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Home >> Mazda >> 2006 >> 6 s, 4D Wagon, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 23 (Automatic Transaxle [Service, Removal & Installation FS5A-El)) >> Automatic Transaxle Fluid (ATF) Inspection >> Automatic Transaxle Fluid (ATF) Condition Inspection

Automatic Transaxle Fluid (ATF) Condition Inspection

WARNING: This page is about a different variant/trim than selected.
  1. One way of determining whether the transaxle should be disassembled is by noting:
    • If the ATF is muddy or varnished.
    • If the ATF smells strange or unusual.

ATF Condition 

ATF CONDITION

Condition Possible cause
Clear red Normal -
Light red: pink Contaminated with water
  • Broken oil cooler inside of radiator
  • Poor filler tube installation:

Problem could be occurring to parts inside the transaxle by water contamination. It is necessary to overhaul transaxle and detect defected parts. If necessary, exchange transaxle.
Reddish brown Has burnt smell and metal specks are found Deteriorated ATF Defect powertrain components inside of transaxle: Specks cause wide range of problems by plugging up in oil pipe, control valve body and oil cooler in radiator.
  • When large amount of metal specks are found, overhaul transaxle and detect defected parts. If necessary, exchange transaxle.
  • Implement flushing operation as there is a possibility to have specks plugging up oil pipe and/or oil cooler inside of radiator.
Has no burnt smell Normal
  • Discoloration by oxidation