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Heater hose replacement Non-OEM KINKY

Help, Advice and DIY Tutorials on Volvo's P80 platform cars -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, including 850 R, 850 T-5R, 850 T-5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

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Eddystone
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Heater hose replacement Non-OEM KINKY

Post by Eddystone »

I replaced the heater hoses on my 98 V70 some years ago using standard heater hose. Cut the ferrules off with a Dremel, and it worked great. Problem is that if you want to do this without kinking the hose you end up doing loopdidupes. Has anyone found a way to make a curve or a 90 degree bend in these hoses? I've thought of trying copper pipe fittings, maybe two 45 degree elbows.

Any clever ideas out there?
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Post by scot850 »

How about a coil spring inside it?

Neil.
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454cid
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Post by 454cid »

scot850 wrote: 21 May 2022, 17:29 How about a coil spring inside it?

Neil.
I was looking for just such a thing a few days ago. I found purpose made springs for inside hose on Amazon. I think they were from Earl's. I did not end up making a purchase, as I decided to buy a formed hose for what I'm working on.
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Post by volvolugnut »

The auto parts store may have an assortment of heater hoses with formed bends at lower cost than OEM hoses. I found a suitable formed hose for a 240 Volvo flame trap this way.
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Post by Eddystone »

As usual, Robert has an answer. One option is the silicone hose do88 kit sold at IPD and FCP.

1998 V70 Non-Turbo/Auto The Perfect Driving Appliance
1993 945 Turbo/Auto Pickemup Truck that Will Not Die. New 960 seats!
1999 S70 T5 Turbo/Auto which is better than Abscate's T5
All U.S. market models.
All running and on the road.
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cn90
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Post by cn90 »

When I did this heater hose mod in 2015, I just used regular heater hose (Gates brand), the bend was not that bad and it worked fine the way it was modified...

See photo #6 in the thread below and you will see the curve is not that bad.

DIY: 1998 Volvo S70 GLT Heater Core, Heater Hoses Rebuild!
viewtopic.php?t=69238
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Post by Eddystone »

cn90 wrote: 21 May 2022, 19:54 When I did this heater hose mod in 2015, I just used regular heater hose (Gates brand), the bend was not that bad and it worked fine the way it was modified...

See photo #6 in the thread below and you will see the curve is not that bad.
I think it probably depends on exactly what brand of heater hose you get hold of. What I had was quite flexible, though I suspect it was Gates.
1998 V70 Non-Turbo/Auto The Perfect Driving Appliance
1993 945 Turbo/Auto Pickemup Truck that Will Not Die. New 960 seats!
1999 S70 T5 Turbo/Auto which is better than Abscate's T5
All U.S. market models.
All running and on the road.
PM me if you are in Ohio. I'm in Lorain.

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Post by foggydogg »

Dr. Abscate is working up this very solution, and I agree, it probably depends on the brand of the hose. That stone-age red stuff is too stiff the do anything but straight in.
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Post by hausmeister »

I bought the do88 hoses way back with another order and finally ended up using them last winter. I'd definitely get them if you buy something from do88 anyways. Very nice hoses and the old ones were really crunchy.

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