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Just finished detailing my rear axle on my 70 mach and was wondering why the rear axle vent hose would be routed to the upper shock mounting sheetmetal on the body? Seems to me you would want to vent to clean air and not so close to my interior cabin. Is this some weak attempt at a closed emission system?
Just wondering...
Mark

Mark Memmer
70 Calypso Coral Mach 1 351C 4V Completed by 8/01
98 Cobra Convertible
93 5.0 Mustang LX (Winter Ride)
00 Volvo S80 (Wifes Ride)
 

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You're really only venting the rear because the oil gets hot and needs to be able to expand. Venting allows it to expand without pressurizing the differential. It really won't give off much in the way of fumes, and the idea is to vent it as high as possible to avoid moisture from entering through the vent ... the shock area is the logical place.

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Also, with the end tucked into the shock crossmember area, there is less chance of dust and grit from entering the tube.

Regards,

Dean T

Shikatta Ga Nai - "It cannot be helped"
 

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Plus oil fumes from rear oils are probably not corrosive.

Door handle first when cornering
 
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