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2001 V70 tranny problems

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2001 - 2007 V70
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Re: 2001 V70 tranny problems

Postby precopster » 07 May 2012, 03:27

Adaptations need to be done with Vida/Dice.

I've read about rowing the gearlever multiple times b/w R, D, & N but I wasn't able to get the tranny into adaptation mode

I've attached the procedure sheet for adaptation. It may be that Volvo has disallowed entering this mode in their TCM programming so Indys and public can't DIY.
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Current cars: 1995 850, 2000 V70 non turbo, 2001 V70 XC project, 2002 XC70

What we used to own:1987 740 sedan, 2002 S60AWD, 1989 740 turbo wagon, 1985 760 V6, 1995 850 wagon, 1999 V70 project car.

In forum posts please call me Mike
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Re: 2001 V70 tranny problems

Postby Emil » 27 May 2012, 17:07

Short update on I rainy Sunday morning in ND.

Again, many thanks to all of you for your great insights and advice.

I rolled up my sleeves and changed out the servo cover and did 2 drain and refills (shied away from the flush). It went quite well. The old serve cover didn’t appear to be damaged but I put the new one in anyway. Also planning on putting in a magnaflo filter; figured it couldn’t hurt. The fluid was in pretty bad shape so all in all, it was well worth the couple of hours of work. The fact that the plastic engine cover was nowhere to be found made for a quicker work. How important is it to have that cover? Is it worth to try to find on and buy someplace?

Unfortunately, the servo cover and fluid change didn't appear to make any changes to the shifting. So if I am going to keep this car, I probably better consider changing the VB. What is the probability that the VB will make it all good again or if something else has gone bad, and what could that something "else" be? Still feel if I can make the tranny healthy again that I have a nice solid car to run up to 200K or so.

Thanks,
Emil
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Model and Year: Volvo V70, 2001 2.4T

Re: 2001 V70 tranny problems

Postby JRL » 27 May 2012, 21:37

I don't know how much fluid you changed but unless you went through an entire case of 12, it's not complete
Next, did you RESET THE ADAPTIONS?
The shift quality will never change until you do that.
and last, even after you do all of this properly, it can take up to 500 miles for everything to adapt properly
(if it will at all)
I wouldn't waste my money on a valvebody with 121K miles, much more will be worn out in the transmission than just the valvebody
2000 V70R Black, 122,000 miles (Wife's).
2006 XC70 White only 61,000 miles. New daily driver.
2000 V70R Silver, 36,200 miles!!! SOLD (I will regret this)!

Contact info for purchases: jrl1194 (at) aol (dot) com
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Re: 2001 V70 tranny problems

Postby precopster » 28 May 2012, 00:00

Ditto with JRL.

You need to change out the entire 12 quarts AND do adapts.

Hard driving/manual upshifting/downshifting over a 50 mile mountain run did the adapts for us but that was after 5 months and 800 miles so you won't see a change yet.

I would swap out the rest of the fluid and book it in at a dealer or get yourself a Vida/Dice from China and DIY.

Was the spring plate bent? Even a slight bend would upset shifting. My cover fell out in two pieces and was pretty chronic looking.
Current cars: 1995 850, 2000 V70 non turbo, 2001 V70 XC project, 2002 XC70

What we used to own:1987 740 sedan, 2002 S60AWD, 1989 740 turbo wagon, 1985 760 V6, 1995 850 wagon, 1999 V70 project car.

In forum posts please call me Mike
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Re: 2001 V70 tranny problems

Postby Emil » 28 May 2012, 16:31

Morning,

Since I only did two simple drains and refill I can only expect to have about 75% fresh fluid. I may drop it one more time after I run it a bit longer. I realize that a "flush" would be a more complete way of changing the fluid but I took the easy route this time.

I could not see any defect on the servo cover so for all I know it may have been changed out before even, although it was the old style (how do I get photos in here?)

I have read somewhat conflicting stories on the adaptation system. From what I can understand, at least from Volvo, is that it is always in an adaptation mode, so to speak. But no, I have not been able to reset it as I don't, yet, have the software/hardware to trigger it, and the next dealer is 5 hours away. Plan on going there though. I am pretty convinced the stop neutral has been disabled. No change in RPM when stopping, no lurch when taking off and no roll back when at an incline. But yes, I think I will drive it some more, taking it to Volvo for resetting and checking for newest programming chances; but no mountains within 12 hours to put her to the real test :-)

Few other questions:

1. Any suggestions on inner tierods? I have often used Moog for US cars (Rock Auto has good prices). The outers look to be recently changed but there is a slight play in the inners.

2. Brake pads rear. Any preference on brand and where to buy for Volvo?

3. I checked the timing belt and it is “NAPA” (not the brand of my preference but...). So I would have to assume it has been changed so I should be ok there. Your thoughts? Hope they changed the water pump too....

