Vac pump failure
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Joined: Jul 2003
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From: Newport, WA
Vac pump failure
Pretty sure mine is dying a slow death- power brakes aren't working so hot and the AC blows out the defrost vents until RPM's come up. The pump is also making more noise and there is a buzzing under the dash that goes up/down with rpm.
Question- will a failing vac pump cause the e-brake light in the dash to come on? Since this problem started the e-brake light has been on also. At first it was intermittent, now it's on all the time.
Question- will a failing vac pump cause the e-brake light in the dash to come on? Since this problem started the e-brake light has been on also. At first it was intermittent, now it's on all the time.
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Joined: Jul 2003
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From: Newport, WA
I figured so but wanted to confirm.
Maybe on your truck, not on mine.
Maybe on your truck, not on mine.
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Joined: Jul 2003
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From: Newport, WA
I'm well aware of how it's setup from the factory but thanks anyway.
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Joined: Jul 2003
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From: Newport, WA
I don't need to fix it, there's a reason the wire isn't plugged into the cheesy little sensor on the e-brake.
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Joined: Jul 2003
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From: Newport, WA
I wired it to a switch for my AIC since the stock sensor is so temperamental. The AIC needs to see the light on or it won't activate, and way back when I first installed it in my SD the switch on the e-brake wasn't working right. Run the e-brake wire to a toggle switch, flip the switch, light comes on and life is good.
Since the e-brake actually gets used on a regular basis and the sensor is working (at least for now) in my new truck I didn't need the switch, but I already had it setup so I used it anyway.
Since the e-brake actually gets used on a regular basis and the sensor is working (at least for now) in my new truck I didn't need the switch, but I already had it setup so I used it anyway.
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Joined: Jun 2007
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From: Austin, TX
Been through 2 vacuum pumps on my truck.. On both occasions, no lights came on in the dash. Not to say they aren't supposed to, but mine didn't. The e-brake light does work right on my truck too.. Vacuum pump is a 30 minute swap though.
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Joined: Dec 2008
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From: Mt.Angel
Yea better fix it tonight while your ar home. You would hate to get stranded away from home with no brakes like i did, 20 miles from home and some sketchy brakes is the least fun i have had in my truck.
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Joined: Jul 2003
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From: Newport, WA
I've been driving it all weekend with essentially no power brakes, I'm not too worried about it you just need to be aware of it so you don't slam into someone.
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Joined: Jun 2007
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From: Austin, TX
I don't like downshifting stock autos.. It doesn't feel right when you do.. At least none of the stock E4ODs or 4R100's I've driven felt good manually downshifting. lol