Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
I have a t800 KW; my low air pressure light and buzzer will
I have a t800 KW; my low air pressure light and buzzer will not go out even after the air dryer has cycled and im at 120 psi They replaced my starter last week and when they did, they broke some wires… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
I have a 2000 Freightliner with a 60 series detroit. The red
I have a 2000 Freightliner with a 60 series detroit. The red oil light and yellow check engine light is on constantly with a constant buzzer going the whole time operating. If i check the codes, i onl… read more
Roy Belding
Roy Belding
7,522 satisfied customers
Have awhen i got truck things were fine got truck home now
have a*****when i got truck things were fine got truck home now every time i start truck electronic malfunction light an buzzer comes on an stays on for awhile then goes off truck runs fine Please Hel… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
416 satisfied customers
I ran into a heavy rain storm and my low air buzzer and lite
I ran into a heavy rain storm and my low air buzzer and lite come on. tried to remove sensor behind brake pedal but could not remove pedal any advice … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
Have a 2007 m2 .no air brakes just air assist .Brake lighty
Hi have a 2007 m2 .no air brakes just air assist .Brake lighty is on and buzzer stays on when wheels are rolling .When I stop buzzer goes off .Light stays on … read more
Roy Belding
Roy Belding
7,522 satisfied customers
I have a 1994 Freightliner and I have not got any alarm
I have a 1994 Freightliner and I have not got any alarm buzzer action but the redlight on the dash comes on if the air is low is there a buzzer possibly taken out or unplugged if so where do I look … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
Have a international 4600. issue air. these items have
have a international 4600. issue air. these items have beenchanged, compression , govenor,air dryer bypassed,new gauge, all new sensors. Air gauge goes from 60 to 0 to 150 in a split second or it will… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
Gud day. I had an air leak under dash as it turned the
gud day. I had an air leak under dash as it turned the conector that holds the the air switch was cracked. replaced it now low air buzzer and light stay on. air leak fixed. This is a 2000 freightliner… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have a 96 freightliner FLD 120 has a 3406e cat engine ..
I have a 96 freightliner FLD 120 has a 3406e cat engine .. when I had a shop put it on a computer is showed a code for excessive speed that couldnt be reset. which is not not problem but thought it co… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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Peterbilt 379 with C 15 air pressure Buzzer issue,
Peterbilt 379 with C 15 air pressure Buzzer issue, suddenly started buzzing constantly unless I tap the brake pedal then it goes away for a little. P.S. The orange air gauge goes to 150 the white one … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have a Kenworth T 300 that I am having an issue with some
Customer: Hi There, I have a Kenworth T 300 that I am having an issue with some sort of buzzer going off, and it goes away if I turn on the lights and fan motor. The Alt guage also goes from 13.8 to 1… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
Good Morning Spanky, I have an older freightliner fld
Good Morning Spanky, I have an older freightliner fld 120 in the shop, it is around a 1999.The problem we have with it is that both the low oil and low coolant lights and buzzer come on intermittantly… read more
spankyjr1
spankyjr1
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Vocational, Technical or Trade Scho
2,873 satisfied customers
1993 white gmc (basically volvo) dash worked fine one day next
1993 white gmc (basically volvo) dash worked fine one day next day speedo, tach,voltmeter dont work and dash lights dont work when headlights on. Dash lights work when key on backwards.Seaat belt ligh… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
VOLVO n/a: i have a 2006 volvo its got a power backfeeding
i have a 2006 volvo its got a power backfeeding issue starting from the bunk controls. the buzzer beeps on and off in the bunk as well the light on the dash switch that turns on the bunk controls flas… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
I have a 1995 series 60 detroit , when it rains the engine
I have a 1995 series 60 detroit , when it rains the engine light on the dash comes on and the cruse control quits working , I loose some power and can not go over 64 mph , I can drive it to where to w… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
1992 custom T-800 Kenworth dump truck, My low air and other
1992 custom T-800 Kenworth dump truck My low air and other lights buzzer does not work. When I turn the key on, no air in tanks, none of the lights or buzzer work. If I turn on the Jake brake the ligh… read more
spankyjr1
spankyjr1
Journeyman
Vocational, Technical or Trade Scho
2,873 satisfied customers
Have a 05 Sterling semi. Brake light is on the dash. Air
Have a 05 Sterling semi. Brake light is on the dash. Air pressure is at 120 psi. Replaced all sensors. When truck starts moving the buzzer goes off.… read more
diesel-tech
diesel-tech
Owner of landrys truck repair llc
136 satisfied customers
working now on a 1990 mack 14 yard dump warning light on dash
working now on a 1990 mack 14 yard dump warning light on dash panel stays on w/ the key off change switch under the dash and still have the same problem… read more
JANECZFJ
JANECZFJ
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Meet the Experts:

Daniel Wilson

Daniel Wilson

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Wayne

Wayne

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worked on, Gmc, Macks, Freight liner,Mercedes Benz,,Ford, sterling

Jeremy

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Curtis B.

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Chris (aka-Moose)

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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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