4. Would you trust your local Chevy dealer to do a decent wheel alignment job or is there some Volvo "trick" to it?

5. And the missing plastic engine belly cover. Is it a "must have" or is it just going to be a bit more dirt going in there? And if it is a must have, what would a good place to find one?

Thanks again for all the help.
Emil
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Re: 2001 V70 tranny problems

Postby Emil » 29 May 2012, 01:16

Forgot one thing....

Why is it that the tranny doesn't appear to exhibit any of the quirky shifting behaviors when it’s cold, the tranny that is? Is it because the fluid is more viscous?

Thanks,
Emil
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Re: 2001 V70 tranny problems

Postby jalex19100 » 07 Sep 2012, 19:41

Emil, you still driving this thing?

FYI, I have a 2001 V70 2.4t (174k mi) and I am in the same boat. I bought it last year (155k mi) and the transmission didn't exhibit any issues on the almost-20-minute test drive. On the way home after purchasing, a 30 to 40 min. drive, it just went nuts...hard upshift flaring, hard downshifts into 2nd, etc. (and the oil light came on too *bang my head*)

Over the past year, I've done a few things specific to the transmission, mostly a few months ago:
- drained and filled a couple of times with Toyota T-IV + lubeguard
- put some transtune in between those two drain and fills
- flushed it with IPD's flush kit with about 12 qts of T-IV and added some lubeguard
- replaced the B4 servo cover (mine fell apart when removed as mentioned above)
- cut my return line from the radiator and put a magnefine filter in where it was cut
- had the local Volvo Doctor check my software revisions and all was good.
- reset adaptations (can't remember if I did it a while back, but did it yesterday just to be safe)

I monitored the servos from VIDA while driving yesterday, and it seemed healthy...a larger amperage is read when it shifts, and then the open servos maintain a 780mA or so current while open. I occasionally feel like it repeatedly shifts softly back and forth between 3rd and 4th around 35mph, but I saw no servo changes. My fluid temperature ran a little hotter than the coolant temp by a few celsius but neither went over 100C (according to VIDA), usually 97C and 93C.

My symptoms take a while to appear, and usually only in 20 min. or more of stop and go traffic at low speeds. My mostly highway trip to work doesn't trigger the symptoms at all. Long trips, it's pretty rare until hitting traffic.

We'll see if it adapts, but I fear I am going to have to become good friends with the local Volvo Doctor to determine how much I should fix or I could end up replacing more than I need to.

Funny, I favor Moog as well. For the Volvo, I'd stick with OEM or Volvo brand replacements. IPD, FCP Euro are the two I've shopped from, but the other ones shown on this site are probably good, too. My dealer has been awesome at giving me a Volvo Club discount too (15-20% brings it close to FCP prices).

Just get pads from IPD, FCP or Volvo brand...any OEM replacement should be decent.

I get my alignment done at a great local shop and it's a pretty standard thing...no special pain for them.

You may want to replace the timing belt, water pump, but unless you are near 200k like me, I would just inspect it well and leave it, especially with the transmission issues.

I don't think the skid plate/belly pan is crucial, but I think it helps control airflow in the engine compartment and protect stuff from salt and debris. When I got mine, a couple of the holes for mounting mine were stripped and the back driver side hole was broken off of the skid plate (I use zip ties).

My transmission is perfect until it gets to full temp, as well. From what I've read, the transmission lock-up behaviour, and other things, change once it reaches full temp. If I manually shift from L - 3 - D, and back down, I actually don't feel like I see the hard shifting, so it's perplexing. I'm tempted to see what it would take to make my temp sensors read 10C cooler than reality just to trick the TCM.

Feel free to ping me sometime if you keep the car and maybe we can share info.

-Jason
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Re: 2001 V70 tranny problems

Postby precopster » 08 Sep 2012, 00:02

I have similar symptoms on my 2000 NA 5 speed and like yours is happy until warm. I've done everything you have done minus the Magnafine and while it's a100% improvement in drivability compared to previous performance when purchased it's still annoying me with occasional 3rd to 2nd bangs in traffic. There's a seller on eBay selling the Rostra solenoids for these AW55-50s as well as a inexpensive kit which is also claimed to solve our symptoms. Search for AW55-50 on eBay and you'll see the seller's ads.

These Christmas holidays I may give both kits a try and report back.
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Current cars: 1995 850, 2000 V70 non turbo, 2001 V70 XC project, 2002 XC70

What we used to own:1987 740 sedan, 2002 S60AWD, 1989 740 turbo wagon, 1985 760 V6, 1995 850 wagon, 1999 V70 project car.

