Questions tagged [truck]

A light, medium, or heavy duty vehicle often used for transporting goods. Frequently used to refer to consumer pickup trucks (light duty), but can also refer to large panel vans and diesel utility trucks (medium duty), and large 3-axle diesel trucks (heavy duty, aka lorry, big-rigs, semi-trucks).

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29 views

2021 Toyota Tacoma 4hi @ 70mph

I just bought a 2021 Toyota Tacoma sr5. I wanted to test the 4 wheel drive switching on the fly. I switched to 4hi at 40mph. Worked perfectly. I got distracted and forgot to switch back to 2w. I drove ...
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1999 Ford F-250 Super Duty 7.3L Slow Acceleration When Cold

I have a 1999 Ford F-250 Super Duty 7.3L. The problem I'm having is that as we approach winter and the nights get colder, my vehicle is accelerating very slowly. For example, if I'm going down the ...
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OBS Ford fuel quantity discrepancy

I recently purchased a 1997 Ford F-250 Heavy Duty with the 7.3L Powerstroke diesel and 212k miles on it. Two fuel tanks (front and rear) with a two-way selector on the dash. When I drove it off the ...
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Anti-freeze to use on an old classic truck 1953 International

What type of anti-freeze should I use on my 1953 international pickup truck with a stock radiator?
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Setting the steering box correctly on a 1967 Chevy C10 pickup

I’m rebuilding a 1967 Chevy C10 pickup and have replaced the entire front end with new parts. I changed from 6 lug to 5 lug, to new tires/rims to the ball joints, including a new steering box. The ...
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Is it possible to swap out the v6 in my 2019 Ford f 150 XL rwd with a 4.6 v8 2 valve engine?

Can I swap out the v6 in my 2019 Ford f150 xl regular cab to a 4.6 v8 2 valve engine? Will the wiring, plumbing,drive train and exhaust be needed to changed as well? And if so what kind of the wiring, ...
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34 views

2002 GMC Sierra Brakes spongy

I have a 2002 Gmc sierra SLT that I just picked up a few months ago. The issue is that the brakes are awful, and they appear to be an issue the previous owners were chasing down too, all calipers, ...
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Where can I find a manual for my old school bus?

My father and I have a 1967 (we think--I have my suspicions that it's a 69-73, due to the fact that the 1967 model for GMC had a different hood) GMC 950 B-Series 12-window bus, long since converted ...
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Silverado Hitch Install with Two Factory Arms

What is this hitch looking bar with arms instead of a receiver? I expected just the truck frame with weld nuts; or a hitch with a receiver. This looks like a hitch but two arms instead of a receiver. ...
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White smoke coming out of manual locking hub

Alright so I just bought a 1988 Dodge W100 5.9 360 small block. I got it home a over a hours drive didn’t notice anything strange but the next day after driving it about a hour I noticed hearing some ...
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Lifted Ford F-150 Shaking Horribly at 70+ mph

So I have a 6” lift on my 2010 Ford F-150 platinum. I have 35” Nitto ridge grapplers with some Moto metal rims. I just got my alignment checked out, tires rotated and one tire rebalanced. My truck ...
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0v across CAN bus lines

I am trying to connect to the CAN bus of a heavy trucks 24V OBD2 port. I have already tested my setup with a van, and confirmed it working. The only differences I can see between the 2 vehicle's ...
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Electrical question - solar panels and kill switches

I have an old truck and I don't drive it much. I've hooked up a 1.5v solar charger to the battery to keep it fresh. It's working well, but when I do drive it I need to unplug the solar panel or risk ...
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Oil change on isuzu box truck

My husband changed the oil on his isuzu box truck and he says he did eveything exactly as he was suppose to but this morning he got up and drove it and it went into regin and then he seen alot of ...
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Truck takes a lot of tries to start

Bare with me. I don't know much about vehicles. My 2004 Dodge Dakota takes like 10-20 tries to start in the morning. During all the failed tries, I only hear a click each time (that means it's not ...
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75 views

Why do I keep having to replace my starter?

I have a 1996 Chevy c1500 w/t v6 Vortec & I replaced the starter & flywheel & it ran for a couple months then the starter stopped hitting the flywheel (it just sounded like it was spinning)...
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Would you replace an EGR or hose down the existing one with throttle body cleaner?

