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2000 S70 AWD - Seafoam "Spray" treatment

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

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June
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Re: 2000 S70 AWD - Seafoam "Spray" treatment

Post by June » Fri Apr 24, 2020 9:30 pm

I hate that you got cold feet! Where is that oil coming from? That box is right there begging to be changed!!! Is it seeping oil? I went out and took some pictures of my engine for comparison. Yours doesn't look that bad for 19 years old really. The real question is: how well was the system operating? I'm assuming you did the glove test before buying the car.? 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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hmsky83
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hmsky83

Re: 2000 S70 AWD - Seafoam "Spray" treatment

Post by hmsky83 » Fri Apr 24, 2020 10:00 pm

Yeah just worried I might stumble on something, wish I knew someone here in Seattle to help as I moved here from Canada. Oh well. I took some pictures of TB cleaned up and the other parts I cleaned up ready to go tomorrow morning.
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2001 Volvo S60 2.4T
2002 Volvo S60
2005 Chevy Avalanche

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hmsky83
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Re: 2000 S70 AWD - Seafoam "Spray" treatment

Post by hmsky83 » Fri Apr 24, 2020 10:20 pm

June wrote:
Fri Apr 24, 2020 9:30 pm
I hate that you got cold feet! Where is that oil coming from? That box is right there begging to be changed!!! Is it seeping oil? I went out and took some pictures of my engine for comparison. Yours doesn't look that bad for 19 years old really. The real question is: how well was the system operating? I'm assuming you did the glove test before buying the car.? June
Oh wow just seen your pictures...see that's how mine would look had I owned this car from the beginning lol. Yeah I guess previous owner had an oil leak before sometime. I've cleaned the bottom of the car and sprayed it with brake cleaner. Checked it multiple times and it's nice and dry. Thank God. But yeah the PCV box area looks nasty SMH.
2001 Volvo S60 2.4T
2002 Volvo S60
2005 Chevy Avalanche

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volvolugnut
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Re: 2000 S70 AWD - Seafoam "Spray" treatment

Post by volvolugnut » Sat Apr 25, 2020 9:06 am

I encourage you to go ahead with PCV cleanup. It is not that hard, and lots of help available here. This assumes you have another vehicle available so you can take your time.
volvolugnut
2001 V70 T5, 1986 244DL, 1983 245DL, 1975 245DL, 1959 PV544, multiple parts cars.

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volvolugnut
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Re: 2000 S70 AWD - Seafoam "Spray" treatment

Post by volvolugnut » Sat Apr 25, 2020 9:11 am

If you take on the project, also get high temperature wire loom and electrical tape to replace failing wire wraps. Also, the wire loom under the coil covers are likely disintegrated.
volvolugnut
2001 V70 T5, 1986 244DL, 1983 245DL, 1975 245DL, 1959 PV544, multiple parts cars.

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hmsky83
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Re: 2000 S70 AWD - Seafoam "Spray" treatment

Post by hmsky83 » Sat Apr 25, 2020 9:50 am

volvolugnut wrote:
Sat Apr 25, 2020 9:11 am
If you take on the project, also get high temperature wire loom and electrical tape to replace failing wire wraps. Also, the wire loom under the coil covers are likely disintegrated.
volvolugnut
Yeah good call !! already did the wire loom or conduit.
2001 Volvo S60 2.4T
2002 Volvo S60
2005 Chevy Avalanche

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FLXC90
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Re: 2000 S70 AWD - Seafoam "Spray" treatment

Post by FLXC90 » Mon May 04, 2020 4:37 pm

They're called "Oettiker" clamps, and they are used on PEX plumbing also.(all academic!) A pair of end nippers will work to crimp them as well as any purpose made plier. But you may want to file the jaws so they don't cut the clamp. Be glad you are where you are, anywhere from Bellevue to Bothell to Bremerton, you are in a Volvo haven. My nearest dealer is 50 miles away, and there is one good indie in my town. Try the forum to find local help.

If your car passed the glove test, and you don't need to do the PCV service, at least clean the area around the box really well, and maybe if you can look at the hose that goes to the block on the back of the box with a mirror or something, do that. If you only clean it, get in and take a look occasionally, to see if it is getting wet again.
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June
Current Volvos:
1998 V70 T5, 112k sat 5 years, still in mechanical coma (finally at the top of the pile )
2004 XC90 T6 AWD: 186k, 60 on transaxle ( traded in )
1998 POS70 N/A: DD/training aid, 236k but really about 240k, I think...ABS module( passed on to son who sold it)

DanelleNavarro
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DanelleNavarro

Re: 2000 S70 AWD - Seafoam "Spray" treatment

Post by DanelleNavarro » Wed Jun 24, 2020 5:15 pm

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Hey everyone...I just wanted to say that I did my PCV system, intake, and throttle body all but myself... It's my first experience working on my auto so I was really excited when it started!!! Anyway...I wanted to let you guys in on what I used to clean the manifold and TB... DAWN DISH SOAP MAKES A SPRAY! All I did was spray the parts, left it overnight and hosed it off in the morning. Very little scrubbing involved...I wish I knew how to upload photos because I'd like to show off my nice clean engine and parts...
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Figured it out!!!
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FLXC90
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FLXC90

Re: 2000 S70 AWD - Seafoam "Spray" treatment

Post by FLXC90 » Wed Jun 24, 2020 8:49 pm

Nice Work, looks GREAT! And congrats on your confidence builder. These cars are great for working on mostly. Parts are arranged so that you may have to remove something to access what you need, but it is done in a logical manner. With the guidance found here and in the plethora of videos, you can do a lot of things without VIDA or similar. (one day I'll get set up). Keep up the good work.
Current Volvos:
1998 V70 T5, 112k sat 5 years, still in mechanical coma (finally at the top of the pile )
2004 XC90 T6 AWD: 186k, 60 on transaxle ( traded in )
1998 POS70 N/A: DD/training aid, 236k but really about 240k, I think...ABS module( passed on to son who sold it)

DanelleNavarro
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DanelleNavarro

Re: 2000 S70 AWD - Seafoam "Spray" treatment

Post by DanelleNavarro » Thu Jun 25, 2020 1:21 am

Thanks!!! I'm really grateful for this site and the videos I've used to repair Harry the Volvo. I forgot to mention that obviously the breather box blew out my front cam seal... What a mess!! I think I may still have a leak. After my awesomeness, with the help of Dawn dish soap spray, and taking a 5 hour ish "test" drive to AZ, where I'm replacing the timing belt, I noticed some oil all over my engine shield and some around the oil filter... So again with the Dawn dish soap spray!!
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