Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
My truck when i put it in drive it in a high gear and it act
Second Opinion] My truck when i put it in drive it in a high gear and it act like its trying to go into another gear … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
3,870 satisfied customers
2006 gmc c7500 6speed gas are the Rpms supposed to be night
2006 gmc c7500 6speed gas are the Rpms supposed to be night at over 60mph? … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
3,870 satisfied customers
2005 gmc topkick c5500 i have yellow wrench light is off at
2005 gmc topkick c5500 i have yellow wrench light is off at this time when i drive after 1.5 miles truck looling power and yellow wrentch light on with circle … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
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I have a 03 Chevy c5500 and I Drive it for 2 or 3 days and
I have a 03 Chevy c5500 and I Drive it for 2 or 3 days and on the 4th day it won't start... I've changed both batteries and the starter … read more
Bradley Martin
Bradley Martin
72 satisfied customers
I have a 2008 Gmc 5500 topkick Duramax engine 1st the
I have a 2008 Gmc 5500 topkick Duramax engine 1st the sending unit leaked around top took out cant find replacement not making anymore or some thing it was exposed water was over ran onto unit and suc… read more
JOHN aka Eauto
JOHN aka Eauto
self employed
High School or GED
21,560 satisfied customers
2000 GMC c5500 topkick 7.4 454. Started it up this morning
2000 GMC c5500 topkick 7.4 454. Started it up this morning and reduced power light was on and throttle had no response whatsoever. Turned it off and back on a few times and reduced power light went of… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
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Bypass governor and why is my 1999 topkick c6500 going 10mph
Bypass governor and why is my 1999 topkick c6500 going 10mph slower than actual sppen at 80 … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I got a 2006 GMC C5500 with a durmax coolant light and a red
I got a 2006 GMC C5500 with a durmax coolant light and a red liight with a X comes then truck dies I have changed the Temperature sensor … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
2000 gmc c5500 topkick 7.4 454. Was removing leaking
2000 gmc c5500 topkick 7.4 454. Was removing leaking hydroboost and when I went to separate the hydroboost motor from the hydroboost unit, a check ball fell out and I dont know what hole it goes back … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
3,870 satisfied customers
C5500 CODES P1404 P0404 P0299. 2005 GMC 5500 DURAMAX. TRYING
C5500 CODES P1404 P0404 P0299 JA: Just to clarify, what's the exact code? And have you tried to reset it? Customer: NO JA: What is the model/year of your Chevy? Customer: 2005 GMC 5500 DURAMAX JA: Are… read more
Todd Audette
Todd Audette
Automotive Technician
Vocational, Technical or Trade School
363 satisfied customers
I have a 2007 GMC topkick c5500. The other day one of the
I have a 2007 GMC topkick c5500. The other day one of the guys was driving it, shut it off and it wouldn't restart, it had no power to the cab. Finally got it to start then driving down the road lost … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
2003 gmc c5500 topkick, turn key and all power goes out, No
2003 gmc c5500 topkick, turn key and all power goes out, No crank no start. replace battery, starter, igntion switch and still same thing … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
A friend hs a 1992 GMC Topkick Lopro with a 366 V-8. Truck
A friend hs a 1992 GMC Topkick Lopro with a 366 V-8. Truck has been sitting in a lot for three years without a battery and has not been started. I put a battery in this afternoon and cranked her over.… read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,571 satisfied customers
Have a 94 topkick with 2 speed rear. Truck drives fine in high
Have a 94 topkick with 2 speed rear. Truck drives fine in high gear. When split the gears, truck seems fine till 5th gear. It then may act as if it comes out of 5h, speedometer revs, and acts as if cl… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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111mk, 07 GMC C5500 Topkick. The truck has a 6.6l duramax and the
07 GMC C5500 Topkick. The truck has a 6.6l duramax and the heat doesnt work. Any likely spots to start looking?… read more
Pete
Pete
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General auto certifications
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I have a 2006 GMC C5500 Topkick. the problem Im having is
I have a 2006 GMC C5500 Topkick. the problem I'm having is that all lights are working but I get no brake lights when brake applied. I am getting no power to the brake fuses and the brake relay gets w… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
GMC topkick: I have a 1993 gmc topkick. I was just going down
I have a 1993 gmc topkick. I was just going down the road at 65 and the gas pedal got stuck and kept accelerating. I had to turn off the engine and coast to a stop. Started it back up and it continued… read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,571 satisfied customers
2003 gmc topkick with a 2400 series Allison goes into limp
2003 gmc topkick with a 2400 series Allison goes into limp mode 60 seconds after it is started. if I shift the truck into drive before 60 seconds truck shifts great through all gears but as soon as I … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
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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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