A/T, Engine Controls - Idle Fluctuation/Shudder/Judder: Overview
02-068December 17, 2002
Applies To:
1999-00 Civic HX With CVT - ALL
1999-00 Civic HX With CVT: Shudder, Judder, Surging, Shock, Noise, or Idle Fluctuation
(Replaces 01-014, CVT Shudder or Whine on Acceleration From a Stop, dated April 3, 2001)
SYMPTOM
The vehicle may have one or more of these symptoms:
^ Idle fluctuates between 500 and 1,500 RPM (The fluctuation is more pronounced before the engine reaches normal operating temperature.)
^ Shudder or judder when accelerating from a stop or just before stopping
^ Surging at highway speeds between 2,000 and 3,000 RPM
^ Excessive shock when the engine is cold and you start to accelerate
^ A "coo" sound, lasting about 5 to 10 seconds, after coming to a stop
PROBABLE CAUSES
^ The PCM control unit programming is too sensitive.
^ The start clutch assembly is worn.
^ The start clutch control valve is contaminated.
CORRECTIVE ACTION
Replace the start clutch assembly, the start clutch control valve, and the PCM.
PARTS INFORMATION
REQUIRED SPECIAL TOOLS
Start Clutch Remover: T/N 07TAE-P4VA120
Start Clutch Installer: T/N 07TAE-P4VA130
WARRANTY CLAIM INFORMATION
In warranty:
The normal warranty applies.
Operation Number: 219167
Flat Rate Time: 6.0 hours
Failed Part: P/N 22020-P4V-326
H/C 6916555
Defect Code: 034
Contention Code: C99
Skill Level: Repair Technician
Out of warranty:
Any repair performed after warranty expiration may be eligible for goodwill consideration by the District Parts and Service Manager or your Zone Office. You must request consideration, and get a decision, before starting work.
DISCLAIMER