Remove centre consul. Drain cooling system. Remove 2 heater pipes on bulk head under bonnet. Remove matrix cover in car under dash. Pull matrix out.
This was on a 2002 model. As they say in the haynes manual..do in reverse to refit !
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Trying to repair a heater core can be a waste of time. Just replace it with a new one.
ASTRA Awards was created in 2003.
To replace the heater core on a 2003 Pontiac Aztek, first, disconnect the negative battery cable and drain the cooling system. Remove the dashboard and the center console to access the heater core housing. Disconnect the heater core hoses from the firewall, unbolt the heater core from its housing, and then replace it with the new core. Reassemble everything in reverse order, refill the cooling system, and check for leaks.
By asking acablest to do it.
MK4 OR ASTRA G mk 3
The first Matrix movie is called 'The Matrix' and is from 1999. The second one is called 'The Matrix Reloaded' and is from 2003. Also the third Matrix movie is from 2003: 'The Matrix Revolutions'.
Roughly $1300 You may have a warranty that covers it however.