Tothemax

So I just had my vacuum pump replaced under the extended warranty. It was humming in the morning and sometimes when you pulled off the interatate.

Anyways. Since I've had the truck back it's been running like a top. Two major things I noticed are very little turbo lag and a smoother idle. I've been experiencing both for a while now and have tried resetting the Kam and tps numerous times to fix the lag. No joy. Even tried a few different tunes. No hemp. You could feel a bump in the seat at idle. Now it's almost gone. Does our vacuum pumps have anything to do with either system?

Tothemax

No one? Truck is still driving like a raped ape.

FoX2012

Brakes

Tothemax

Clearly. But is it tied into any other system?

FoX2012

Impacts only brakes, though gets clogged up from crap coming in from the cac. Catch can and drill mod should fix permanently.

tcp2

your IWEs need vacuum to engage the hubs for the front 4wd. It comes from the same vacuum system as the brakes.

SoonerLS

Tothemax

If it only controls brakes I am dumfounded why the turbos are spooling like they are and why it's driving so well.