Mattymdm Posted November 27, 2017 Report Share Posted November 27, 2017 Hi guys. My heater blower isn't very hot. Its warm but not hot. Just wondering if anyone could tell me the temp coming from there vents on there car so i can compare. Mines a 2002 GTI. No engine temp issues. Blower flap for heater is moving correctly. Suspicions points me towards a blocked heater matrix. Thanks in advance! Quote Link to comment Share on other sites More sharing options...
Rich Posted November 27, 2017 Report Share Posted November 27, 2017 blocked matrix is easy to check. just feel the pipes. Quote Link to comment Share on other sites More sharing options...
FlipFlops Posted December 13, 2017 Report Share Posted December 13, 2017 On 27/11/2017 at 5:38 PM, Mattymdm said: Hi guys. My heater blower isn't very hot. Its warm but not hot. Just wondering if anyone could tell me the temp coming from there vents on there car so i can compare. Mines a 2002 GTI. No engine temp issues. Blower flap for heater is moving correctly. Suspicions points me towards a blocked heater matrix. Thanks in advance! Man's not hot Quote Link to comment Share on other sites More sharing options...
Mattymdm Posted December 13, 2017 Author Report Share Posted December 13, 2017 14 hours ago, FlipFlops said: Man's not hot Man's bloody frozen! 65c in one side of matrix. 50c on the other side with fan speed 2. Quote Link to comment Share on other sites More sharing options...
Rich Posted December 14, 2017 Report Share Posted December 14, 2017 flap. Quote Link to comment Share on other sites More sharing options...
Mattymdm Posted December 14, 2017 Author Report Share Posted December 14, 2017 7 hours ago, Rich said: flap. Common issue? Fit a heater temp control to flap cable a while ago but nothing changed Quote Link to comment Share on other sites More sharing options...
Rich Posted December 14, 2017 Report Share Posted December 14, 2017 does the cable actually move the flap?has it been forced the wrong way round and jumped the runners? Quote Link to comment Share on other sites More sharing options...
jon_273 Posted December 15, 2017 Report Share Posted December 15, 2017 Thermostat. Water should be 85 not 65 degrees Quote Link to comment Share on other sites More sharing options...
cj1 Posted December 15, 2017 Report Share Posted December 15, 2017 6 hours ago, jon_273 said: Thermostat. Water should be 85 not 65 degrees If the thermostat was faulty it wouldn't open, not be permanently open? Quote Link to comment Share on other sites More sharing options...
Rich Posted December 15, 2017 Report Share Posted December 15, 2017 1 hour ago, cj1 said: If the thermostat was faulty it wouldn't open, not be permanently open? They fail open, normally through thermal expansion. Quote Link to comment Share on other sites More sharing options...
jon_273 Posted December 15, 2017 Report Share Posted December 15, 2017 1 hour ago, cj1 said: If the thermostat was faulty it wouldn't open, not be permanently open? Fortunately they fail open; if the failed closed then the car would overheat which would be rather inconvenient. Quote Link to comment Share on other sites More sharing options...
Mattymdm Posted December 16, 2017 Author Report Share Posted December 16, 2017 (edited) Rechecked. 85c one side 75c the other but only 44 coming out of the vents. Going to check the temp flap on the heater box to see if its jammed or not going to it most warm position Edited December 16, 2017 by Mattymdm Quote Link to comment Share on other sites More sharing options...
cj1 Posted December 18, 2017 Report Share Posted December 18, 2017 On 12/15/2017 at 6:19 PM, jon_273 said: Fortunately they fail open; if the failed closed then the car would overheat which would be rather inconvenient. On 12/15/2017 at 6:19 PM, Rich said: They fail open, normally through thermal expansion. Interesting. Mine failed and stayed closed. Quote Link to comment Share on other sites More sharing options...
Rich Posted December 18, 2017 Report Share Posted December 18, 2017 that's a rare thing. Quote Link to comment Share on other sites More sharing options...
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