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Check your power steering auxiliary reservoir

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June
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Re: Check your power steering auxiliary reservoir

Post by June »

Rattnalle wrote: 28 Oct 2018, 13:58 I checked my pulleys a year ago when I did the timing belt. I know the AC pulley bearing needs replacing down the road but everything else is either fine or new. I've been thinking the whole time it sounds a little bit like when the power steering fluid level is a bit low but it isn't and the fluid has been flushed with new fluid.

Since mine is also leaky I'll just replace it and see what happens. I've got the dealership across the street from work and need to get a few vacuum tubes that look dry and worn as well. Might as well not put it off any longer.

And as for mileage it has sounded the same since I got the car about 60' km ago.
Please keep us updated because I sure would like to know what is in that reservoir that could cause the pump to whine???? It makes no sense to me, that is the main reason I made this thread in case others had the fluid seeping at the reservoir and a strange wine that in my car's case both were related and a simple replacement of the reservoir could fix both.

Several hundred miles later the reservoir is still dry. Notice the pump is original. June
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My Volvo cars owned
1989 740 GLT ordered
1994 850 4door standard shift ordered
1996 960 ordered
1998 S90 ordered totalled after 3 weeks
1998 V70 GT dealer stock car
2002 S80 T6 ordered totalled
2004 S80 T6 dealer stock car and current car owned

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Rattnalle
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Post by Rattnalle »

June wrote: 28 Oct 2018, 14:11
Rattnalle wrote: 28 Oct 2018, 13:58 I checked my pulleys a year ago when I did the timing belt. I know the AC pulley bearing needs replacing down the road but everything else is either fine or new. I've been thinking the whole time it sounds a little bit like when the power steering fluid level is a bit low but it isn't and the fluid has been flushed with new fluid.

Since mine is also leaky I'll just replace it and see what happens. I've got the dealership across the street from work and need to get a few vacuum tubes that look dry and worn as well. Might as well not put it off any longer.

And as for mileage it has sounded the same since I got the car about 60' km ago.
Please keep us updated because I sure would like to know what is in that reservoir that could cause the pump to whine???? It makes no sense to me, that is the main reason I made this thread in case others had the fluid seeping at the reservoir and a strange wine that in my car's case both were related and a simple replacement of the reservoir could fix both.

Several hundred miles later the reservoir is still dry. Notice the pump is original. June
There is a known fault with the reservoir where a small piece of tubing inside designed to avoid foam in the fluid can come loose. I've checked and not noticed foam in mine after driving but when replaced I'll be sure to take it apart to have a look.

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June
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Post by June »

Rattnalle wrote: 28 Oct 2018, 14:15
June wrote: 28 Oct 2018, 14:11
Rattnalle wrote: 28 Oct 2018, 13:58 I checked my pulleys a year ago when I did the timing belt. I know the AC pulley bearing needs replacing down the road but everything else is either fine or new. I've been thinking the whole time it sounds a little bit like when the power steering fluid level is a bit low but it isn't and the fluid has been flushed with new fluid.

Since mine is also leaky I'll just replace it and see what happens. I've got the dealership across the street from work and need to get a few vacuum tubes that look dry and worn as well. Might as well not put it off any longer.

And as for mileage it has sounded the same since I got the car about 60' km ago.
Please keep us updated because I sure would like to know what is in that reservoir that could cause the pump to whine???? It makes no sense to me, that is the main reason I made this thread in case others had the fluid seeping at the reservoir and a strange wine that in my car's case both were related and a simple replacement of the reservoir could fix both.

Several hundred miles later the reservoir is still dry. Notice the pump is original. June
There is a known fault with the reservoir where a small piece of tubing inside designed to avoid foam in the fluid can come loose. I've checked and not noticed foam in mine after driving but when replaced I'll be sure to take it apart to have a look.
I never noticed foam in mine when checking level either. But foam would be aeration and I believe would cause the pump to whine? Anyhow, thank you for keeping us updated! June
My Volvo cars owned
1989 740 GLT ordered
1994 850 4door standard shift ordered
1996 960 ordered
1998 S90 ordered totalled after 3 weeks
1998 V70 GT dealer stock car
2002 S80 T6 ordered totalled
2004 S80 T6 dealer stock car and current car owned

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RickHaleParker
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Post by RickHaleParker »

June wrote: 28 Oct 2018, 14:11 I sure would like to know what is in that reservoir that could cause the pump to whine????
Cavitation: The formation of air bubbles in liquid.

The whine is the sound of thousands of air bubbles imploding. Each implosion creates a shock wave, the whine is the sum of all the shock waves.
⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙
1998 C70, B5234T3, 16T, AW50-42, Bosch Motronic 4.4, Special Edition package.
2003 S40, B4204T3, 14T twin scroll AW55-50/51SN, Siemens EMS 2000.
2004 S60R, B8444S TF80 AWD. Yamaha V8 conversion
2005 XC90 T6 Executive, B6294T, 4T65 AWD, Bosch Motronic 7.0.

