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Leaking heater core, replacement instructions?

Help, Advice, Owners' Discussion and DIY Tutorials on S40 and V40. In this forum you'll find S40/V40-specific owners asking and answering questions on maintenance, ownership, repairs, tutorials and almost every do-it-yourself thing you can do to save money owning these Volvos.

1996 - 2004 S40
1996 - 2004 V40

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brian729
Posts: 4
Joined: 5 May 2012
Year and Model: S40, 2002
Location: United States

Leaking heater core, replacement instructions?

Post by brian729 »

My heater core is leaking antifreeze like a sieve. I didn't notice at first, but then I got the smell and realized that there was a ton of antifreeze under the rubber lined rugs on both the driver's and passenger's side. So I need to replace it. I did a preliminary search on how to do this, and asked a few mechanics, and most people and places said the console needs to be removed (for an '02 s40 at least). Now, this is super intricate (not saying not doable) but would cost close to $1500 if I didn't do it myself.

Here's my dilemma. I found instructions for an older Volvo on how to do just this. They are here:
volvospeed.com/vs_forum/topic/9717-pics-of-heater-core-install/

This is a super easy fix, but when I looked in my car, a few components were in different places. I have a few questions.
1. Can I vaguely follow this set of instructions successfully, or do I indeed need to remove the entire console?
2. Does anyone have step by step instructions like these for a 2002 s40?
3. For 2 technically and mechanically inclined people (but not mechanics), how long should this job take?

Thank you for any and all responses!

Brian

precopster
Posts: 7543
Joined: 21 August 2010
Year and Model: Lots
Location: Melbourne Australia
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Post by precopster »

The S40/V40 platform is not a full Volvo product and was shared with a Mitsubishi model named the Charisma.

From what I've read the dashboard requires removal on this series of car as it shares little apart from cut-down into 4 cylinder 850/V70/S70 engines and shared gearboxes.

I've attached a parts diagram of the manual climate unit for LHD
Attachments
77145map.pdf
(316.76 KiB) Downloaded 485 times
Current cars VW Transporter 2.5TDI, 2010 XC90 D5 R Design

brian729
Posts: 4
Joined: 5 May 2012
Year and Model: S40, 2002
Location: United States

Post by brian729 »

So because I haven't gotten any responses in regard to the process, I started taking apart the dash anyway. I came upon the passenger side airbag, and I don't know the proper way to go about working around it (if I actually do need to work close to it). 2 questions:

How do I disassemble what I need to disassemble in terms of the airbag/how to I disable it?
Do I need to remove the ENTIRE dash (including the upper dash and the component tower) or just the underside plastic pieces that protect everything?

Thanks in advance!

Brian

precopster
Posts: 7543
Joined: 21 August 2010
Year and Model: Lots
Location: Melbourne Australia
Has thanked: 8 times
Been thanked: 128 times

Post by precopster »

Order of disassembly are docs:
128622
064530
064531
128624
064535

Hope this helps
Attachments
128622.pdf
(466.07 KiB) Downloaded 413 times
064530.pdf
(177.6 KiB) Downloaded 323 times
064531.pdf
(153.1 KiB) Downloaded 364 times
128624.pdf
(445.58 KiB) Downloaded 528 times
Current cars VW Transporter 2.5TDI, 2010 XC90 D5 R Design

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