Two new rear calipers both leaking between banjo Bolt and caliper?

WJSMITH18

MEMBER
2018 MERCEDES BENZ 250SE
2.0L
4 CYL
TURBO
2WD
AUTOMATIC
44,000 MILES

Also, one caliper does not float only when I loosen it up. The vehicle listed above is a CLA 250 4MATIC.

Friday, December 9th, 2022 AT 10:48 AM

3 Replies

KEN L

MASTER CERTIFIED MECHANIC
43,048 POSTS

Make sure the surfaces are clean and that you have a copper sealing washer on both sides of the banjo fitting. Also look for any irregularities in the sealing surfaces on both the caliper, bolt and fitting. Also, clean and lubricate the slides #2 on the diagrams below.
Check out the images (below). Let us know what happens and please upload pictures or videos of the problem.

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Saturday, December 10th, 2022 AT 11:59 AM

WJSMITH18

MEMBER
2 POSTS

Thanks Ken, the leaking went away. But the left caliper sticks whenever I tighten down on the bolts, I really think this caliper is out of spec.

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Saturday, December 10th, 2022 AT 2:06 PM

KEN L

MASTER CERTIFIED MECHANIC
43,048 POSTS

I am glad you got the leak fixed was it the copper washers? It could be a caliper issue or he brake rotor is not on all the way? Can you upload images of the problem so I can see what's going on?

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Monday, December 12th, 2022 AT 11:57 AM

Two new rear calipers both leaking between banjo Bolt and caliper?

3 Replies

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