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Transmission cooler installed

Help, Advice, Owners' Discussion and DIY Tutorials on Volvo's stylish, distinctive "P2" platform cars.

2001 - 2007 V70
2004 - 2007 V70 R
2001 - 2007 XC-70
2001 - 2009 S60
2003 - 2007 S60 R

Rvolvos
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Year and Model: 2006 xc70
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Rvolvos

Transmission cooler installed

Post by Rvolvos » Mon Jun 29, 2020 10:26 pm

Got around installing a transmission cooler for our 2006 V70.
Purchase a cooler from Ebay, had already a Magnafine filter installed in an attempt to increase the lifespan of the transmission and 5 drain and refills. Replaced the filter again.

In an attempt to increase the air flow to the radiator I relocated the horns left and right of the air dam. Used the horn mounting point for the upper cooler mounts. The hoses are routed behind the crush bar.

Ambient temperature Was 90 F, measured oil temperature out of the radiator cooler, 80 degrees C , atf going into secondary cooler 75C, going out 35C. All measurements done with infrared thermometer.
During driving max. Recorded transmission temperature with Vida 95C.
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2006 XC70 2.5T 190k
2006 V70 2.5T 152k
2011 C30 T5 AW55-50SN 99k
2011 C30 T5 M66 66k

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darrylrobert
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darrylrobert

Re: Transmission cooler installed

Post by darrylrobert » Tue Jun 30, 2020 8:11 am

Is the stock radiator oil cooler not effective?

Rvolvos
Posts: 109
Joined: Sun Apr 01, 2018 6:32 pm
Year and Model: 2006 xc70
Location: California
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Rvolvos

Re: Transmission cooler installed

Post by Rvolvos » Tue Jun 30, 2020 1:21 pm

The general consensus is, an additional transmission oil cooler helps getting the oil temperature down which increases oil life and life of the transmission. I am planning on doing this on all of our cars with an automatic transmission. Cheap insurance.
2006 XC70 2.5T 190k
2006 V70 2.5T 152k
2011 C30 T5 AW55-50SN 99k
2011 C30 T5 M66 66k

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abscate
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abscate

Re: Transmission cooler installed

Post by abscate » Tue Jun 30, 2020 7:32 pm

darrylrobert wrote:
Tue Jun 30, 2020 8:11 am
Is the stock radiator oil cooler not effective?
Volvo transmissions routinely run 300k with routine maintenance in stock configuration.
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A Captain in a Sea of Estrogen
1999-V70-T5M56 2005-V70-M56 1999-S70 VW T4 BMW
Link to Maintenance record thread
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Rvolvos
Posts: 109
Joined: Sun Apr 01, 2018 6:32 pm
Year and Model: 2006 xc70
Location: California
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Rvolvos

Re: Transmission cooler installed

Post by Rvolvos » Tue Jun 30, 2020 10:14 pm

abscate wrote:
Tue Jun 30, 2020 7:32 pm
darrylrobert wrote:
Tue Jun 30, 2020 8:11 am
Is the stock radiator oil cooler not effective?
Volvo transmissions routinely run 300k with routine maintenance in stock configuration.
Well this car ( vin ending with 13) had the transmission replaced by the previous owner under warranty at 100k
When I bought it (140k) started with drain and fills because the transmission fluid was black.
The car Is going to move to SoCal with ambient temperature higher than in NorCal I figured an additional cooler could prolong the fluid life.

Routine maintenance is not recommend by Volvo and none of the first owner do this and sell the car when it becomes old, the one who do, don’t sell the car ;-) I have bought 5 Volvo’s with no maintenance done to the transmission. Last car a white C30 donor car, one owner, family member of Volvo sale manager. No service records on transmission maintenance.
2006 XC70 2.5T 190k
2006 V70 2.5T 152k
2011 C30 T5 AW55-50SN 99k
2011 C30 T5 M66 66k

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