In forum posts please call me Mike
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Re: 2001 V70 tranny problems

Postby jalex19100 » 10 Sep 2012, 18:22

Looks like they are $250, which seems reasonable. At that price, I'd consider sending the valvebody to Valve Body Builders in Canada for a little more $. The problem with just replacing the solenoids is that it doesn't fix any wear in the valve body. And for my car, I think they even have a redesigned valve body at Volvo to exchange for, which solves the delay in going from P to D.

If you get the valve body rebuilt, the factory tolerances are restored. I believe they'll machine the solenoid holes and put in upgraded/larger solenoids if those holes are worn.

On the other hand, according to Mark here on the Volvo Forums, it fixes the issue.

VERY tempting.
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Re: 2001 V70 tranny problems

Postby precopster » 10 Sep 2012, 23:39

Sure at around $500 you'll get a rebuilt valve body, though I doubt you'll get Rostra solenoids which are redesigned (perhaps specify these upon order for a little extra? )

The redesigned valve body at Volvo costs around $1,200 and is good value.

If we're going to split hairs, though there is a bushing in the trans case that also wears and the valve body doesn't include this, of course.
Current cars: 1995 850, 2000 V70 non turbo, 2001 V70 XC project, 2002 XC70

What we used to own:1987 740 sedan, 2002 S60AWD, 1989 740 turbo wagon, 1985 760 V6, 1995 850 wagon, 1999 V70 project car.

In forum posts please call me Mike
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Re: 2001 V70 tranny problems

Postby jalex19100 » 12 Sep 2012, 18:06

You are probably right about the rebuilt valve bodies.

Great local shop says ~$3500+ to replace my transmission with a new one. But then they said $3000 for the part, 10 hours labor, which would really be $4000. And if they use Volvo trans. fluid, another $100+.

Local Volvo dealer (Volvo club price) is $1125 for the valve body and $3150 for the transmission, $150 volvo fluid, etc.

Flipping through Sonnax docs, seems like it's 90% a valve body issue. Lots of explanations around heat and solenoid behaviour - http://www.sonnax.com/publications/tran ... -solenoids.

Looks like VW Beetles have had similar issues: http://newbeetle.org/forums/transmissio ... nty-2.html
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Re: 2001 V70 tranny problems

Postby jalex19100 » 26 Sep 2012, 22:04

I put in a Hayden 677 trans cooler this past weekend. I was going to put it before the magnefine filter, between the radiator and the transmission (the upper/return line), but when I looked at the radiator, it appears that it's leaking and all gunked up around the transmission-affected area (lower 1/3).

So, I changed my mind, sliced off the end of the other $100+ trans cooler hose and now have the transmission cooling hoses leaving the transmission, entering the hayden cooler, then through a magnefine in-line filter, then back into the transmission. I drain & filled it with Toyota T-IV and a little LubeGuard, replaced the magnefine filter and put it all back together.

Even after a lot of city driving, the cooler is still cool enough to touch. It does get hot, though. I haven't had any issues since.

I didn't bother making a box or mount, but mounted it on the lower driver-side part of the radiator, partially exposed through the holes in the lower bumper. I ran the zip-tie-like-posts through the A/C cooler, cut them so they didn't go any further (like through the radiator), slide the discs the posts lock to up between the radiator and A/C cooler and that seems fine. I don't like that it could potentially affect the A/C cooler stuff, but I just didn't see any good places to attach a frame or mount and I don't have a garage.

I could upload a picture, if anyone was interested, but it's a pretty bare bones job...nothing fancy. I wasn't sure it was going to work and I am still waiting for the ECM to switch the engine light with a code that means P155 (piss) "trans fluid never gets really hot anymore and that just bothers me. We'll see how long it lasts.
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Re: 2001 V70 tranny problems

Postby precopster » 26 Sep 2012, 22:41

Does Vida report lower temps now while driving? And how's the shifting behaviour with the new cooler?
Current cars: 1995 850, 2000 V70 non turbo, 2001 V70 XC project, 2002 XC70

What we used to own:1987 740 sedan, 2002 S60AWD, 1989 740 turbo wagon, 1985 760 V6, 1995 850 wagon, 1999 V70 project car.

In forum posts please call me Mike
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Re: 2001 V70 tranny problems

Postby jalex19100 » 26 Sep 2012, 23:10

It's only been two or three days, and I reset adaptation a week or two ago; time will tell. But so far, it's good enough that I don't even think about it now. I haven't had time to hook up vida and watch it while driving. Maybe I'll take a picture and look at it with Vida this weekend when I take a look at some other things.

My remaining issue is that I still get an occasional rough idle, almost like the MAF or PCV system needs cleaned. When I looked at it with VIDA a couple of weeks ago, the accelerator signal was 0% (via the ECM), but 8% from the accelerator, and that caused the cruise control to not come on and it did not want to idle. I remove/replaced the fuses for the ETM and ECM and it's mostly disappeared, but I still wonder what the cause was. Gremlins...
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