2000 S70 Coolant Temp Gauge Fluctuating

454cid · Post by **454cid** » 15 Jan 2023, 20:24

Do our engines have block drains?

Post by **MoVolvos** » 15 Jan 2023, 20:35

tjmartin317 wrote: ↑15 Jan 2023, 08:22
So I guess my real concern is if the concoction of coolant I’m running is a big issue? OEM is obviously best, but of course, my local Volvo dealer is closed on Saturdays. And happenstance forced me to use the coolants I did because I didn’t have a car to get anything else.

Part Peak, part BG, part Green Fram, and maybe a drop or two of OEM from days long gone…

But hey, the gauge does work again!

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Shouldn't be a problem but here is what it all boils down to

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Post by **abscate** » 16 Jan 2023, 01:21

You can run water only around town for a day to get the right stuff unless you can’t protect it from freezing temperatures

850oldschool · Post by **850oldschool** » 16 Jan 2023, 08:01

454cid wrote: ↑15 Jan 2023, 20:24 Do our engines have block drains?

There is something that looks like it might be a drain on the back side of the engine near where the water pump bolts on. It looks like a supersized brake bleeder.

Post by **abscate** » 16 Jan 2023, 16:57

850oldschool wrote: ↑16 Jan 2023, 08:01
454cid wrote: ↑15 Jan 2023, 20:24 Do our engines have block drains?
There is something that looks like it might be a drain on the back side of the engine near where the water pump bolts on. It looks like a supersized brake bleeder.

Give the drain 30mseconds of propane heat before you try to move it

Post by **scot850** » 16 Jan 2023, 17:02

As the guys say, there is a bleed screw/drain on the back of the block near/above the mount for the RH axle support bearing. Heed abscates advice before trying to loosen it and plenty of penetrating oil. This may help from Pelican parts:

https://www.pelicanparts.com/techarticl ... System.htm

If you look carefully at picture 5 you can just see the drain.

Neil.

Post by **MoVolvos** » 16 Jan 2023, 18:28

scot850 wrote: ↑16 Jan 2023, 17:02 As the guys say, there is a bleed screw/drain on the back of the block near/above the mount for the RH axle support bearing. Heed abscates advice before trying to loosen it and plenty of penetrating oil. This may help from Pelican parts:

https://www.pelicanparts.com/techarticl ... System.htm

If you look carefully at picture 5 you can just see the drain.

Neil.

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Have used their tech articles for the C30 but didn't think to check for the S70. The 98-07 V70 is pretty close if not the same for many major parts.
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https://www.pelicanparts.com/techarticl ... 0_Tech.htm
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2000 S70 Coolant Temp Gauge Fluctuating

Re: 2000 S70 Coolant Temp Gauge Fluctuating