Explorer Sport Trac 4WD V8-4.6L VIN 8 (2007)
Hose/Line HVAC: All Technical Service Bulletins
A/C - Thump Noise When Compressor Cycles
TSB 06-12-12
06/26/06
A/C COMPRESSOR THUMP NOISE WITH 4.0L V-6
FORD:
2006 Explorer
2007 Explorer Sport Trac
MERCURY:
2006 Mountaineer
ISSUE
Some 2006 Explorer 4dr / Mountaineer and 2007 Explorer Sport Trac vehicles built with a 4.0L V-6 engine and built before 2/7/2006, may exhibit an
intermittent thump or similarly described noise transmitted into the passenger compartment in A/C / Auto / Defrost modes, when the A/C compressor
engages. The noise may occur when the A/C suction line makes contact with the sheet metal cowl in the engine compartment. The identified thump or
similar noise may be audible behind the instrument cluster when driving and may also only occur intermittently under hard accelerations.
ACTION
Use the following Service Procedure to insulate the A/C suction line from contact with the cowl. Apply an adhesive foam block between the A/C suction
line and cowl sheet metal in the area of potential contact.
NOTE
A/C COMPRESSORS SHOULD NOT BE REPLACED TO CORRECT THIS CONDITION.
SERVICE PROCEDURE
1.
Visually inspect for the presence of a foam block between the suction line and cowl shown in Figure 1.
