What are the most common GMC truck problems?

One of the most common 2007-2013 GMC and Chevy truck problems owners experience is excessive oil consumption. This problem led vehicle buyers to launch a class-action lawsuit against GM, which alleged 2010-2013 vehicles with Generation IV 5.3 Liter V8 Vortec 5300 engines were defective.

How can I obtain additional information on a new GMC?

Ask your local GMC dealer for specifics about the model you’re interested in. He or she will be glad to provide you with a schedule. To locate a GMC dealer please visit the GMC Dealer Locator. How can I obtain additional information on a new GMC before the vehicle is produced?

What do you need to know about the GMC?

With a complete portfolio of products, GMC Accessories has everything you need to personalize the interior and exterior of your GMC vehicle, as well as enhance its capability and performance.

How does the GMC Sierra heavy duty work?

Sierra Heavy Duty’s Gooseneck/ Fifth Wheel Prep Package eliminates the time-consuming aftermarket installation process entirely – and, more importantly, it was designed from square one to be strongly and seamlessly integrated into the Sierra Heavy Duty itself.

Why is my GMC Truck cylinder head cracking?

Some vehicles may experience a gradual coolant loss over time. A very low percentage of cylinder head (s) manufactured with an embossed Castech logo may develop a porosity crack in a very specific area. Inspect the cylinder head assembly to determine if the casting was manufactured by Castech.

How many ways can a cylinder head crack?

There really are three main ways a cylinder head can crack, and all three are doozies. The bolts fastening the cylinder head to the engine block are overtightened.

How many cylinder heads does a car have?

Unless you drive a car with a wacky Wankel rotary engine, your car has at least one cylinder head. Vehicles designated as a V design – V6, V8 and such – have two cylinder heads, one for each side of the V.

Can a cracked cylinder head cause coolant to leak?

Coolant is responsible for cooling the engine, cylinder head, and many other processes. Similarly to oil, a cracked cylinder head can cause coolant to leak. This can be noticed by either a puddle forming beneath the car when parked or an overheating warning lighting up on the vehicle’s dashboard.

What should I do if my 2000 Chevy Silverado dies?

2000 chevy silverado starts then dies repeatedly has a new fuel pump fuel pressure regulater and mass air senser 2000 chevy silverado starts then dies repeatedly has a new fuel pump fuel pressure regulater and mass air senser – Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website.

What makes a 2000 Chevy 4.3 truck not start?

7,686 satisfied customers 2000 Chevy 4.3 truck start won’t start runs little rough 2000 Chevy 4.3 truck start won’t start runs little rough fuel pump new think it’s fuel pressure regulater … read more Roy Belding 7,686 satisfied customers

How to troubleshoot a GM 4.8L 5.3L?

You can find this tutorial in Spanish here: Cómo Diagnosticar y Resolver Una Falla en Cilindro (GM 4.8L, 5.3L, 6.0L) (at: autotecnico-online.com ). The core symptom of a misfire is rough idle. This isn’t the only symptom that your GM van, pickup or SUV might experience… here are some more that you might see:

How often does my GMC Truck turn over?

So far this has been the case pretty much every time i am starting the truck cold. I’ll try to start it and it will turn over for about 3-4 seconds (have tried a bit longer, still no go) then i’ll stop and try to start it again, and the second time it fires right up.

What to do when your GMC Truck won’t start?

Try turning your key to the run position a few times (with out starting). Then try to start it. If it starts, sounds like what mine did. I replaced the fuel pump assembly and that fixed the problems. Very common problem.

Are there any issues with my GMC Silverado?

Another common issue with 2007-2013 Silverados and Sierras is that the fuel level sensor stops working. After approximately 120,000 miles, the fuel gauge may start misreading the fuel level or working inconsistently. You might find it always reads empty even right after you fill up the gas tank. It might also jump between full and empty.

What’s the problem with my 2008 Chevy Silverado?

If this sensor or switch fails, the vehicle will display the service 4WD message. This faulty 4WD issue is among the most common problems with the 2008 Chevy Silverado, according to reports from owners. Often, the failure stems from the two ground wires attached to the frame under the driver’s door.

What causes a GM V8 engine to leak coolant?

