heater not hot enough

[Rob_deez]

Hi all

When i start my car up and leave running for 5 mins, i turn the heater on and it comes out warm for a few mins then it turns cold. What could this be? i need to get it sorted as its getting colder now!!

Cheers for your help

Rob

 

[fUbAr]

what car is it?

could be the heater matrix.

 

[Rob_deez]

clio 1.8 16v (mk1)

 

[edde]

Check for air blocks ie bleed it.

 

[Kev_md]

check theres enough water in expansion tank/radiator.

 

[Michael172]

hammer.

 

[Rob_deez]

hammer.

It is getting to that stage where i might have to use the hammer