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  #1  
Old 07-08-2010, 02:12 PM
wangbungal wangbungal is offline
Ford Ranger 1997 3.0 V6
 
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Default cool air when turn on heater

which one should i check? the thermostat? the heater control valve? the heater core? please need ideas TIA!

Ford Ranger 1997 2wd 3.0 V6
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  #2  
Old 07-08-2010, 03:17 PM
wangbungal wangbungal is offline
Ford Ranger 1997 3.0 V6
 
Join Date: Jun 2010
Posts: 239
Default cool air when turn on heater

sorry if i double post this, i just need to sort this problem as fast as i can

which one should i check? the thermostat? the heater control valve? the heater core? please need ideas TIA!

Ford Ranger 1997 2wd 3.0 V6
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  #3  
Old 07-08-2010, 03:21 PM
FireRanger FireRanger is offline
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Default Re: cool air when turn on heater

You're going to have to post a little more detail than "cold air when turn heater on". In the meantime, if you need then just open a window....
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2003 Edge 4.0 4wd

How to: Aux light wiring, relays, & fuses
Info: 300+ intake threads here on FRF
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How To: NO HEAT Troubleshooting Guide
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  #4  
Old 07-08-2010, 03:45 PM
wangbungal wangbungal is offline
Ford Ranger 1997 3.0 V6
 
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Default Re: cool air when turn on heater

oh i thought it was clear already, what i meant is when you turn your ac on, instead of cooling, you set your heating on, but instead of heat coming out of the vents it shoots cold air i hope its clear enough
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Old 07-08-2010, 05:11 PM
FireRanger FireRanger is offline
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Default Re: cool air when turn on heater

Actually that made it worse....
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2003 Edge 4.0 4wd

How to: Aux light wiring, relays, & fuses
Info: 300+ intake threads here on FRF
Info: HID Projectors
How To: NO HEAT Troubleshooting Guide
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  #6  
Old 07-08-2010, 06:29 PM
wangbungal wangbungal is offline
Ford Ranger 1997 3.0 V6
 
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Default Re: cool air when turn on heater

Quote:
Originally Posted by FireRanger View Post
Actually that made it worse....

nevermind thanks for nothing
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  #7  
Old 07-08-2010, 06:40 PM
FireRanger FireRanger is offline
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Default Re: cool air when turn on heater

You're welcome!! If you put crap in, you get crap out. I'm not sure what you want when you haven't explained wtf the problem is in a manner that makes sense.
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2003 Edge 4.0 4wd

How to: Aux light wiring, relays, & fuses
Info: 300+ intake threads here on FRF
Info: HID Projectors
How To: NO HEAT Troubleshooting Guide
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  #8  
Old 07-08-2010, 08:37 PM
More_Cowbell More_Cowbell is offline
Chrome Dont Get You Home
 
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Default Re: cool air when turn on heater

well as far as i can understand when he selects the heater he gets a/c coming out of the vents.. now ive heard of a/c blowing warm but never heater blowing cold..

and what the hell are you doing using the heater when its summer time in MIAMI!! i mean.. it was over 100 here today i cant imagine what it was there..

check to make sure your blower motor is working.. and that all the hoses are hooked up expecially the one from the blower motor , it should be that big black thing right infrount of the passenger side mounted to the fire wall the motor will have about t3-4 bolts holding it to the heater box
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1990 Ranger Extended Cab
2.9L V6 5 Speed Transmission
Planning to put a 347 and a T-5 in it eventually

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Originally Posted by FireRanger View Post
It looks like someone attacked the front of the truck with a bedazzler.

Last edited by More_Cowbell; 07-08-2010 at 08:39 PM.
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  #9  
Old 07-08-2010, 09:18 PM
wangbungal wangbungal is offline
Ford Ranger 1997 3.0 V6
 
Join Date: Jun 2010
Posts: 239
Default Re: cool air when turn on heater

Quote:
Originally Posted by FireRanger View Post
You're welcome!! If you put crap in, you get crap out. I'm not sure what you want when you haven't explained wtf the problem is in a manner that makes sense.
again thanks for nothing..

Quote:
Originally Posted by More_Cowbell View Post
well as far as i can understand when he selects the heater he gets a/c coming out of the vents.. now ive heard of a/c blowing warm but never heater blowing cold..

and what the hell are you doing using the heater when its summer time in MIAMI!! i mean.. it was over 100 here today i cant imagine what it was there..

check to make sure your blower motor is working.. and that all the hoses are hooked up expecially the one from the blower motor , it should be that big black thing right infrount of the passenger side mounted to the fire wall the motor will have about t3-4 bolts holding it to the heater box

coz im having overheating issues and decide to turn on the heater to remove some off the heat in the engine and found out my heater is not working properly
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  #10  
Old 07-08-2010, 11:03 PM
98rangerxlt 98rangerxlt is offline
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Default Re: cool air when turn on heater

Did you check your coolant?
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  #11  
Old 07-09-2010, 05:19 AM
More_Cowbell More_Cowbell is offline
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Default Re: cool air when turn on heater

yeah check the coolant and i would go ahead and replace the thermostat if i recall its not that hard to do on a 3.0l i did it on my car in like 15 mins
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1990 Ranger Extended Cab
2.9L V6 5 Speed Transmission
Planning to put a 347 and a T-5 in it eventually

Quote:
Originally Posted by FireRanger View Post
It looks like someone attacked the front of the truck with a bedazzler.
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  #12  
Old 07-09-2010, 06:01 AM
FireRanger FireRanger is offline
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Default Re: cool air when turn on heater

See what I mean about details.

Forget about the heater. There is probably nothing wrong with it. Your problem is overheating and that needs to be corrected. You're wondering why a sub-system isn't working and completely ignoring the fact that the main system it relies on is broken.
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2003 Edge 4.0 4wd

How to: Aux light wiring, relays, & fuses
Info: 300+ intake threads here on FRF
Info: HID Projectors
How To: NO HEAT Troubleshooting Guide
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  #13  
Old 07-09-2010, 08:36 AM
Yrac Yrac is offline
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Default Re: cool air when turn on heater

Ryan, take a deep breath and ensure that your radiator and overflow tank are full and that your entire cooling system has no air pockets. An overheating problem usally starts with low coolant.
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  #14  
Old 07-09-2010, 09:20 AM
wangbungal wangbungal is offline
Ford Ranger 1997 3.0 V6
 
Join Date: Jun 2010
Posts: 239
Default Re: cool air when turn on heater

i havent replaced the thermostat, this is what ive done lately, at first, the needle gauge for the temp rising up when in traffic, on highway, its fine, so i was told the fan clutch is bad, so i change the fan clutch, first move i made, the next day i notice the radiator is still bone dry the same as the reservoir, so i filled it up, and run it. still notices the needle gauge going up above the halfway mark after half an hour drive so i crank the heater to remove some off the heat on the engine but its blowing cold air, another problem arises, the next day filled it up again with a 50/50 but this time i replace the radiator cap, and so far, the fluid is holding up on the radiator,

now im tackling the problem with the heater, one thing i notice when the heater is on, two hoses thats going to the heater control valve is hot, but the two hoses leaving the heater control valve is not hot, any takes on this?
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  #15  
Old 07-09-2010, 09:32 AM
Yrac Yrac is offline
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Default Re: cool air when turn on heater

Where'd the water go? Crankcase? Exhaust? The heater won't work if the water (coolant) doesn't get there. Is it throwing any codes? (check engine light)
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'88 STX Super Cab 4x4
2.9 5spd 180,000 miles
Crappy Paint, Worn Parts,
Fix'em as they Break
when Nowhere is Now Here
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