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Accumulator HVAC: Customer Interest
A/C - Thump Upon A/C Compressor Engagement

TSB 09-4-1

03/09/09

A/C COMPRESSOR THUMP UPON ENGAGEMENT - 
BUILT BEFORE 07/20/2007

FORD:
2008 F-Super Duty

ISSUE
Some 2008 F-Super-Duty vehicles built before 07/20/2007 may exhibit a thump noise upon A/C compressor engagement.

ACTION
Follow the Service Procedure steps to correct the condition.

SERVICE PROCEDURE

Replace the A/C Suction Accumulator. Refer to Workshop Manual, Section 412-01 Suction Accumulator.

Parts Block

WARRANTY STATUS: Eligible Under Provisions Of New Vehicle Limited Warranty Coverage 
IMPORTANT: Warranty coverage limits/policies are not altered by a TSB. Warranty coverage limits are determined by the identified causal part.

OPERATION

DESCRIPTION

TIME

090401A

2008 F-Super Duty:

1.0 Hr.

Replace The Suction
Accumulator, Includes
Time To Recover,
Evacuate, And Recharge
The System (Do Not Use
With 19700A, 19700A18)

DEALER CODING

CONDITION

BASIC PART NO.

CODE

19C836

42

Disclaimer

Heating and Air Conditioning > Accumulator HVAC > Component Information > Technical Service Bulletins > Customer Interest for Accumulator HVAC: > 09-4-1 > Mar > 09 > A/C - Thump Upon A/C Compressor Engagement

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