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2001 Ford F-150 King Ranch 4.6L Heater
loud howling noise from heater box between 900 and 2000 rpm. changed core on suspicion of stoppage. noise gone initially until stat opens then noise is back changed stat and still the same.. heres what i know... noise is rpm related---noise only with stat open...
FIX posted 5/17/2008
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Related Documents & Media | VIN | 1FTRW07W01 |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Affected | Heater |
| Conditions | Howling Noise |
Message Closed
Vehicle Data
2001 Ford F-150 King Ranch
| VIN | 1FTRW07W01 |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Affected | Heater |
| Conditions | Howling Noise |
Video