Driving Wheels On Rollers

Pitter

Pitter
Contributor
:
2020 CX-5 Signature Azul Metalico
As part of emissions tests in some states, two wheels either front or rear are driven at speed on rollers. Is there any ill effect from this on the drive system of the AWD CX-5?

Seems like there might be.
 
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Texas
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'20 CX-5 Signature
Generally, AWD vehicles are exempt from the "roller test" and instead receive an idle test.
 
Last edited:
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2018 CX-5 Sport
When they first put in the 'roller test', I had a sports car with awd and limited slip differential, and the inspector put it on the rollers and my car almost drove off them and then stalled. He was like "Oh, is this awd?" and I said yes so the roller test was skipped. Since then my state has gotten rid of all those tests and all they check is the computer and emissions.
 
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