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Unknown hose missing at intake '98 V70 Turbo

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
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Goupil
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Unknown hose missing at intake '98 V70 Turbo

Post by Goupil » Sun Apr 14, 2019 5:29 am

Hi,

Now that I'm done with big issues, I'm trying to fix all the small stuff and I'm stuck at a missing hose on the intake.
It's been blocked with a screw
Image
Car is a 1998 V70 2.5T (B5254T) and the hose nipple is right after the MAF.

I can't seem to find it on Volvo diagrams, I've been told it goes to the fuel pressure regulator :?:
Last edited by Goupil on Sun Apr 14, 2019 6:10 am, edited 1 time in total.
1998 Volvo V70 B5254T manual 193hp - 332 500 km

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Re: Unknown hose missing at intake

Post by abscate » Sun Apr 14, 2019 5:44 am

Do you have a sticker under hood with vacuu:hose diagrams?

There are a lot of variations of emission controls on these cars so you mightnot have anything connected there
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Re: Unknown hose missing at intake

Post by tardcart » Sun Apr 14, 2019 5:54 am

on my 850 a similar hose is the blue line to the turbo control (fresh air)

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Re: Unknown hose missing at intake

Post by Goupil » Sun Apr 14, 2019 6:17 am

abscate wrote:
Sun Apr 14, 2019 5:44 am
Do you have a sticker under hood with vacuu:hose diagrams?

There are a lot of variations of emission controls on these cars so you mightnot have anything connected there
I haven't found a sticker, if there's one where should it be ?
It's a belgian made car for the french market, so I would guess it's an Euro 3 model.

What made me think it's not stock is the fact that there's a lot of missing bolts and brackets on the car, and what the seller told me makes me think it had a rough life :?
on my 850 a similar hose is the blue line to the turbo control (fresh air)
I'll check the blue line on the TCV, thanks.
Image



Might be it according to this thread :)
viewtopic.php?t=60087
1998 Volvo V70 B5254T manual 193hp - 332 500 km

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Re: Unknown hose missing at intake '98 V70 Turbo

Post by tardcart » Sun Apr 14, 2019 7:11 am

not sure in Europe, but the 2.5t would be a later engine, it hadn't been invented in '97. will be fast.

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Re: Unknown hose missing at intake '98 V70 Turbo

Post by RickHaleParker » Sun Apr 14, 2019 8:37 am

.
Feel down under the Air cleaner near the Engine/Firewall corner you will find it unless somebody removed it.
Better yet, take the Air cleaner out and open the view.
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Re: Unknown hose missing at intake '98 V70 Turbo

Post by Goupil » Sun Apr 14, 2019 9:28 am

tardcart wrote:
Sun Apr 14, 2019 7:11 am
not sure in Europe, but the 2.5t would be a later engine, it hadn't been invented in '97. will be fast.
Just edited my profile, my car was made in '97 but it's a 98 model according to the VIN :P
Feel down under the Air cleaner near the Engine/Firewall corner you will find it unless somebody removed it.
Better yet, take the Air cleaner out and open the view.
It's there, I replaced the cracked wastegate hose yesterday :D
I gave a quick look, the blue hose is connected and goes deep into the engine bay :?

I'll get the car on ramps and investigate more tomorrow :wink:
1998 Volvo V70 B5254T manual 193hp - 332 500 km

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Re: Unknown hose missing at intake '98 V70 Turbo

Post by magna224 » Sun Apr 14, 2019 9:56 pm

My car has a screw on that inlet nipple as well.
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Re: Unknown hose missing at intake '98 V70 Turbo

Post by Goupil » Wed Apr 17, 2019 4:33 am

Update:

I found this thread (same mistake as always, I'm searching with "volvo v70" and "volvo 850" keywords, but never S70...)
viewtopic.php?t=63615

Everything is plugged the same way, except I don't have a 2nd T connector on hose #3 that would let me run a hose from the intake tube. Not sure if stock or not, but since it works I'm not gonna change anything
1998 Volvo V70 B5254T manual 193hp - 332 500 km

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