Renault Clio 1 Petrol (1991 - 1998) - 94 1.4 heater | Technical matters | Back Room Forum

Wed 29 Oct 2008 18:21

94 1.4 heater - amphibianalf

HI ALL....
following on from a diffo post....about my hi fuel consumption....
my heater only blows cold air i read that the clio's suffer from the heater matrix clogging/scaling up so i tried this....
take off the hoses from the the matrix where it goes though the bulkhead...i put some clear tubing onto the in/outlets of the matrix....blew though some air to remove some more water and elevated the hoses and filled with heavy duty descaler from the supermarket...the type you have to leave to work.....i left it for 5 hrs and a lot of cr#p came out when i flushed it ....put it all back together again ....while this hasnt cured it 100% i now have warmer air and the stuff i used recomends leaving it for 8hrs....but i couldnt....this may seem like a bit of mucking about but its that or taking the dashboard out to fit a new matrix....so i'm gonna do it another couple of times to see if it helps...
i'll post the results as and when .....AL........

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