99 and newer Volvo S80 Control Unit ABS / STC

96-97 Volvo 850 Control Unit TRACS 2 / 4WD, Control Unit ABS

98-00 Volvo C70, S70 and V70 Control Unit TRACS 2 / 4WD, Control Unit ABS

Also known as ABS Computer, Controller and Module

Turbo Model ABS TRACS Controller Removal Instructions

Updated Saturday June 04, 2011

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  1. Remove the ABS fuse.
  2. Disconnect the air mass meter connector.
  3. Loosen the turbo intake hose clamp and separate the hose from the top portion of the air filter assembly.
  4. Release the clips that hold the top of the air cleaner assembly to the bottom section. There are 6 or 7 clips around the air cleaner assembly.
  5. Remove the top of the air cleaner assembly and the air cleaner.

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4.5 Release the valve pictured in the circle. Pull it straight up to release and set it aside.

5. Disconnect the fresh air intake hose from the front and where it attaches to the bottom air cleaner assembly.

6. Spray some WD-40 in the retainer clips of the bottom air cleaner assembly. With a quick motion, pull the air cleaner assy. straight up to release it from the retainer clips.

7. Remove the bottom air cleaner assembly, lift first the side next to the air intake tubes and release the other side from the fender wall.

8. After the air cleaner assembly is removed and the turbo intake hose are moved out of the way, you will be able to gain access to the connectors of the ABS unit and to the screws.

8. This is the best way to position your hands to remove the ABS unit screws.

9. With your left hand hold the tool tightly against the screws and with the right hand operate the ratchet handle.

10. Go back and continue with the removal of the ABS unit.

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