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Transmission seems to be slippnig a bit

  #1  
Old 10-06-2006, 11:55 AM
Thread Starter
Join Date: Sep 2006
Posts: 9
Default Transmission seems to be slippnig a bit

I have a 2001 S-80 2.9 with 59K. I noticed a few transmission quirks. It seems that the transmission slips a bit when I accelerate from a roll. Also, when i'm stopped at a light on an incline, the car rolls for a few feet as if it was in neutral. Finally, as i'm decelerating, when I hit about 5 mph, if my hand is resting on the gear selector, I feel a noticable "knock". Has anyone has similar experiences? Could these be software issues?
Thanks in advance.
 
  #2  
Old 10-06-2006, 02:09 PM
Join Date: May 2006
Location:
Posts: 290
Default RE: Transmission seems to be slippnig a bit

I have a 2000 S80 with 60,000 miles on it and I have not ever notice those things. "Tech" will be able to definatively answer your question though.

Have you had any transmission service done? ie. Transmission fluid flush
 
  #3  
Old 10-06-2006, 02:19 PM
Thread Starter
Join Date: Sep 2006
Posts: 9
Default RE: Transmission seems to be slippnig a bit

I don't know the service history of the car. I only purchased it about 6 weeks ago. Love it otherwise. Thanks for your input.
 
  #4  
Old 10-06-2006, 08:22 PM
v70 2.4t's Avatar
Senior Member
Join Date: Jul 2005
Location: Sydney, Australia
Posts: 358
Default RE: Transmission seems to be slippnig a bit

Both sofware upgrades & transmission flushing worked very
well for my v70, Volvo don't recommend flushing unless you have towed alot with the vehicle,
They say the tranny is a "fill for life".
When my tranny Mech dropped the ATF he said it was putrid. so much for a "fill for life fluid"
Don't wait around too long, get it done ASAP, when the damage is done its
done.

v70 2.4t
 
  #5  
Old 10-06-2006, 09:33 PM
Join Date: May 2006
Location:
Posts: 290
Default RE: Transmission seems to be slippnig a bit

Like V70 said, I have hear that the fluid is meant for the long haul, in fact I had a difficult time determining when the best time is to get the flush done. "Tech" recommended that you have it done around 50000 miles.

I had mine done at 60000 and the mechanic said I had some more miles on it, but I told them to do the flush anyway. I figure it can't hurt any to get it done earlier, and at a 150 dollars it's not that expensive as far as routine maintenance goes.
 
  #6  
Old 10-06-2006, 09:48 PM
tech's Avatar
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Join Date: Sep 2004
Location: Orlando, Florida
Posts: 36,351
Default RE: Transmission seems to be slippnig a bit

It could very well be Software related.

The click you feel is Normal a soleniod activates so that the car can't accidently be put in reverse when going over that speed. Safety function.
 
  #7  
Old 10-09-2006, 12:07 PM
Thread Starter
Join Date: Sep 2006
Posts: 9
Default RE: Transmission seems to be slippnig a bit

Thanks everyone. I'm going to have my transmission software upgraded/updated. I'll post if there is any improvement.
 
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