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coolant leak??

A mid-size luxury crossover SUV, the Volvo XC90 made its debut in 2002 at the Detroit Motor Show. Recognized for its safety, practicality, and comfort, the XC90 is a popular vehicle around the world. The XC90 proved to be very popular, and very good for Volvo's sales numbers, since its introduction in model year 2003 (North America).
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chitownV
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Year and Model: 2008 XC90 3.2
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Re: coolant leak??

Post by chitownV »

The 3.2 uses the Euro blue coolant, known as G48 spec. Zerex G48, Zerex Euro, Peak Euro, are some of the types you can usually find at local stores.
2008 XC90 3.2 AWD - 164k miles, Premium, Versatility 7 passenger, Climate, Convenience, retrofit Morimoto D2S HID bi-xenon, iPd swaybars & poly bushing inserts, Powerflex poly control arm bushings, Bilstein Touring Fr struts, Continental CrossContact LX25 255/55R18, Fr Infinity tweeters & speakers, hardwired cheap $17 Bluetooth to center console aux & pwr, CQuartz UK 3.0 ceramic coated, no oil consumption using Mobil 1 0W-40 even w/ my lead foot

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pgill
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Post by pgill »

For where you live 50:50 Coolant to distilled water (unless you purchase coolant that is already 50:50)

Take a look at this blog

https://blog.fcpeuro.com/how-to-pick-th ... r-your-car

The G11 Glysantin G48 (HOAT, Silicates) (VW G11, Volvo, BMW, Mercedes) is an older technology.

I have upgraded my coolant systems to

Glysantin GG40 ("Si-OAT" - hybrid organic acid technology)(VW G13)


You can get if from VW or Audi just ask for G13 or you can get it from Pentosin --> Pentofrost E

The G11 isn't compatible with G12
The G11 is compatible with G12+
The G11 is compatible with G12++
The G11 is compatible with G13

Good luck

Paul

ylwgto
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Post by ylwgto »

ordered the hose, o-ring and thermostat. eager to see if my thermostat is bad! will report back.
2009 XC90 3.2 R-Design 135K

ylwgto
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Post by ylwgto »

Did this job today.

You were all right, the thermostat WAS broken...terrible design. The plastic end of the hose was also broken just as you all suggested it would be...it is amazing it did not just pop out from coolant pressure on the freeway.

Terrible job to replace the thermostat under the manifold, but got it done and it is all good now. thanks!
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2009 XC90 3.2 R-Design 135K

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pgill
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Post by pgill »

Well done!!!

The 3.2 is a really great engine but it needs care and attention.

Now that you have completed Letter A

Typical repairs for high mileage 3.2
A) Thermostat – replaced mine at 10 years (also replaced two coolant hoses)

Here is the complete list

https://www.freel2.com/forum/topic32504.html

I need to add the purge valve to the list of typical repairs (I know you replaced yours)

Good luck

Paul

ylwgto
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Post by ylwgto »

Thanks. It is a great engine and, with care, so is the transmission unlike past aisin iterations.

I've done it all except for the serpentine belt, idler pulleys, water pump job...been putting that one off bigtime and may actually pay to have it done. I even decided not to do it when I replaced the AC compressor b/c it looks so awful :(
2009 XC90 3.2 R-Design 135K

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