ford Workshop Repair Guides

Ford Workshop Service and Repair Manuals

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Accumulator HVAC: Customer Interest
A/C - Thumping Noise On Cold Engine Start-up

Article No.
99-24-6

11/29/99

NOISE -"THUMPING" FROM THE A/C SYSTEM 
DURING COLD ENGINE START-UP - VEHICLES BUILT 
THROUGH 11/29/1999

FORD:
1999-2000 SUPER DUTY F SERIES

ISSUE
A "thumping" noise from the A/C system may be heard during cold engine start. This may be caused by liquid present in compressor during start-up.

ACTION
Replace the A/C accumulator with revised Accumulator (YL3Z-19C836-BA). Refer to the 1999 Super Duty F-Series Workshop Manual, Section 412,
for A/C accumulator removal and installation procedures.

PART NUMBER

PART NAME

YL3Z-19C836-BA

Accumulator

OTHER APPLICABLE ARTICLES: NONE
WARRANTY STATUS: Eligible Under The Provisions Of Bumper To Bumper Warranty Coverage

OPERATION

DESCRIPTION

TIME

992406A

Replace Accumulator

1.2 Hrs.

DEALER CODING

CONDITION

BASIC PART NO.

CODE

19C836

07

OASIS CODES: 208000, 702000, 702100, 102300

All Technical Service Bulletins for Accumulator HVAC: > < Wheel Fastener|Front|Page 7879