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04 C70 convertible transmission...slip?

Help, Advice and DIY Tutorials on Volvo's extremely popular car line -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.
1992 - 1997 850, 850 R, 850 T5-R, 850 T5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70
jinxd12
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Year and Model: 04 c70 conv LPT
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04 C70 convertible transmission...slip?

Post by jinxd12 » Mon Jun 11, 2018 1:52 pm

I just acquired a beautiful 2004 C70 convertible from my parents, they moved and cant use the car...lucky me! After driving the car for the past week a few things are bothering me, probably because Im used to driving my newer truck. None the less this isnt my first Volvo so I know they have their quirks.

On to my issue, every once in a while it feels like the automatic transmission slips, the RPMs don't jump all over the place so its odd to me. I feel like this happens randomly and usually between 1st/2nd gear at low speeds.

I do not know when the last time the tranny fluid was changed, so that is on my list of things to do. Was kind of wondering if anyone had any insight to issues like this.



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Re: 04 C70 convertible transmission...slip?

Post by Klausc » Mon Jun 11, 2018 6:23 pm

If it is a 5 speed, you will need to know if the TCM/TCU has been updated at the dealer. By all means, flush the 3309 fluid.


Klaus
If I had a larger garage, I could have more Volvos.

jinxd12
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Year and Model: 04 c70 conv LPT
Location: az
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Re: 04 C70 convertible transmission...slip?

Post by jinxd12 » Mon Jun 11, 2018 6:39 pm

It is an automatic, not a 5 speed manual. Any other ideas?



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Re: 04 C70 convertible transmission...slip?

Post by Klausc » Mon Jun 11, 2018 6:44 pm

I was referring to your car as an automatic with 5 speeds rather than a 4 speed automatic, the manual boxes have 6 speeds. The 5 speeds have a programmable TCU.


Klaus
If I had a larger garage, I could have more Volvos.

jinxd12
Posts: 16
Joined: Mon Jun 11, 2018 1:26 pm
Year and Model: 04 c70 conv LPT
Location: az
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Re: 04 C70 convertible transmission...slip?

Post by jinxd12 » Mon Jun 11, 2018 6:53 pm

Oh, I apologise for the misunderstanding. How would I find out if it was updated at the dealer? My car has Drive,4,3,L next to the shifter, with the winter driving option. Also it's a 2.4 LPT



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Re: 04 C70 convertible transmission...slip?

Post by MDK » Mon Jun 11, 2018 7:12 pm

Like the others said a flush is good and an update... however ... I know this may seem strange... but I would change all motor mounts including the little one on the transmission with lemforder brand or something... not necessarily OE .. But something comparable. FCP EURO....IPDUSA.COM. for some reason it takes out the slack in the drive line. Especially if they have never been done...MDK



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Re: 04 C70 convertible transmission...slip?

Post by Klausc » Mon Jun 11, 2018 7:27 pm

Ask where your parents got the car serviced, and then call them to find out about software updates.


Klaus
If I had a larger garage, I could have more Volvos.

jinxd12
Posts: 16
Joined: Mon Jun 11, 2018 1:26 pm
Year and Model: 04 c70 conv LPT
Location: az
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Re: 04 C70 convertible transmission...slip?

Post by jinxd12 » Mon Jun 11, 2018 7:37 pm

I talked to my old man, he has replaced the upper and lower torque mounts but not the sides, should I attack the sides?

He has had the car serviced at Volvo a few times, but it gets expensive. He is a mechanic by trade so he typically takes care of the cars himself.

He has changed the fluid 2 times with the Volvo 3309 and added Lucas treatment, he is unsure of the update but thinks it was done. Can I call Volvo to inquire about this?

Other than this hiccup the car is getting 27.7 mpg out here in the hot Az sun with AC on all the time!



jinxd12
Posts: 16
Joined: Mon Jun 11, 2018 1:26 pm
Year and Model: 04 c70 conv LPT
Location: az
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Re: 04 C70 convertible transmission...slip?

Post by jinxd12 » Tue Jun 12, 2018 8:42 am

I just found this nugget of information from a Volvo website. Is this in fact correct, if so it goes against all of what everyone has commented on. I am now confused!!!

"Software updates apply to all Volvos from model year 2000 onward, with the exception of the Volvo C70 up to model year 2005 and S/V40 up to model year 2003. The complimentary software updates are for enhancements for your car only. Charges apply for new software required as part of a repair or accessory installation"

http://volvo.custhelp.com/app/answers/d ... re-updates



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Re: 04 C70 convertible transmission...slip?

Post by scot850 » Tue Jun 12, 2018 12:20 pm

I would still talk to Volvo. I occasionally get a similar issue. My 2000 V70R theoretically is not covered, but it has the same 5 speed trans as the first P2's so could have a trans that can be affected in the same way. I know my dealer well and the foreman says the next time it is in he will have the guys check the serial number to check it for the B4 servo issue, which supposedly only affects the S60, V70 and XC70 from 2001-2004? if I recall correctly. If your car has a 5 speed auto, then I would argue the case unless they can give you a very good reason and proof why your trans would not be similarly affected.

Neil.


2000 V70 R - still being an endless PITA
2006 XC70
2003 Toyota 4Runner V8 Limited
2015 Kia Sportage EX-L
1993 850 GLT -Sold
1998 V70 XC - Sold
1997 Volvo 850 SE NA - Went to niece in California - Sold
2000 V70 SE NA - New project and test bed - Sold

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