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| E21, E30 General discussion and technical help for 1975-1991 3 series cars. |
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10-06-2007, 04:03 AM
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#1 |
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No heat. I NEED heat!
So i just replaced my thermostat and thermostat housing. I have hot heater hoses until they go under the intake manifold. Going to the heater core (firewall) the hoses are cold. It's getting to be 30's here in Utah and i need heat. No heat, No dates! I need this fixed STAT! What is under the manifold that takes my heat away? BTW, i have an E30 325E
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10-06-2007, 10:21 AM
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air lock or blocked heater matrix? |
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10-06-2007, 01:13 PM
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For the pics, upload them on the file manager and then click the insert picture icon. For the heater part, let me check around and ask some friends. You might have a clogged hose.  or like stevo said.
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  How do I spell relief??  AUTOBAHNNNNNNNNN "GO FASTER  !!"
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10-06-2007, 10:30 PM
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#4 | |
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bleed your radiator, there is air in your system, make sure when you bleed it the heater is on full blast so the coolant can circulate through the heater-core
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I keep forgetting that - I have a great memory but it doesn't last long|
10-06-2007, 11:27 PM
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How does one bleed the radiator? Via the screw on top of the thermostat housing?
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10-07-2007, 01:47 AM
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Quote:
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How do I spell relief?? AUTOBAHNNNNNNNNN "GO FASTER !!"
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10-19-2007, 11:34 AM
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#7 |
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Hi Try this- Engine running Heater controls set to hot Header cap off Keep squeezing all water pipes watching for air bubbles Top up coolant as required When satisfied no air put header cap back on Release bleed valve on thermostat housing and check that no air and only coolant is coming out . It worked for me. |
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10-19-2007, 12:03 PM
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#8 | |
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Quote:
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10-22-2007, 01:31 PM
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#9 |
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Ok... so i Put a heat gun to my Hoses going in and out of my firewall. The temp drops ALOT from the time it goes in, 160 somethin, to the time it comes out, 120 somethin. Bad heater core/ heater controle valve?
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10-22-2007, 06:53 PM
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#10 |
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bleed, bleed, bleed, and bleed. seriously. the m20 motors can be a pain
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 ...let's go to the highway!  Member of the Spririted Driver Club. 
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