I realize that some of this can be botttled down to 'how much down-time is it worth to me' or 'what is the fastest way to fix a faulty EGR' but that isn't my question. I can handle a day or two of ...
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Center support and bearing replacement [closed]

My 1980 Plymouth Arrow truck engine and transmission have been changed to a Nissan Z24 engine with manual transmission. My question is I ordered the center support bearing for a Plymouth Arrow Truck. ...
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2k views

No pressure in clutch after bleeding the system

I have a 1992 GMC C2500. When I got it there was no pressure at all in the clutch. I bleed it from the bleed valve for about 20 minutes to make sure there was no more air bubbles coming out. After all ...
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My bronco is having transmission issues

I have a 1996 full-size bronco with a 351W and an E4OD trans. I’m having to tach up to or past 3k rpm it to shift. It does way better in higher gears and reverse. Also, when i drop it into 1st and 2nd ...
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77 views

Tire chains appear to touch suspension components?

Years ago I bought some chains for my truck (2005 Tacoma 4x4) just in case I'd ever need them. I have tires sized 265/65-17 and I have confirmed that these chains are intended to fit that size tire. ...
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Big clunk/thunk when stopping fully

This problem started about a month ago. Just got back from traveling for the holidays and have to resolve this problem ASAP. Sometimes, but not always, the truck will clunk or thud hard when going ...
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Transmission is slow to engage

I have a 1988 GMC Sierra 4x4 truck, and I recently bought a rebuilt NV3500 transmission from a 1995 chevy truck (I picked this year, because from 1993 onward, this particular transmission used a ...
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1k views

Manual transmission grinds shifting into 2nd gear, only when cold

I have a 1995 Chevy K1500 pickup, V8 5.0L engine. The 5-speed manual transmission was rebuilt about 10 years ago. Recently, I’ve noticed that when the vehicle is cold, I get a grinding noise from ...
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Starter motor spins but engine does not crank

I have an intermittent starter problem on my 95 Chevy K1500 pickup truck. When I turn the ignition, I hear the starter motor spinning but the engine does not turn over. If I put the truck in gear ...
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Why doesn’t my truck crank up after I changed the starter,neutral safety switch and starter relay?

I had my truck stored away for about a year and the battery went bad so I changed it,but the truck didn’t crank until I put it on neutral or sometimes it would start on park.Today I had the neutral ...
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2010 toyota tacoma AC not working

Blower motor is brand new, tried a replacement just in case and it still did not work. I've got a new diffuser on the wire harness. Lights come on for the ac when I turn the knob on the dash, but the ...
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Trucks fuel economy dependence on weather

I am searching scientific data and studies on the link between weather and fuel consumption in HDV (heavy duty trucks). For now I have found almost nothing. Can anyone help?
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What is a through-drive axle? and what is an interaxle differential?

While reading the 'Mercedes Truck Front Axle Systems' (https://www.mercedes-benz.com/en/mercedes-benz/vehicles/aggregates/powertrain-trucks-front-axle-systems/) I was confused as to what a 'through-...
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243 views

Chains hanging from rear axle of trucks

I often see trucks (school buses, ambulances, sometimes dump trucks) which have metal chains hanging off the rear axle, on either side of the differential. What are these for?
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1k views

AC Compressor runs for 45 mins and shuts off

This is on a 1997 Chevy C2500 with a 5.7L. It has a new AC compressor, AC condenser, AC Manifold hoses (suction and discharge). After an evacuate and recharge, the AC blows ice cold for about 45 mins (...
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What’s causing my truck to jerk and rpms to go up and gown

Okay so I have a 1996 Chevy 1500 pickup. When I’m going down the highway and get to 45mph or so my rpm will start to jump up and down and the truck starts to jerk. My speedometer also will drop and go ...
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Truck's exhaust temperature: how to read EGT sensor by ODB / FMS / Can-bus?

I succesfully decoded can-bus data from a VW Caddy, but know nothing about OBD and trucks. For a research I need now to read a truck's exhaust temperature (EGT sensor), possibly by OBD. I would ...
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Should I over- or under-inflate my tires when towing?

