Volvo Community Forum. The Forums of the Volvo Owners Club

Forum Rules Volvo Owners Club About VOC Volvo Gallery Links Volvo History Volvo Press
Go Back   Volvo Owners Club Forum > "Technical Topics" > 850 / S70 & V70 '96-'99 / C70 '97-'05 General
Register Members CarsBlogs Help Calendar Mark Forums Read

Notices

850 / S70 & V70 '96-'99 / C70 '97-'05 General Forum for the 850 / S70 & V70 '96-'99/ C70 '97-'05 models

Information
  • VOC Members: There is no login facility using your VOC membership number or the details from page 3 of the club magazine. You need to register in the normal way
  • AOL Customers: Make sure you check the 'Remember me' check box otherwise the AOL system may log you out during the session. This is a known issue with AOL.
  • AOL, Yahoo and Plus.net users. Forum owners such as us are finding that AOL, Yahoo and Plus.net are blocking a lot of email generated from forums. This may mean your registration activation and other emails will not get to you, or they may appear in your spam mailbox

Thread Informations

Replacing heater matrix

Views : 892

Replies : 27

Users Viewing This Thread :  

Reply
 
Thread Tools Display Modes
Old Nov 19th, 2019, 09:46   #11
DaveNP
Non VOC Member
 

Last Online: Yesterday 23:26
Join Date: Jun 2011
Location: Milton Keynes
Default

+1 the O rings, they're pennies from the Volvo dealer if you don't get them with the matrix.
The only issue I have with doing the matrix is it requires reaching in to the car at just above the floor of the car, I suspect it's easier if you can lift the car so the floor is about waist height, I found myself uncomfortably between crouching at the side of the car and half laying across the door cill.
__________________

David
V70 2.5 10v Torslanda Manual 98 Sreg
DaveNP is offline   Reply With Quote
Old Nov 19th, 2019, 11:25   #12
Clan
Experienced Member
 
Clan's Avatar
 

Last Online: Yesterday 22:54
Join Date: Jun 2007
Location: L/H side
Default

Quote:
Originally Posted by Alpine View Post
many thanks all, for the replies. I will give it a go myself. I rang a Volvo specialist this afternoon and he quoted over 600, which is more I paid for the car.

I did come across this, but not sure what brand it is: https://www.partsforvolvosonline.com...oducts_id=3634

on my long(ish) trip tomorrow, will it help if I keep the cabin temperature dials down to cool? Presumably that means no hot coolant running round the matrix, or have I misunderstood how it works.
they are ripping you off , the volvo standard time is 1.5 hours ... have you contacted the dealer for the price and availability of the Genuine parts ?
__________________
My comments are only based on my opinions and vast experience .
Clan is offline   Reply With Quote
Old Nov 19th, 2019, 11:28   #13
Cookeh
Master Member
 

Last Online: Yesterday 23:45
Join Date: Feb 2018
Location: Derbyshire
Default

As above, go Behr. They're the OEM for the heater matrix but have changed the design to avoid the issue that causes them to fail. I cheaper out and got a PPS one - the heat output is significantly lower and my demist times have doubled as a result.

Some guides state that you can just clamp your heater hoses and not worry about draining the coolant. That failed spectacularly for me and I drained almost the entire systems worth into my footwell. I'd drain your coolant (only adds 5-10mins, as you have to bleed the system after installing the matrix anyway) and clamp the hoses.

Regarding those hoses if they're aluminium they don't need changing unless in a visible poor state. If they're the earlier steel ones then they are worth changing for the aluminium parts.

O-rings are vital, they're actually not quite a standard profile so buy Volvo not just any old o-ring, and as mentioned keep them lubed with some silicone grease before installing. If you don't lube them they'll rip and then you'll find yourself with a leak either immediately or shortly after.

After removing your leaky matrix clean out the box that it sits in, if you don't you'll have that sickly sweet coolant smell every time you touch your heaters for months - and this will induce paranoia that you didn't quite get the install right.
__________________
1995 Volvo 850 T5 Estate (Manual)
Cookeh is offline   Reply With Quote
Old Nov 19th, 2019, 14:05   #14
Richard_TD
Master Member
 
Richard_TD's Avatar
 

Last Online: Yesterday 17:11
Join Date: Mar 2009
Location: Fife
Default

I think you're going to end up draining the matrix into the footwell whatever you do. It's still worth draining the system though, it's a good opportunity to change the coolant.

Something else worth mentioning is that you should make sure there's a good seal around the matrix when you put it back in the box, otherwise the air will pass around rather than through the matrix. The kit should come with a length of draught excluder type stuff, I think I should have used more on mine.

