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2005 XC90 T6 Executive Project Car.

Help, Advice, Owners' Discussion and DIY Tutorials on Volvo XC90s. 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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bmdubya1198
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bmdubya1198

Re: 2005 XC90 T6 Executive Project Car.

Post by bmdubya1198 » Mon May 27, 2019 4:31 pm

Yeah, I'm curious as to how you're getting up to 7 PSI just by revving. Sounds like something is wrong.


2000 V70R Venetian Red/Charcoal M56 Swapped 191k
2000 S70 GLT Mystic Silver/Taupe 2??k
2003 S60 2.4T Silver/Black 108k
2007 XC90 V8 AWD Sport Titanium Grey/Black 160k
1993 944 Base Beige/Beige 221k
1992 Miata Mariner Blue/Black 146k
Sold-
1998 V70 GLT Black/Beige 193k
1998 S90- Silver/Gray 207k
1995 850 GLT Tropic Green... crushed
2001 S60 2.4T Black/Black 230k
1988 744 Turbo M46 Beige Metallic/Beige 188k- Never should have sold it


Need used parts? PM me!

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RickHaleParker
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Re: 2005 XC90 T6 Executive Project Car.

Post by RickHaleParker » Mon May 27, 2019 6:22 pm

bmdubya1198 wrote:
Mon May 27, 2019 4:31 pm
Yeah, I'm curious as to how you're getting up to 7 PSI just by revving. Sounds like something is wrong.
I am wondering if it is raw fuel burning in the Cat. Temperature goes up, gases expand. Basic principle of any explosion. Misfire cylinder X, start-up, does shut off Rear heated oxygen sensor control and Fuel trim.

If it was a clog in the exhaust system I would think it would jump to 7 PSI and stay there.


Platform: P80 1998 C70, B5234T3, 16T, AW50-42, Bosch Motronic 4.4, Special Edition package, Plant: Uddevalla Sweden.

Platform: X40 (Nedcar) 2003 S40, B4204T3, 14T twin scroll AW55-50/51SN, Siemens EMS 2000. Plant: Born Netherlands.

Platform P2 2005 XC90 T6 Executive, B6294T, 4T65 AWD, Bosch Motronic 7.0,
Plant Torslanda Sweden.
----------------------------------------------------------------
1997 S90, B6304S, AW30-42, Bosch Motronic 4.4 - Sold

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bmdubya1198
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Joined: Tue Dec 30, 2014 10:45 am
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Re: 2005 XC90 T6 Executive Project Car.

Post by bmdubya1198 » Mon May 27, 2019 7:06 pm

RickHaleParker wrote:
Mon May 27, 2019 6:22 pm
I am wondering if it is raw fuel burning in the Cat. Temperature goes up, gases expand. Basic principle of any explosion. Misfire cylinder X, start-up, does shut off Rear heated oxygen sensor control and Fuel trim.

If it was a clog in the exhaust system I would think it would jump to 7 PSI and stay there.
That theory makes sense. It still seems strange to me though, if the cat is clogged, wouldn't it be harder for the turbos to build boost if the exhaust gases are getting backed up? Or maybe I've got it backwards and it's creating the load required to spool the turbos.


2000 V70R Venetian Red/Charcoal M56 Swapped 191k
2000 S70 GLT Mystic Silver/Taupe 2??k
2003 S60 2.4T Silver/Black 108k
2007 XC90 V8 AWD Sport Titanium Grey/Black 160k
1993 944 Base Beige/Beige 221k
1992 Miata Mariner Blue/Black 146k
Sold-
1998 V70 GLT Black/Beige 193k
1998 S90- Silver/Gray 207k
1995 850 GLT Tropic Green... crushed
2001 S60 2.4T Black/Black 230k
1988 744 Turbo M46 Beige Metallic/Beige 188k- Never should have sold it


Need used parts? PM me!

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RickHaleParker
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Re: 2005 XC90 T6 Executive Project Car.

