Classic Audi Technical Mech/Tech Engine » Audi 80 coupe heater matrix

Thread Tools Display Modes
Old 30-01-10, 07:16 PM   #11
Classic Audi Club Member
styler's Avatar
Join Date: Jul 2009
Location: Donegal, Ireland
Posts: 3,443

same troubles as im having by the sounds of it.... i disconected the 2 hoses where they enter the matrix and started the engine ... no water flowing from the engine to the matrix.... try it on yours to see if you have water flowing...

get 'er done...
styler is offline   Reply With Quote
Old 30-01-10, 07:23 PM   #12
4 ring whore!
Classic Audi Club Member
quattrokid's Avatar
Join Date: Nov 2007
Location: Ayrshire
Posts: 9,654

let the engine warm upto operating temp,put the temp gauge to fully hot

GENTLY LOOSEN THE EXPANSION TANK CAP... untilyou have fully removed it, any air pockets willget pushed around the system untilit bubblesup into the expansion tank, have water or coolant to hand to top up the expansion tank as necessary.

Dont let thelevel in the expansion tank get too low other wiseyou'lljust suck back in more air pockets.

try this and see if it makes an improvement.
I did with the 90 quattro( 2.2 5pot) and got a bit of an improvement, next step is to check the thermo switch because I also have my engine fan on regardless to temp. and thermostat.
RS4 B5 (wife's / ours now )
S3 8L Imola Yellow
S3 8L Nogaro blue

UrS4 saloon (SOLD again)
S4 Cabrio (SOLD)
A4 cabrio 2.5 V6tdi (SOLD)
80 cabrio 2.6 V6 SOLD
90 quattro 10v SOLD
100 2.2e SOLD

FOUNDING MEMBER the 200,000 Plus miles Club
quattrokid is offline   Reply With Quote
Old 31-01-10, 12:18 AM   #13
Grown up member
stephen2320's Avatar
Join Date: Jun 2009
Location: Prestatyn, North Wales.
Posts: 45

I did the expansion tank trick today and the short burst of hot air is even hotter than before but still only seconds worth, so no air in it now as far as i know, i then took apart the heater controls and all the cables are working fine there i am going to disconnect the hoses to the bulk head tommorow and stick the hose pipe down them as we used to on the mini's and hope it may clear any blockages that are stopping the water getting to the matrix, i will keep you updated... let me know if you have any other ideas thanks guys.
stephen2320 is offline   Reply With Quote


audi, coupe, heater, heating, matrix

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

Similar Threads
Thread Thread Starter Forum Replies Last Post
Audi 80 heater hose Incredibelly Parts Wanted 5 06-12-09 01:40 PM
Would someone help me fit a new heater matrix?? SteveCat General Chat 8 23-10-09 12:45 PM
Dot matrix thingy in the dash.. (b4 coupe) Johnny_E Electrical problems 0 30-03-09 12:47 PM
heater matrix ferris360 Engine 6 24-02-09 09:22 PM
Replacing a heater matrix on a B4 Audiden Engine 8 22-09-08 10:15 PM

All times are GMT. The time now is 06:18 PM.

Powered by vBulletin®
Copyright ©2000 - 2021, Jelsoft Enterprises Ltd.
Copyright ©2007-2008 Classic Audi | Site by Roadrunna