Knowing where to look helps and often a cracked cylinder head is the source of the problem. Between 2001 and 2006 GM manufactured millions of engines, many with defective cylinder heads castings. The cylinder head castings are weak in the area where the head bolts pass through.

Why are the head bolts on my GM V8 cracking?

Between 2001 and 2006 GM manufactured millions of engines, many with defective cylinder heads castings. The cylinder head castings are weak in the area where the head bolts pass through. Over time, the heating and cooling cycles of the engine take a toll and the head may crack. The cracks most often appear around the center row of head bolts.

What kind of truck can run for 300, 000 miles?

The Tundra is the brand’s full-size hauler, with 2.9 percent of them on the road still running after posting better than 200,000 miles, and 0.2 percent at 300,000 or more miles. 10. Honda Ridgeline The third of three pickup trucks noted to run for 200,000 or more miles isn’t really a truck in some respects.

Can a car run for 200, 000 miles?

200,000 miles. While leasing a new vehicle for two or three years now accounts for about a third of all transactions, it’s not for everyone.

When did the GMC Sierra have the most problems?

The model years with the most problems reported were 2004 and 2007, with more than 60 complaints each year, followed by 2002, 2003, 2005, and 2010, with more than 40 each year. Of the 112 problems, five different complaints have been reported 90 or more times.

Can a Chevy Silverado go over 25 miles an hour?

The truck didn’t elcelerate over 25 miles an hour when I pushed the pedal down. I just had the oil changed but I can look at the fuel filter to make sure it was actually changed and was a good filter. Today I didn’t have any problems with it. It comes and goes.

What kind of car won’t go over 25 mph?

My 1997 Buick Lesabre reaches 25 mph then looses pressure. It won’t go into reverse. Any suggestions? 4 people found this helpful. applying to the truck not going over 25, yes the fuel filter will do that such a thing John. It did it to my truck, i replaced it and it ran great after!

What’s the average number of miles on a GMC Sierra?

The issue appears on average around 147,713 miles. The diagnosis of the problem runs between $88 and $111. Another 258 people reported the second-biggest issue where heating and air conditioning temperature and air delivery mode door actuators may fail.

How to find out if there is a recall on my GMC?

If you want to determine whether or not there is a recall on your current vehicle or on a vehicle you are considering, visit www.nhtsa.gov/recalls or call 888-327-4236. * The Manufacturer’s Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees and optional equipment. See your GMC dealer for details.

What are the features of a GMC Sierra?

GMC also retains a few exclusive features such as Adaptive Ride Control suspension and the Multi-Pro tailgate, which we had the pleasure of testing on the 2019 Sierra 1500. The Sierra will soon receive an optional carbon fiber bed, which Pierce said is “repairable and different from the stuff you’d see on a sports car.

What kind of acceleration does a GMC Sierra have?

Alright I’m going to do the best I can to try and describe what is going on. I have a 2005 GMC Sierra with the 5.3L H.O. 139K. The truck starts and idles without an issue. Durring light acceleration and at low speeds (city driving 35 mph or so) the truck seeems to run fine.

Is the GMC Sierra 3500 HD chassis cab?

The advanced technology inside the Sierra 3500 HD Chassis Cab commercial truck helps keep you confidently connected to help you get the job done while on the road. you can stay connected to the internet right from the comfort of your Sierra 3500 HD Chassis Cab.

How often does GMC Sierra 3500 HD need to be repaired?

GMC Sierra 3500 HD owners have to bring their vehicles into a repair shop for unscheduled repairs an average of 0.3 times per year, compared to an average of 0.3 times for fullsize trucks and 0.4 times for all vehicle models. The average total annual cost for unscheduled repairs and maintenance across all model years of a vehicle.

What is the reliability rating of the GMC Sierra 3500?

Reliability rating based on the cost, frequency, and severity of actual repairs. The GMC Sierra 3500 HD Reliability Rating is 2.5 out of 5.0, which ranks it 11th out of 17 for fullsize trucks. The average annual repair cost is $1,121 which means it has poor ownership costs.

What kind of wifi does GMC Sierra 3500 have?

