S2000 Under The Hood S2000 Technical and Mechanical discussions.

heater not as strong anymore

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Old 12-06-2008, 05:43 AM
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Originally Posted by SgtB,Dec 6 2008, 08:32 AM
Check that the cable hasn't come off the heater valve under the hood.
heater valve cable? where is that?
Old 12-06-2008, 06:33 AM
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Against the fire wall just behinf the header. It's connected the bracket coming off the firewall right below the hood seal.
Old 01-28-2010, 06:36 PM
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how do you adjust the heater valve cable? when i turn my dial to MAX heat, the air isn't hot at all. When i pop my hood and adjust the valve manually, it starts to blow hot air. But when i turn the dial to cold, then back to hot... it doesn't resume blowing hot air.


How would i adjust the vavle cable to where it will fully open the valve for hot air? It seems like many had this problem in the past from my research, but i have no idea how to adjust this
Old 01-29-2010, 05:10 PM
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i have that cable on my dc2 too its right against the firewall. i had the same problem but it blew cold air. take it to any foreign car shops or any honda specialist shop. they will know how to adjust that, if you can't find it. the guy tech that adjusted mine knew exactly why it was doing that when he went out and did a hands-on diagnosis and 2 mins later he fix it for me no charge.
Old 01-30-2010, 06:11 AM
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Not sure if this was said above, but fill your coolant tank up, let car idle to 3 bars, TURN OFF the car and then bleed the air out of the coolant system. Be sure the car is OFF when bleeding, then repeat maybe 2 more times, but be sure to refill tank if low in b/t.
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