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I have a 2006 GMC Yukon Denali AWD, my breaks keep locking
I have a 2006 GMC Yukon Denali AWD, my breaks keep locking up. Replaced the hydro boost and breaks and rotors. Still locking up, changed the power steering pump and same thing … read more
camerontech
camerontech
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I have a 2015 GMC Sierra 3500hd 6.6 LML. I have this weird
I have a 2015 GMC Sierra 3500hd 6.6 LML. I have this weird whine come up between 1500-1800 rpm. It's definitely engine related and can easily be created from playing with the rpm's. Does not do it whi… read more
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I have a 2012 GMC Sierra Denali hd. I was pulling my boat to
I have a 2012 GMC Sierra Denali hd. I was pulling my boat to the lake and I started to hear what sounded like an exhaust leak. Felt like truck started to loose power so pulled off on next exit. By the… read more
Josh127
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Can I get a diagram on replacing a power steering pump on a
Can I get a diagram on replacing a power steering pump on a 2003 GMC Sierra 2500 with the 6.0 and also how would I go about bleeding it? It appears to be leaking already and a lot of whining noise.… read more
Ron
Ron
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Vocational, Technical or Trade Scho
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I have a 2004 GMC Sierra 2500 HD. It makes a whining noise
I have a 2004 GMC Sierra 2500 HD. It makes a whining noise that gets worse when you apply the brake. Under hood, don't see pulley wobble but noise seems to be in belt/pulley area. About 150k miles, tr… read more
Kurt Mulling
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When I'm stopping the pedal looses and regains pressure and
when I'm stopping the pedal looses and regains pressure and also while i'm turning with the brake applied the steering locks up … read more
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I have a 2005 duramax just replaced the hydrobooster and now
I have a 2005 duramax just replaced the hydrobooster and now when i have the brakes pressed its hard to turn the wheel … read more
relicdigger3
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I have a 2005 Sierra 2500HD 6.6 Duramax. I started it today
I have a 2005 Sierra 2500HD 6.6 Duramax. I started it today and put in reverse to back out of my garage and had no power steering or power brakes.. I jacked the front end up and spun the steering whee… read more
JOHN aka Eauto
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When we apply the brakes, we lose power steering. Power
when we apply the brakes, we lose power steering. Power steering works perfectly while driving until we hit the brakes … read more
JFN1
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I parked my 2003 GMC 2500 duramax powered truck and now the
I parked my 2003 GMC 2500 duramax powered truck and now the power steering and brakes do not work. There was no whinning in the power steering when i parked it and no issues witht he brakes prior to p… read more
Derek Werner
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GM: 2004 6.6L Liter Duramax, Allison Transmission. Travel 25
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Pete
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GMC Yukon: I have a 2004 GMC Yukon, the brake pedal is hard
I have a 2004 GMC Yukon, the brake pedal is hard and the brakes are locking up. Where should I start? Any ideas what it could be?… read more
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GM Safria: GMC Safari van with hydro boost customer stated
GMC Safari van with hydro boost customer stated once wile drivi9ng lost power steering and brakes pulled over and it came back and once when stating van same symptom no power brakes or steering. it ha… read more
Expert
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GM 2500 HD SIERRA: hello,I have a 2003 GMC 2500 HD 4X4 w
hello, I have a 2003 GMC 2500 HD 4X4 w the 6.0L engine. The problem I am having is a whine in the power steering, I have replaced the pump but still have the problem....the steering and brakes work fi… read more
Tim\u0027s Auto Repair
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2003 GMC 2500 HD 4wd Sierra . Replaced new Power steering pump,
2003 GMC 2500 HD 4wd Sierra . Replaced new Power steering pump, rebuilt steering box , and new high pressure line on box with new pitman arm. Worked air out of system which works hard about steering w… read more
GM Tech (Cam)
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GMC Safari Van: 03 GMC Safari, Hydraboost... symptoms are When
03 GMC Safari, Hydraboost... symptoms are When Brakes applied, no power steering. When Brakes are released power steering returns and works fine. Replaced Hydralic lines to and from, replaced P/s pump… read more
proautotech
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GMC Sierra 2500 HD SLE: Hi there,I have a 2001 GMC Sierra
Hi there, I have a 2001 GMC Sierra 2500hd 6 litre Engine with Hydro Boost brake assist. We bought it new and tow a 30foot fifth wheel with it. Have Kept all maintenance up. About 2 years ago we starte… read more
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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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