HC HEATER MATRIX REPLACEMENT
Posted:
Sun Mar 26, 2023 4:20 pmby foshi
anyone done a heater matrix change tips please paul
Re: HC HEATER MATRIX REPLACEMENT
Posted:
Sun Mar 26, 2023 6:09 pmby droopsnoot
1972Nail wrote this up a while back, I've done this mod on both my cars with some success.
viewtopic.php?f=14&t=24998&hilit=heater#p98529
Re: HC HEATER MATRIX REPLACEMENT
Posted:
Sun Mar 26, 2023 7:27 pmby foshi
thank you droopsnoot will go down that route, have got the fan off how do i go about removing the matrix assume it comes out from above , bit of a learning curve for me used to 60s classics first vauxhall paul
Re: HC HEATER MATRIX REPLACEMENT
Posted:
Mon Mar 27, 2023 8:39 amby HC Fairley
Hi Paul,
Yes the matrix comes out from above. If you have the fan off the next thing you need to do is remove the black plastic surround the matrix sits in. Once you have this lifted out of the bulkhead it splits into 2 pieces in the middle which will allow you to remove the heater core itself and replace it with a new one. When you have replaced it I would advise trying to prime the matrix and pipes with coolant as they are prone to air locking. I have had trouble in the past with the heater only blowing cold air.