We're about to take a trip across the country towing 5000lb (2300kg) with our SUV. It's rated for 9k, so I'm not worried about that, but I'd like to know how much to inflate my tires. Advice on the ...
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733 views

What causes rear axle shaft breakages in heavily loaded trucks on uphill shifts?

Where I come from the ISUZU FSR 33H is the preferred truck for transporting heavy construction materials. The truck is capable of hauling loads in the order of 6 to 7 tonnes. However I cannot help but ...
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faint white smoke, burning smell and poor acceleration

I have a 1998 V8 5.7 Chevy Silverado C1500 RWD, my problem is I did have a small wreck in this truck and have been replacing parts on it, I hit a ditch and the right front tire hit a metal culvert ...
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Plow Truck was working great but after 20 minutes it began to smoke, stalled and now will crank but will not start [duplicate]

My plow truck is a 4.3 1991 Blazer, it was working great but after 20 minutes or so it began to smoke, then stalled out and now it will crank but will not start. The oil, transmission (auto) fluid, ...
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Why did the Tesla truck have a centre mounted steering wheel? Are there any advantages to such a system?

I asked this question on a trucking forum and the general consensus was that it would make backing up much harder. Does it eliminate any sort of blind spots?
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Clutch pedal won't go to the floor to engage neutral safety switch

This is a 1993 K1500 Sierra 4x4. I just replaced the clutch master and slave cylinders and bled the line. The clutch has pressure but it won't go all the way down to engage the neutral safety switch....
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Why Don't Medium Duty and Heavy Duty Trucks require Airbags?

Why Don't Medium Duty and Heavy Duty Trucks require Airbags? According to GSO 42 regulation, Passenger Cars, MPV, Trucks or Buses with GVW less than 3500Kg requires an airbag, while for MDT & HDT ...
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What do I make a custom box truck body out of?

I'm working on a box vehicle conversion project, and I need to replace the main body. It looks like the original method was steel frame, plywood on top of that, and large sheets of galvanized steel ...
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Truck Cap Lighting and Wiring - Can I splice two ground wires together, connect to one ground?

I have a new truck bed cap. I need to wire the cap's dome light and third brake light. As such, the cap has four wires (supply to dome, ground from dome, supply to brake light, ground from brake light)...
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72 views

Truck fleet monitoring project

I need to design a truck fleet monitoring system and make a prototype of it during my traineeship this year. I've been looking into the different buse networks that are already implemented in trucks ...
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124 views

Why does Actors truck has oil in the radiator?

Actros V6 engine. There is engine oil in the radiator, but no water in engine oil. I have replaced the oil cooler, but the oil is there again. Then I changed the head gaskets and check the head, but ...
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4k views

Heavy Truck OBD2 diffrent from Car OBD2?

My problem: I try to read data’s from Heavy trucks(40Tonns) via OBD2. This is needed for a research project. I have already read many articles about OBD2 and interfaces for OBD2 like about the ELM ...
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475 views

What limits the max power rating of a V belt drive?

We know that belt drives are limited in their max possible power rating and most high power/torque applications(trucks) use gear drives. I wanted to know the main factor that limits the power/torque ...
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598 views

Is this a headlamp housing or a headlight bracket?

I have a 2015 Ram 1500 Crew Cab Sport 4WD. Something on or near the driver side headlamp is broken: The dealership is quoting me $600 to fix this broken piece of plastic, so I want to search ...
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2k views

Difference between Trophy Truck and Hammer Truck?

I just saw the video: https://youtu.be/i85ya5wpTzA In Baja 1000, of the many vehicles competing, there are two which interested me, mainly Trophy Truck and Hammer Truck ... What is the difference ...
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Where to attach ball hitch on 1989 10ft former U-Haul truck?

I have a 1989 Toyota 10 ft box truck that was a U-haul in a former life. I would like to attach a 2 inch ball hitch to the rear. Problem is, this is a low step loading configuration where there ...
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How widesread are truck ALS systems today?

Talking specifically about such non-exotic vehicles as long distance semi-trucks, city buses etc., what is the today's de-facto standard with regard to availability of Automatic Lubrication Systems on ...