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June
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Post by June »

Rattnalle wrote: 28 Oct 2018, 13:07 June, does this sound about the same as your whine?

Now that I am home and hear it through the TVs soundbar that is the exact sound my car was making before replacing the reservoir. June
My Volvo cars owned
1989 740 GLT ordered
1994 850 4door standard shift ordered
1996 960 ordered
1998 S90 ordered totalled after 3 weeks
1998 V70 GT dealer stock car
2002 S80 T6 ordered totalled
2004 S80 T6 dealer stock car and current car owned

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June
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Year and Model: 2004 S80 T6,1991 740
Location: Arkansas
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Post by June »

Here is my car now without the whine, Rattnalle's video below has the exact sound my car was making before replacing the reservoir. June

[youtube][/youtube]
Rattnalle wrote: 28 Oct 2018, 13:07 June, does this sound about the same as your whine?

My Volvo cars owned
1989 740 GLT ordered
1994 850 4door standard shift ordered
1996 960 ordered
1998 S90 ordered totalled after 3 weeks
1998 V70 GT dealer stock car
2002 S80 T6 ordered totalled
2004 S80 T6 dealer stock car and current car owned

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Rattnalle
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Post by Rattnalle »

New reservoir in place.

Old fluid which has only been in there for two and a half years and 60' km was starting to look dark. I did pump it out this time as opposed to sucking it out of the top of the reservoir last time. It's more likely I got the old dirt out this way. The pictured bottle is flat and only about an inch thick.

Haven't test driven yet. Have to watch the burning pile of this year's garden waste a few more hours first.
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June
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Post by June »

Rattnalle wrote: 10 Nov 2018, 04:10 New reservoir in place.

Old fluid which has only been in there for two and a half years and 60' km was starting to look dark. I did pump it out this time as opposed to sucking it out of the top of the reservoir last time. It's more likely I got the old dirt out this way. The pictured bottle is flat and only about an inch thick.

Haven't test driven yet. Have to watch the burning pile of this year's garden waste a few more hours first.
Let us know if the noise has disappeared. I am curious. My car it is still gone and still no fluid leaking anymore. If the noise has gone can you post a video without the noise? Thank you, june
My Volvo cars owned
1989 740 GLT ordered
1994 850 4door standard shift ordered
1996 960 ordered
1998 S90 ordered totalled after 3 weeks
1998 V70 GT dealer stock car
2002 S80 T6 ordered totalled
2004 S80 T6 dealer stock car and current car owned

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Rattnalle
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Post by Rattnalle »

June wrote: 10 Nov 2018, 08:12
Rattnalle wrote: 10 Nov 2018, 04:10 New reservoir in place.

Old fluid which has only been in there for two and a half years and 60' km was starting to look dark. I did pump it out this time as opposed to sucking it out of the top of the reservoir last time. It's more likely I got the old dirt out this way. The pictured bottle is flat and only about an inch thick.

Haven't test driven yet. Have to watch the burning pile of this year's garden waste a few more hours first.
Let us know if the noise has disappeared. I am curious. My car it is still gone and still no fluid leaking anymore. If the noise has gone can you post a video without the noise? Thank you, june
Forgot about reporting back. Sound is still there but it isn't leaking anymore at least.

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June
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Year and Model: 2004 S80 T6,1991 740
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Post by June »

Rattnalle wrote: 01 Apr 2019, 12:54
June wrote: 10 Nov 2018, 08:12
Rattnalle wrote: 10 Nov 2018, 04:10 New reservoir in place.

Old fluid which has only been in there for two and a half years and 60' km was starting to look dark. I did pump it out this time as opposed to sucking it out of the top of the reservoir last time. It's more likely I got the old dirt out this way. The pictured bottle is flat and only about an inch thick.

Haven't test driven yet. Have to watch the burning pile of this year's garden waste a few more hours first.
Let us know if the noise has disappeared. I am curious. My car it is still gone and still no fluid leaking anymore. If the noise has gone can you post a video without the noise? Thank you, june
Forgot about reporting back. Sound is still there but it isn't leaking anymore at least.
Do you think your pump got damaged? Did you flush out the old fluid? I did have the fluid flushed at the same time in my car. June
My Volvo cars owned
1989 740 GLT ordered
1994 850 4door standard shift ordered
1996 960 ordered
1998 S90 ordered totalled after 3 weeks
1998 V70 GT dealer stock car
2002 S80 T6 ordered totalled
2004 S80 T6 dealer stock car and current car owned

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