Having problems with your 1999 Volkswagen Passat ?

How do I retract the caliper piston?

\015 How do I retract the caliper piston on the rear brakes of a 1999 VW Passat?\015 Posted / edited by AnonymousUser on : 11-01-2021

Answers :

Note on rear-caliper piston tool:
Instead of\015\012paying $50 for the VW or similar custom tool, you can use a generic $5\015\012import "cube" tool available at most national-chain part stores.
#\015\012One side of the cube has 4 prongs. Grind or file off 2 diagonally\015\012opposite aka kitty-corner prongs to allow the cube to fit the vw rear\015\012brake piston.
# Use with a 3/8" ratchet. It can be easier to fasten\015\012the rear caliper back onto the carrier without the rotor in place while\015\012using this tool. That way you get a little extra leverage.
# Use as\015\012follows: engage the two prongs and turn piston 180° clockwise.\015\012Remove the tool. Use a generic caliper tool or a c-clamp and push the\015\012piston in about 2mm. Keep alternating back and forth between the cube\015\012tool and the c-clamp until piston is almost all the way in. If you\015\012are strong enough, you may not even need the c-clamp - just push with\015\012the cube tool as you turn. Instead of the cube, you can even use\015\012needle-nose pliers, but then you definitely need the c-clamp.
# Even\015\012with this special tool, the rear brakes can be rather difficult, so\015\012make sure you have plenty of time. I still recommend purchasing or\015\012renting the $50 professional tool cause it is much easier to use.
#\015\012If you're\015\012totally confused by all this, just take your wheels off and\015\012look at the brakes up close. Its simpler than it sounds on paper. And\015\012get the Bentley publishers shop manual for your car. That book pays for\015\012itself after one or two jobs. If your still at lost, Auto Zone has the\015\012loner tool you'll need for $50.00 and you'll get it back after you\015\012return the tool and they can give you the step by step instructions\015\012mentioned above. Good luck.
Pry inner pad back enough to get caliper off, remove pad if attached, and use a "C" clamp, slowly.
Repair Help & Product Troubleshooting for 1999 Volkswagen Passat

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