If you want to feel better about it have a look at the pictures in this thread about the Citroen Xantia https://frenchcarforum.co.uk/forum/v...ic.php?t=22181 They suffered matrix failure when they were well under 10 years old. It's an 8-12 hour job on those and some of the bits never really go back properly. Both my Xantias had a leaky matrix and both got a bottle of sealant.
__________________
1996 Volvo 855 2.5 20V GLT
Richard_TD is offline   Reply With Quote
Old Nov 19th, 2019, 19:26   #15
DaveNP
Non VOC Member
 

Last Online: Yesterday 23:26
Join Date: Jun 2011
Location: Milton Keynes
Default

Quote:
Originally Posted by Richard_TD View Post
...
If you want to feel better about it have a look at the pictures in this thread about the Citroen Xantia
...
Digressing a bit but that reminds me of fixing a heater problem in my Renault Espace, remove both front seats, drop steering column, remove entire dash, replace aforementioned bit of foam draught excluder (with better quality draught excluder bought in B+Q), and then as Mr Haynes says 'refitting is a reversal of removal'. Now I recall that it makes my gripe about having to crouch, twist and squirm to reach the Volvo matrix seem rather trivial.
__________________

David
V70 2.5 10v Torslanda Manual 98 Sreg
DaveNP is offline   Reply With Quote
Old Nov 19th, 2019, 19:53   #16
capt jack
VOC Member
 

Last Online: Yesterday 17:35
Join Date: Jun 2006
Location: Selby, North Yorkshire
Default

It's a pretty easy job, just be ready for the coolant spill into the footwells.

Don't bother with a new matrix from the likes of Eurocarparts, the 'partsforvolvo' online one that I got for our S70 is still doing fine, but make sure that you do get genuine Volvo O-rings. they are pence each and it's absolutely vital that you don't try to re-use the old ones.

I've done this repair several times now, and can say that it should take no long than 90 minutes, two hours at most.

Jack
capt jack is offline   Reply With Quote
Old Nov 20th, 2019, 00:00   #17
Alpine
Senior Member
 

Last Online: Yesterday 14:01
Join Date: Jan 2012
Location: Leeds
Default

many thanks all

I guess that was why I was steaming up

On a Google search I cannot find a Behr one to come up, the only places I can find to buy them are Partsforvolvo and ECP.

Is it essential to drain the cooolant system before I do it? I've not done that before. RobertDIY didn't bother, I think, he just topped the reservoir back up afterwards.
__________________
Phil
'98 S70 2.5 20v auto
Alpine is offline   Reply With Quote
Old Nov 20th, 2019, 01:23   #18
Cookeh
Master Member
 

Last Online: Yesterday 23:45
Join Date: Feb 2018
Location: Derbyshire
Default

eBay for the Behr matrix, or autodoc et al. Don't worry about fakes as long as you buy from a reputable company like parts

Its not essential to drain your coolant but it is advisable. It's not a hard thing to do either, just undo the drain bolt with a suitable drain pan beneath it and the expansion tank off. Don't necessarily even need to jack the car up. If you don't drain it there's a risk that if your clamps aren't completely sealing the heater hoses (or if one slips) that you'll lose your entire coolant reservoir into the passenger footwell. That is not fun to have to deal with, believe me I know.
__________________
1995 Volvo 850 T5 Estate (Manual)
Cookeh is offline   Reply With Quote
The Following User Says Thank You to Cookeh For This Useful Post:
Old Nov 21st, 2019, 04:29   #19
PNuT
MaDMaN
 

Last Online: Yesterday 08:54
Join Date: Sep 2006
Location: Red Lodge
Default

It is actually quite easy to release the pipes as they enter the bulkhead.....
__________________
PNuT is offline   Reply With Quote
Old Nov 22nd, 2019, 20:42   #20
Bigfella666
Premier Member
 

Last Online: Nov 23rd, 2019 11:39
Join Date: Sep 2015
Location: London
Default

I have put two Hellas in two different motas with absolutely no probs

As advised if your coolant is not tip top use this opportunity to flush and replace

Best bit of advice I can give when installing the new matrix is ensure you have a second pair of hands on tap - alignment will be a breeze - trust me I learned the hard way trying to do the first on my Todd
Bigfella666 is offline   Reply With Quote
Reply


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT +1. The time now is 05:53.


Powered by vBulletin
Copyright ©2000 - 2019, Jelsoft Enterprises Ltd.