What farts?

[h2odrx]

At least ours have signs of life...

ouch....

 

[trackspeeder]

Interesting discription. Vac pump.

 

[argve]

too bad the E doesn't even fart...

 

[NJKen]

It is most likely the ABS module cycling the valves. It should do this every time you start it to keep all the internal parts free of the crap that acumulates in brake systems.
Ken

 

[93turbo_animal]

my father-inlaws truck does this but it didn't do it when it was new