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Related Medium and Heavy Trucks Questions
2006 Isuzu Npr starts fine drives fine until I gets warm
2006 Isuzu Npr starts fine drives fine until I gets warm normal operating temperature and then it barely has any power has new fuel filter transmission fluid and filters both inside and outside it rec… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
1999 isuzu npr 4.8l diesel - initial problem: brake booster
1999 isuzu npr 4.8l diesel - initial problem: brake booster light comes on and brakes are spongy. Replaced: new front brake pads and rotors and calipers. rear brakes are fine. new master cylinder, new… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
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I want to replace thermostat in my 1995 Isuzu npr 66, I have
Hi there, I want to replace thermostat in my 1995 Isuzu npr 66 , I have order it and I have two. But I can only see one at top of block where radiator cap is, should there be another one somewhere ? … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
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I have a 1997 Ford Explorer 2dr sport. It's been running hot
I have a 1997 Ford Explorer 2dr sport. It's been running hot (almost redlining) for two days. Coolant is full, oil is full, and thermostat housing has been replaced. What is causing my truck to overhe… read more
Chris (aka-Moose)
Chris (aka-Moose)
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Vocational, Technical or Trade School
353 satisfied customers
I have a 97 Isuzu npr dump truck with the Chevy 350 5.7
Hi I have a 97 Isuzu npr dump truck with the Chevy 350 5.7 liter engine in it. The truck runs extremely poorly and cyl. 5,7 and 6,8 spark plugs are wet. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Looking to buy a a good scan tool for medium and heavy duty
hi there, looking to buy a a good scan tool for medium and heavy duty trucks,, the most trucks i work are 2008 workhorse with international engine, freighliner with cumin engine, ford F59 gas engine 6… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
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I spoke with you earlier regarding my '99 Isuzu NPR and I
I spoke with you earlier regarding my '99 Isuzu NPR and I went through the steps you suggested, but I still have the same problem. … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
402 satisfied customers
2008 Isuzu NPR 5.2 Diesel Auto. Replace AC low side line
2008 Isuzu NPR 5.2 Diesel Auto. Replace AC low side line because it had rub a hole where it attaches to the radiator area. Tried to charge and wouldn't take much. Replaced dryer "sock" and screen. Tri… read more
Mike Mcmillan
Mike Mcmillan
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Where is the hydraulic dipstick on a New Holland 3010? When
Where is the hydraulic dipstick on a New Holland 3010? When i put the PTO in gear its grinding and will not engage … read more
Curtis B.
Curtis B.
Technician
Associate Degree
38,818 satisfied customers
I have a no start on a 99 gas gm 5.7 isuzu truck. no spark
i have a no start on a 99 gas gm 5.7 isuzu truck. no spark and no power to fuel pump. no fuel psi at fuel rail. … read more
Jerry Newton
Jerry Newton
Vocational, Technical or Trade Scho
5,411 satisfied customers
I have Caterpillar 2012 D6T XL, it started to overheat an
I have Caterpillar 2012 D6T XL, it started to overheat an hour into the work day the engine fanning isn't spinning at the speed it should. Is the fan clutch out?… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,303 satisfied customers
I have a 2012 international with a maxx force engine. And
I have a 2012 international with a maxx force engine. And it'd Been overheating. I replaced the clutch fan, thermostats and still overheating. … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
2000 Isuzu NPR - Wiring diagram for a/c system. 2000 Isuzu
charge a/c system according to the specs and test the a/c compressor and its working if I give direct power … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
This question is for an Isuzu NPR expert. 2 months ago this
This question is for an Isuzu NPR expert. 2 months ago this truck was having issue with the 2 gear not shifting to 3 gear, I dropped the pan and found allot of metal dust and debris, the costumer deci… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
2011 Isuzu NPR 5.2L Turbo Diesel. Vehicle overheats only
2011 Isuzu NPR 5.2L Turbo Diesel. Vehicle overheats only when going up steep incline. Fluid is full, no leaks found, thermostats are new. Potential cause?… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
I have 2006 International 4300 that is overheating. I changed
I have 2006 International 4300 that is overheating. I changed the fan clutch and the thermostat and still overheats ... The following fault codes shows up; 27:2 612_14p 4:240 639_14p 241:254 639_14p 2… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
Sorry Andy I have been trying to communicate but having web
Sorry Andy I have been trying to communicate but having web problems .My VIN is 1htscaam3vh459462… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
Could a thermostat sticking and viscous fan not locking couse
Could a thermostat sticking and viscous fan not locking couse a 2010 Isuzu NLR 200 Series to overheat and set off the alarm? OR Would the coolant slowly leaking from EGR cooler into exhaust system cau… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

4,737 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,234 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

4,023 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,740 satisfied customers

ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, Network Engineer specializing in CAN faults, Aftertertreatment, and vehicle communications

cumminsdr

cumminsdr

Mechanic

1,700 satisfied customers

All types of Cummins applications

Curtis B.

Curtis B.

Technician

38,818 satisfied customers

Technician turned service manager on multiple lines of trucks and engines, used in industry.

Chris (aka-Moose)

Chris (aka-Moose)

Technician

353 satisfied customers

24 years of experience diagnosing & repairing

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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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