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S80 T6 automatic problem.

Help, Advice, Owners' Discussion and DIY Tutorials on the Volvo S80 model. Sometimes called an "executive car", the S80 was and continues to be Volvo's top-of-the-line passenger car.
LittleMissTitan
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S80 T6 automatic problem.

Post by LittleMissTitan » Wed Feb 27, 2019 10:09 pm

Firstly hello. First post but many visits here.

I have a 2002 S80 T6 with 4T65EV-GT gearbox.

1st gear no drive.
2nd gear slipping.
3rd up wards ok.
Oil looks and smells ok.

Will not pull away in D or D winter mode, manually select 3rd and you can pull away but obviously slowly and not on a hill.

Ideas to possible problem??

Ashley



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SuperHerman
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Re: S80 T6 automatic problem.

Post by SuperHerman » Sat Mar 02, 2019 11:40 pm

How many miles on your vehicle? Does the transmission behave any differently after it is warmed up or is it always the same? How long has the problem been going on? The 4T65E is a transmission with issues.

See here to see if you can line up your problems (I couldn't)(Also Dave at Triple Edge is a great guy to work with - maybe shoot him an email): http://www.tripleedgeperformance.com/4T ... blems.html

Have you got any codes? As your transmission doesn't match the usual failure problem it could be a failed solenoid or maybe one of the accumulators. Need more information and codes.



LittleMissTitan
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Re: S80 T6 automatic problem.

Post by LittleMissTitan » Sat Mar 02, 2019 11:57 pm

Always the same cold or hot.
120,000 miles
The problem literally happened overnight but have driven for prob 500 miles like this with no change.
I have emailed triple edge but no reply (3days ago)
No codes when had it sent to Volvo specialist BUT transmission fault light is now on, sommay we’ll have codes now.
I did try to match symptoms but like you cannot find anyone with this scenario, always appears to be Different pair that fails.



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SuperHerman
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Re: S80 T6 automatic problem.

Post by SuperHerman » Sun Mar 03, 2019 12:35 pm

Agree - that is why the codes will be helpful. You could have a solenoid that went bad. It appears possible to test the solenoids from outside with a VOM with the transmission still in the car going through harness. Send me a pm with your email.



bluesguys80
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Re: S80 T6 automatic problem.

Post by bluesguys80 » Sun Apr 07, 2019 6:57 pm

I have this current issue. Codes are the pressure solenoid stuck open. My car will drive for about 2 miles then go into neutral. Will not take off in 1, 2 barely moves in 3rd. I did a pan drop with filter change. Ran good for about 75 miles and it happened again. Unfortunately no one in my area works on Volvo transmissions. In the same boat i am. No nownits just sitting in my grass collecting pollen.



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RickHaleParker
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Re: S80 T6 automatic problem.

Post by RickHaleParker » Sun Apr 07, 2019 9:27 pm

bluesguys80 wrote:
Sun Apr 07, 2019 6:57 pm
Unfortunately no one in my area works on Volvo transmissions.
It is not a Volvo transmission. It is a General Motors 4T65EV. It is a different configuration then the 4T65EV used in GM cars but, a Transmission specialist versed in GM transmissions should be able to figure it out.


Platform: P80 1998 C70, B5234T3, AW50-42, Bosch Motronic 4.4, Special Edition package, Plant: Uddevalla Sweden.

Platform: X40 (Nedcar) 2003 S40, B4204T3, AW55-50/51SN, Siemens EMS 2000. Plant: Born Netherlands.

Platform P2 2005 XC90 T6 Executive, B6294T, 4T65 AWD, Bosch Motronic 7.0, Plant Torslanda Sweden.
----------------------------------------------------------------
1997 S90, B6304S, AW30-42, Bosch Motronic 4.4 - Sold

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SuperHerman
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Re: S80 T6 automatic problem.

