One way to learn your vacuum pump is getting weak...
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Joined: Mar 2011
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From: Hicksville Ks
One way to learn your vacuum pump is getting weak...
Took the 14 to a my friends shop and put new brake pads on all the way around, fixed a valve stem leak and whatnot, and when we set it down to pump the brakes, after starting it didn't have much for power brakes. Seems that if you use the brakes alot quickly when these pumps start wearing out, you start loosing boost pressure.
Now the fun part. Sourcing one. They are about 200 bux and no-one (haven't tried dealers yet, I'm sure they are much more there) has any.
Now the fun part. Sourcing one. They are about 200 bux and no-one (haven't tried dealers yet, I'm sure they are much more there) has any.
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isn't there a recall for leaking booster...may be for the newer stuff?
seems to be a common repair this decade...jeep grand Cherokee has a recall...my bmw x5...dealer wanted $1000. pick and pull had one for $39. jeeps you could change in 1 hour..x5 took 4 hours#$#$%%
seems to be a common repair this decade...jeep grand Cherokee has a recall...my bmw x5...dealer wanted $1000. pick and pull had one for $39. jeeps you could change in 1 hour..x5 took 4 hours#$#$%%
Thread Starter
CF Senior Member
Joined: Mar 2011
Posts: 529
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From: Hicksville Ks
Supposedly the brake recall has been done, I took it in shortly after I got it and they did the power steering recall and brake recall, however having just dug up the recall info, it sounds like the same issue.
Condition General Motors has decided that a defect which relates to motor vehicle safety exists in certain 2014- 2018 model year Cadillac Escalade, Chevrolet Silverado, Chevrolet Suburban, Chevrolet Tahoe, GMC Sierra, and GMC Yukon vehicles. In some circumstances, these vehicles may have a condition in which the engine-mounted mechanical vacuum pump output may decrease over time, decreasing the amount of vacuum/power brake assist.
Correction Dealers will reprogram the electronic brake control module with a new calibration that will improve how the system utilizes the hydraulic brake boost assist function when vacuum assist is depleted.
Correction Dealers will reprogram the electronic brake control module with a new calibration that will improve how the system utilizes the hydraulic brake boost assist function when vacuum assist is depleted.
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Jan 19, 2013 11:04 PM