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Can a Hitch be Installed Over New Undercoating on a 2015 Mazda CX-9  

Question:

can you install this hitch after undercoating has been applied? i will chase the threded holes with a tap first, but what about the sides contact points,

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Expert Reply:

I recommend scraping away the undercoating where a trailer hitch makes contact with the frame on your 2015 Mazda CX-9. Sometimes undercoating can be quite thick and it can cause some fit issues when installing a hitch so it is best just to scrape it away with a small chisel or putty knife (or similar tool).

I have linked a video showing an example installation of hitch # 13575 for you. The recommended ball mount is # C45030 with a 1 inch rise/2-1/4 inch drop. If the ball mount does not have the right rise or drop to tow the trailer level, use the link I have included that explains how to measure to choose a ball mount to tow the trailer level.

If it does work then for a 2 inch ball use # 63845 and for a 2-5/16 inch ball use # 63847. And for trailer wiring use # 118520 to add a 4-Way flat connector to the rear of the vehicle.

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Michael H
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Instructions

Instructions for 118520Instructions for 13575

Miscellaneous Media

ballmount
How to Measure for Trailer Hitch Drop
Trailer Hitch Installation - 2015 Mazda CX-9 - Curt
Trailer Hitch Installation - 2015 Mazda CX-9 - Curt - Video
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