Strange Problem - '93 940Turbo AT/Accelerator/Heat

  • Thread starter Thread starter DH
  • Start date Start date
D

DH

In fairly cold weather (10-20F), the car starts and can be put into gear but
the accelerator can't be depressed (seems to be stuck - but it's not).

Then, when the accelerator is FIRMLY depressed - or the car warms up - the
transmission won't shift out of first.

When the car gets fully warmed up, everything's normal. It is
temperature-sensitive, for sure. I drove it at 38F with no trouble, once it
warmed a bit.

Thinking it might be low transmission fluid, I had it flushed and refilled.
Still have the problem. Could be the shop didn't fill it per spec, of
course, but I did check the dipstick before the engine was fully warmed up
and it seemed like there was plenty of fluid in there. Too much?

The one other thing that's a tad weird - as it idled on a cold day, the car
heater worked just fine. When I got it out on the road, though, cold air
started to blow from the vents. Engine temp guage rises to normal and stays
there.

Any thoughts?


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DH said:
In fairly cold weather (10-20F), the car starts and can be put into gear but
the accelerator can't be depressed (seems to be stuck - but it's not).

Then, when the accelerator is FIRMLY depressed - or the car warms up - the
transmission won't shift out of first.

When the car gets fully warmed up, everything's normal. It is
temperature-sensitive, for sure. I drove it at 38F with no trouble, once it
warmed a bit.

Thinking it might be low transmission fluid, I had it flushed and refilled.
Still have the problem. Could be the shop didn't fill it per spec, of
course, but I did check the dipstick before the engine was fully warmed up
and it seemed like there was plenty of fluid in there. Too much?

The one other thing that's a tad weird - as it idled on a cold day, the car
heater worked just fine. When I got it out on the road, though, cold air
started to blow from the vents. Engine temp guage rises to normal and stays
there.

Any thoughts?
Click to expand...

I took it into the local Volvo dealer. It was a combination of problems:

Water pump and thermostat.
Kickdown cable on the transmission (an expensive repair but the transmission
itself did not need replacing).


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