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Discussion Starter · #1 ·
I have a new issue I need help with.

I have this new Air Hissing sound from the back of the engine. I can hear it when the AC is on or off. If I shut the car off it stops. This just started happening the last few days. It sounds like there is a hole in a hose, anyone have any ideas.[???:)]
 

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Did you try checking the vacuum lines on the back of the intake manifold?
 

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This Might Help.

FORD: 2000 FOCUS


ISSUE:
A "whistling" noise from the heater plenum near the blower motor resistor may be heard on some vehicles. This may be due to air leaking between the top leading edge of the blower motor resistor and the case.

ACTION:
Seal the top leading edge of the blower motor resistor. Refer to the following Service Procedure for details.

SERVICE PROCEDURE

Remove the blower motor resistor from the heater plenum (Figure 1).
CAUTION: DO NOT ALLOW THE TAPE AND/OR ROPE SEALER TO COME INTO CONTACT WITH THE METAL CONTACTS OF THE RESISTOR.



Place a 35mm x 8mm piece of electrical tape along the top leading edge of the resistor block.
Place a 35mm length of rope sealer on top of the tape on the leading edge of the resistor block (Figure 2).
Reinstall the blower motor resistor and verify the repair.

OTHER APPLICABLE ARTICLES:
NONE

WARRANTY STATUS:
Eligible Under The Provisions Of Bumper To Bumper Warranty Coverage

OPERATION DESCRIPTION TIME
000607A Reseal Blower Motor Resistor 0.3 Hr.
 
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