Post by SuperHerman » Mon Apr 08, 2019 1:28 am

Two points. First as Rick states the transmission is a very slightly modified GM 4T65E transmission. Other than a few hard parts which are larger or slightly different, the rest of the transmission is GM. All of the solenoids are GM. All of the clutch packs save for one are GM. Every major transmission supply source carries the Volvo add kit. If they can work on a front wheel drive Chevy Impala they can work on your transmission. In fact, a few of Volvo's changes were actual updates in the later GM cars.

Second point, to get to the solenoids one has to suspend the engine, pull off a bunch of parts, and then tilt the engine towards the driver side until the valve body cover clears the frame rails. This is exactly what one does for, a Chevy Impala. Of course one call pull the entire transmission if one wants. This can be done with engine by dropping the engine cradle or just dropping the transmission. Exactly like on an Impala, but the parts removed are made by Volvo. The cars are not the same, but the basics are exactly the same.

If I brought in your transmission to 99.9% of the transmission shops at first glance they would say it is a GM 4t65E.

Back on point. To repair your transmission solenoids, if that is in fact what the issue is, one would be better off doing a rebuild while you are at it. It is more work, but only about $250 more in parts. If you do some searches there is a guy in the UK that did the transmission rebuild with the transmission staying in the car by tilting it to do the valve body and then taking off a few more parts to get to the transmission internals. He used, as I used, a video of a guy on the internet doing the same to his Chevy Impala. I did it to my XC90, which is basically the same.

It is not an easy job, but you can ask around for shops that can do a Chevy Impala with a 4t65E, ask if they will rebuild it in car (not likely but there are shops that will do it) and then provide them with the Volvo VIDA steps to access the valve body if they are afraid. It really is the exact same thing. The ATSG manual I used was for GM cars, with a small section that notes the differences. But getting there is the same and any transmission guy or gal will not blink. In car rebuild will be your cheapest route, not optimal, but should work without issue. Otherwise expect to pay about $2500-3000 for a full remove and rebuild.



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Re: S80 T6 automatic problem.

Post by MoVolvos » Thu Apr 25, 2019 10:05 pm

*

https://tripleedgeperformance.com/Volvo-S80-XC90.html
Excerpt From "Long sliding shifts":
"Often times if the transmission has low mileage and is in good internal condition you can upgrade the factory 1-2 and 2-3 accumulator parts with ones from a Transgo Shift Kit and this is a good aid to help get clutches to apply when they should. A shift kit does not make up for excessive clutch clearances but does speed up the time the clutch will apply."

Hello All, I just rejoined MVS (thanks Matt) after being away for over 4 years. Currently own a 2003 S80 T6 and 2008 C30 T5 Manual. The S80 has around 130K and since purchased last Dec has only been driven once or every other week. I DIY the Transgo Kit last week, along with a trans filter change, replaced a hose internally and did a full flush using the cars pump. The car now glides, has quick response off the line and quick, smooth positive up and down shifts. Feels more powerful during those low rpm cruising in city driving. Almost all gone also is the low hum droning noise cruising at low rpm. I have not driven this car hard or fast as the suspension is too pillowy compared to the 3 others cars. I can say though that downshifting to speed up is very quick and positive. In this post I will link to the parts and videos that helped me do this work.


PARTS:

1) IPD - 4 New Seals On The Radiator Transmission Hose & 2 Green Clips. I should have bought this kit but only purchased the clips. AutoZone ran out of the O-Rings so the Volvo Local Dealer... :cry:
https://www.ipdusa.com/products/5777/11 ... l-kit-1999

2) FCP - Volvo Transmission Filter Kit - Meistersatz 271697 - Good Kit, Gasket rigid, looked identical to Volvo's & can be reused once or twice according to some DIY'ers.
https://www.fcpeuro.com/products/volvo- ... c90-271697

3) eBay - Transgo Shift Kit SK 4T65E - Purchased from this supplier and will not use everything in the kit - See installation video
https://www.ebay.com/itm/Transgo-Shift- ... 100623.m-1

4) Amazon - HAVOLINE 226536481-12pk Full Synthetic Multi-Vehicle ATF - This went up $11 dollars a case from last year when I purchased it. Had 10 Quarts and use 5 of Swepco along with it. Dry fill is around 14 quarts according to my helper (son) so we just flushed till fluid was clean. Amazon links won't post for some reason.

