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I replaced the hydroboost on a 3500 Duramax diesel and I

Customer Question
have no pedal goes down...
I replaced the hydroboost on a 3500 Duramax diesel and I have no pedal goes down to the floor and then I have to pull it back up to get it back
JA: How old is the engine? And when was it last serviced?
Customer: There's only 85,000 on the truck it's 2006
JA: Are you fixing your 3500 yourself? What have you tried so far?
Customer: Yes doing it my self I have no brake pedal power steering is full and master cylinder.
JA: Anything else you want the mechanic to know before I connect you?
Customer: No
Submitted: 10 months ago.Category: GMC
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Answered in 16 hours by:
1/6/2017
GMC Mechanic: GM Bob, ASE Master Technician replied 10 months ago
GM Bob
GM Bob, ASE Master Technician
Category: GMC
Satisfied Customers: 1,154
Experience: 30 plus years experience as GM technician, ASE Master Technician and GM Certified
Verified

Hello my name is ***** ***** for the delay.

When you start the engine does the pedal go down by it's self?

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GMC Mechanic: GM Bob, ASE Master Technician replied 10 months ago

Do you still need help?

If not I will close this question.

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Gm Tech (Cam)
Gm Tech (Cam)
Gm Tech (Cam), GMC Mechanic
Category: GMC
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