1994 Plymouth Voyager

Tiny
NINJADOG
  • MEMBER
  • 1994 PLYMOUTH VOYAGER
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 136,500 MILES
I am apologizing for the long question, but I wanted to make sure that I didn't leave any information out. I was driving home from work and I got stuck behind an 18 wheel truck while going up a hill. While I was behind the truck I was traveling about 35 to 37 miles per hour. As I was driving the car felt like it was shifting between gears as I was speeding up and slowing down, but at a gradual pace. When I approached the stop light at the top of the hill everything seemed fine, but when I put my foot on the gas the car got up to speed at an unusually slow rate. I know that there is something wrong with the car, but I don't know what. Prior to the incident, about 3 months earlier, I got a regular routine tune-up for the car that the manuel stated that it should be done at that mileage. However, what I know is that the car shifts between park, neutral, reverse and drive like it normally should, but the strange thing is that it doesn't seem ti shift into second or first gear as if they don't exist. The car starts fine and functions normally in reverse and as I stated before it takes a while for the car to gain speed. The car does shift while in drive and once it gets up to speed it functions normally. The only time it doesn't function normally is at low speeds, some where between first and third. I checked the transmission fluid which is about half an inche above that hot mark when the car has only been on for the recommended 60 seconds. I have called transmission specialists and they seem to think that it is the transmission, but even they are not sure because the car still moves. I want to get another opinion before I bring the car in for inspection.
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Thursday, October 22nd, 2009 AT 2:30 PM

5 Replies

Tiny
SERVICE WRITER
  • EXPERT
Hey Dog,

IS this the original transmission?

When was the last filter change?

Has there been a leak that was repaired in the last year?

Has there been any other fluid than atf + 3 added?

When the symptom of gradual acceleration happens, which is it :

-Struggles to gain speed, maybe chugging a little,
or
- engine idle speed increases ( engine races) but vehicle speed increses slowly.
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Thursday, October 22nd, 2009 AT 8:03 PM
Tiny
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This is the original transmission. The last filter was changed with the tune-up. There was no leak prior to buying the car. The tune-up changed the engine oil along with the filter. The engine idle speed increases, but vehicle speed increases slowly.
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Friday, October 23rd, 2009 AT 2:12 PM
Tiny
SERVICE WRITER
  • EXPERT
Okay so it is slipping.

I menat the transmission filter, not engine oil filter.

IS the trans fluid low?
This fluid should be atf + 4 or it will cause problems.

If the fluid is dark and since it is original, my bet is your headed toward a rebuilt or a used tranny on this one.
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Friday, October 23rd, 2009 AT 2:17 PM
Tiny
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  • MEMBER
No the transmission filter was not changed. The fluid is not dark and there is too much fluid.
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Friday, October 23rd, 2009 AT 5:39 PM
Tiny
SERVICE WRITER
  • EXPERT
Impressive that a 134,000 mile caravan has clean fluid and is original. And original filter no less.

Based on the past history of these transmissions and the circumstances you state, plan on a transmission.
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Friday, October 23rd, 2009 AT 6:42 PM

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