proper level. My first thought is to replace the fluid and screen, but beyond that I don't know. Please help, I live on a fixed income, I can afford much. I take care of and need the van for my handicap brother. Please help
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Re: TRANSMISSION UPSHIFTS WITH A SLIGHT JOLT BUT...
Replace fluid and filter but add a bottle of Lucus Transmission additive. It will make tranny run cooler, shift smoother, renew bands a seals. Its also good to just put in all your cars to help make them last longer.
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Try first to put tranny in learning mode by placing key in on position and depressing accelerator to floor and hold for threee seconds. If that doesnt help contact dealer concerning a flash update. Other than that it's time for serious considerations.
I'm not sure but i was told it is used for trailer towing,it keeps the transmission in the lower gears longer on the upshifts and downshifts sooner then in the "a" or auto mode.Your operators manual can confirm this.
NO: 43-37 DATE: 2-25-2003 MODEL: MY 2001-2002 S60, V70, V70 XC SUBJECT: Shift Quality Issues due to B4 Servo Cover Failure, 2-3 upshift harshness or flare CHASSIS: These chassis breaks are approximate: S60: 062000-152000 V70: 116000-230000 V70 XC: 036000-067100
TRANSMISSION SERIAL NUMBER: The first 3 digits of the serial number on the affected transmissions will be between 01C (March 2001) and 01L (December 2001). DESCRIPTION: In the AW 55-50, brake number four (B4), is only applied in 3rd gear. The B4 is applied by a piston, which is covered by an aluminum cap. This cap has a steel washer crimped to its inside surface, and a rubber cushion that sits between the cover and the washer.
If this washer breaks free from the crimps it will become concaved because of the B4 piston return spring pressure. This loose washer can cause:
" 2-3 upshift flare / slip
" Harsh 2-3 upshifts
" 3-4 upshift flare / slip
" Harsh 4-3 downshifts
Replacing the broken B4 cover with a new one (PN 30651771) will remedy these symptoms.
hi, its best you get this looked at soon as possible the chances are it could just be that you need the fluid topping up and will need checking for any leaks. The problem is if it gets to bad then replacing an auto box is very expensive and is hard to do so its best you get it looked at before it gets beyond repair. Taking it into a garage will be your best option as they will have a special tool for testing the pressure in the auto box and also the fluid level. If it has got to bad and cant be solved by fluid alone then the cheapest option would be to get a reconditioned box and getting this fitted as a new one will cost a fortune. Hope this is some help to you let me know how you get on or if you have any questions ok