Post by RickHaleParker » Mon May 27, 2019 7:45 pm

bmdubya1198 wrote:
Mon May 27, 2019 7:06 pm
That theory makes sense. It still seems strange to me though, if the cat is clogged, wouldn't it be harder for the turbos to build boost if the exhaust gases are getting backed up? Or maybe I've got it backwards and it's creating the load required to spool the turbos.
A turbo is a windmill. Some of the Kinetic energy of the exhaust flow is transferred to the turbo, that is what spins the turbos. Of course you need enough exhaust flow Kinetic energy to do the work. That is why turbos only spin when you got a Kinetic energy surge such as when you are accelerating.

Clogged exhaust would slow down the flow. Less flow = less exhaust flow Kinetic energy. Less energy to do work.
Not necessarily the Cat at fault, Resonator and Muffler can do it also.

Think of it in terms of energy transfers. A turbo recovers some of the wasted energy going out the exhaust system and transfers the recovered energy back to the engine.

The recovered energy can be used to improve fuel efficiency (LPT). Or produce more torque and power (HPT) .


Platform: P80 1998 C70, B5234T3, 16T, AW50-42, Bosch Motronic 4.4, Special Edition package, Plant: Uddevalla Sweden.

Platform: X40 (Nedcar) 2003 S40, B4204T3, 14T twin scroll AW55-50/51SN, Siemens EMS 2000. Plant: Born Netherlands.

Platform P2 2005 XC90 T6 Executive, B6294T, 4T65 AWD, Bosch Motronic 7.0,
Plant Torslanda Sweden.
----------------------------------------------------------------
1997 S90, B6304S, AW30-42, Bosch Motronic 4.4 - Sold

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Roger_850T
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Re: 2005 XC90 T6 Executive Project Car.

Post by Roger_850T » Mon May 27, 2019 8:14 pm

RickHaleParker wrote:
Sun May 26, 2019 7:15 pm

Anybody know where to source the seals for VPN 30636760?
Following, I'll pipe up if I think I can help!

Not sure if this helps, but here is the 30636760 hose, not necessarily the seal...
https://www.fcpeuro.com/products/volvo- ... o-30636760

Or from Volvo:
https://www.volvopartswebstore.com/prod ... 36760.html

Looking at the parts diagram, I'm not seeing the part you posted a picture of...

Roger


'05 XC90 V8 140k
'95 854T 310k
'02 V70 159k
'03 S80 111k (crashed)
'93 945T 217k (gone to be parted out)
'87 245 300k+ sold, still going
'84 264 Diesel, RIP at 160k
'78 242 manual everything.
'73 P1800ES, fun until the rust set in...

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RickHaleParker
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Re: 2005 XC90 T6 Executive Project Car.

Post by RickHaleParker » Mon May 27, 2019 8:22 pm

Roger_850T wrote:
Mon May 27, 2019 8:14 pm
Looking at the parts diagram, I'm not seeing the part you posted a picture of...
That is what I am finding, $175 for the whole assembly. If nobody can locate replacement seals, I will do one of two things. Build up the seals with RTV or soak the seals in ATP AT-205 Re-Seal to recondition them. Still debating on which course of action.

The seals have no apparent damage.


Platform: P80 1998 C70, B5234T3, 16T, AW50-42, Bosch Motronic 4.4, Special Edition package, Plant: Uddevalla Sweden.

Platform: X40 (Nedcar) 2003 S40, B4204T3, 14T twin scroll AW55-50/51SN, Siemens EMS 2000. Plant: Born Netherlands.

Platform P2 2005 XC90 T6 Executive, B6294T, 4T65 AWD, Bosch Motronic 7.0,
Plant Torslanda Sweden.
----------------------------------------------------------------
1997 S90, B6304S, AW30-42, Bosch Motronic 4.4 - Sold

User avatar
Roger_850T
MVS Moderator
Posts: 260
Joined: Tue Dec 31, 2013 11:55 am
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Re: 2005 XC90 T6 Executive Project Car.