5) SWEPCO 714 Heavy Duty TO-4/C4 Transmission Fluid - Estimate now around $200 case of 24 so put in last during the flush not to waste it
https://www.swepcolube.com/products/swe ... sion-fluid

6) Amazon - Wolf's Head 836-92866-56-Case Motor Oil (SYN ATF) - Purchased this 3 days ago and Amazon has taken over the company that sold this and increased the price by $13 a case. Read about this in a forum and was at $61 plus change for 12 quarts so ordered it. The Havoline was at $82 the other day so did not purchase another case for flushes to the GS300 coming up. Amazon links won't post for some reason.

7) O'Reilly Gates Transmission Hose - Under $4.00 a foot. Do not use fuel or other hoses. This one is cut to about 4" only and is submerged in the pan between 2 steel tubes. Will see this in both installation videos below.

8) Apparently 8 with ")" is someone with sun glasses. Hayden 1405 Model - Extra Heavy Duty Driving - I installed this on my 2003 Odyssey with 222K miles on the original transmission. Purchased van used with 155K. Did drain and fills only as these are sensitive and weak transmissions. Started to feel a slight slip a couple months ago and when the radiator went out my friend gave me one which Amazon replaced for him because the box arrived heavily damaged. Since the trans-cooler portion was aluminum rather than the OE brass the threads stripped immediately. Had the 1405 sitting around so bypass the radiator. Van is slightly sluggish for a block or two during colder winters but with the 2 quarts of Havoline and 2 quarts of Swepco it is very smooth. I check the S80 for room and will purchase and install in the future. I would however run this inline with the radiator. If you do this during the Shift Kit installation the bottom shield will be off and you can potentially install this from the bottom without removing the front bumper, albeit it is very tight to work around. Will know when I tackle it.
https://shop.tripleedgeperformance.com/ ... r-1405.htm
Same vendor that sold the Shift Kit
https://www.ebay.com/itm/Hayden-Transmi ... SwPYZU7LwP


VIDEO HELP:

At first glance it may seem daunting but it's actually fairly easy. Some of the Kit's Parts are for the Valve Body which means a tear down so won't be used. (EDIT: Remove the fluid in the pan by flushing 2 to 3 quarts out from the lower hose so that you won't get fluid all over yourself during the pan removal. See first video for clarification.)

1) Transmission Filter Replacement & Flush - At 6:07 & 8:04 look to the upper left and left center respectively of the video and you'll see the black hose that needs to be replaced. After removal of the 2 O-Rings of the lower transmission line I slipped a clear hose over the line in order to see the fluid as it is expelled. Do not put the new O-Rings on till this is done so it does not ripped them when the clear hose goes on. Obviously the flush is done after the Shift Kit is installed and everything is put back.


2) Transgo Kit - The Sonnax Retainer in the first video is not necessary if you replace the hose. The metal line won't slip out but if you don't feel comfortable you can use a hose clamp. Please see the videos for clarification.



This car is very sensitive to the correct trans-fluid level. If after replacing and filling there is improvement but a slight intermittent bucking, triple check the fluid level. Took two test drives after warm up to figure out which was the correct fluid line on the stick. I was really disappointed / devastated at first to say the least :? .

Lastly, just beware and so you know the hose inside the pan is not available from GM and if they had it it's in bulk (roll). Call the local Aamco initially to see what they used. Wouldn't tell me or sell it to me but assured me my transmission is shot and should tow it in ASAP. Only $2K to fix it of course :roll: . Told him no thanks but would put it back since it was already torn apart to see if the Kit would fix the problem. I hope this will help someone's transmission problems.

*


Blessings,

BKM

1998 S70 T5 - Donated
2003 S80 T6
2003 GS300
2003 Odyssey
2008 C30 T5
2019 Atlas SE 4 Motion

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