Post by Roger_850T » Mon May 27, 2019 8:45 pm

RickHaleParker wrote:
Mon May 27, 2019 8:22 pm

That is what I am finding, $175 for the whole assembly. If nobody can locate replacement seals, I will do one of two things. Build up the seals with RTV or soak the seals in ATP AT-205 Re-Seal to recondition them. Still debating on which course of action.

The seals have no apparent damage.
Where do the seals go? I'm looking at the diagram, and I don't see anything that looks like the picture you posted. If you can point me at where the seals go, I'll keep digging and see what I can find...

Roger


'05 XC90 V8 140k
'95 854T 310k
'02 V70 159k
'03 S80 111k (crashed)
'93 945T 217k (gone to be parted out)
'87 245 300k+ sold, still going
'84 264 Diesel, RIP at 160k
'78 242 manual everything.
'73 P1800ES, fun until the rust set in...

User avatar
Roger_850T
MVS Moderator
Posts: 260
Joined: Tue Dec 31, 2013 11:55 am
Year and Model: 854T 1995
Location: Frederick MD
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Roger_850T

Re: 2005 XC90 T6 Executive Project Car.

Post by Roger_850T » Mon May 27, 2019 8:49 pm

GR-373062.jpg
Can you point at where it goes in this picture?

Roger
You do not have the required permissions to view the files attached to this post.


'05 XC90 V8 140k
'95 854T 310k
'02 V70 159k
'03 S80 111k (crashed)
'93 945T 217k (gone to be parted out)
'87 245 300k+ sold, still going
'84 264 Diesel, RIP at 160k
'78 242 manual everything.
'73 P1800ES, fun until the rust set in...

User avatar
RickHaleParker
Posts: 3212
Joined: Mon May 25, 2015 2:30 pm
Year and Model: See Signature below.
Location: Kansas
Has thanked: 3 times
Been thanked: 374 times
United States of America
RickHaleParker

Re: 2005 XC90 T6 Executive Project Car.

Post by RickHaleParker » Mon May 27, 2019 8:56 pm

Roger_850T wrote:
Mon May 27, 2019 8:45 pm
Where do the seals go?
The red arrows are pointing to the location of the seals. The bulges off the main pipe are just clipped on. I know the diagrams show a different pipe.

Hum, I never checked the bulges for a separate part number ...

Image


Platform: P80 1998 C70, B5234T3, 16T, AW50-42, Bosch Motronic 4.4, Special Edition package, Plant: Uddevalla Sweden.

Platform: X40 (Nedcar) 2003 S40, B4204T3, 14T twin scroll AW55-50/51SN, Siemens EMS 2000. Plant: Born Netherlands.

Platform P2 2005 XC90 T6 Executive, B6294T, 4T65 AWD, Bosch Motronic 7.0,
Plant Torslanda Sweden.
----------------------------------------------------------------
1997 S90, B6304S, AW30-42, Bosch Motronic 4.4 - Sold

User avatar
RickHaleParker
Posts: 3212
Joined: Mon May 25, 2015 2:30 pm
Year and Model: See Signature below.
Location: Kansas
Has thanked: 3 times
Been thanked: 374 times
United States of America
RickHaleParker

Re: 2005 XC90 T6 Executive Project Car.

Post by RickHaleParker » Mon May 27, 2019 9:12 pm

No separate part number for the bulges.

Picture with a bulge unclipped and the seal in place. Looks like resonator chambers or reservoirs.
IMAG0317.jpg
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Platform: P80 1998 C70, B5234T3, 16T, AW50-42, Bosch Motronic 4.4, Special Edition package, Plant: Uddevalla Sweden.

Platform: X40 (Nedcar) 2003 S40, B4204T3, 14T twin scroll AW55-50/51SN, Siemens EMS 2000. Plant: Born Netherlands.

Platform P2 2005 XC90 T6 Executive, B6294T, 4T65 AWD, Bosch Motronic 7.0,
Plant Torslanda Sweden.
----------------------------------------------------------------
1997 S90, B6304S, AW30-42, Bosch Motronic 4.4 - Sold

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