The advanced technology inside the Sierra 3500 HD Chassis Cab commercial truck helps keep you confidently connected to help you get the job done while on the road. With 4G LTE Wi-Fi Hotspot you can stay connected to the internet right from the comfort of your Sierra 3500 HD Chassis Cab.

What to do when your GMC Sierra stops running?

If you have fuel pressure after the above tests pull a spark plug and check for spark. If you don’t have spark check the cam position sensor in the distributor. If you have spark with no pressure it is the pump.

Why does my GM Truck start then die?

He was thinking fuel pump or fuel filter. He was about to take it to a dealer to be checked out when someone told him to turn the key to the on position and leave it there until the dash lights went out then start the truck. He did this and says the truck is running fine now. It reset the security system.

What happens when a GMC Silverado shuts off?

Usually if it is bad the truck stays on but won’t start after it gets warmed up so that is probably out of the question. GM’s Passlock/VATS anti-theft system does not let it run for 5-10 seconds; it starts and immediately stalls.

How long does a GMC Silverado run before it stalls?

GM’s Passlock/VATS anti-theft system does not let it run for 5-10 seconds; it starts and immediately stalls. It works the same on new and old GMs alike.

Why does my GMC pickup truck use so much oil?

The AFM system, which disables some of the engine’s cylinders at lower RPMs to reduce fuel use, is the most common cause of this issue. While the system accomplishes this, it also leads to oil use problems. Some drivers have reported using as much as a quart of oil every 1,000 miles.

Why does my GMC Sierra suddenly stop running?

Truck suddenly stops running, acting like it’s out of fuel. There is fuel in the gas tank and, I can hear the fuel pump when I turn the ignition on. Is there a fuse, or relay that is maybe causing this to happen?

How to check fuel pressure in a GMC Sierra 1500?

You will have to check the fuel pressure at the rail, the test port is ontop driverside about 3/4 the way back. Black cap on aluminum fuel line. The best thing would be to buy or rent a fuel pressure test gauge as it would thread onto this port. If not I’ve used good safety glasses a rag and a screwdriver to check for pressure.

How to set the engine timing on a 1988 GMC Truck?

Set the adjustment on the timing light (with the small dial) according to the specifications listed. Most GMCs have a spec decal glued to the top of the fan shroud, indicating the correct number. If it requires 12 BTDC (before top dead center), dial the timing gun to 12 degrees. Have your assistant start the engine.

What kind of engine does a GMC pickup have?

This engine was designed as a direct replacement for 1987-1995 Chevy & GMC pickups, SUV’s, and van applications. These vehicles featured a 350 ci, 5.7 small block Chevy with TBI (throttle body injected) EFI system and swirl port heads.

What kind of oil does a 1987 GM truck use?

JEGS 40213 – 8.0mm Red Hot Pow’r Wires 1985-1995 Small Bloc… Use conventional or break-in oil (non-synthetic) for the first 600 miles of operation. Do not drive for long periods at any single speed, always vary your speed.

When to change the engine oil in a GM Truck?

Check the engine oil and coolant levels daily. At 600 Miles change the engine oil and filter using conventional (non-synthetic) oil. Check fuel and ignition settings; adjust valves (where applicable). After the first 5,000 of service synthetic engine oil may be used.

Which is the most popular Chevy pickup truck?

GM’s modern full-sized pickups, the Chevy Silverado and the GMC Sierra, are two of the most popular trucks on the road today. While they’re reliable trucks overall, like all vehicles, GM pickups have their share of issues. GM’s modern full-sized pickups are the Chevy Silverado and the GMC Sierra.

What was the problem with my GMC pickup truck?

Specifically, the lawsuit claimed the active fuel management (AFM) system, piston rings and PVC system in these vehicles were faulty and caused excessive oil consumption, as well as premature spark plug degradation and engine malfunction.

What kind of exhaust does a 98 GMC K2500 have?

( Support ) My 98 GMC K2500 L29 7.4 litre has 2.5″ true dual exhaust with pro Flowmax mufflers an X-Pipe, cat delete but still has both upstream and both downstream o2 sensors. At times I get a dtc for bank 1 and 2 too rich.

What kind of engine does a Chevy truck 454 have?

The C/K 3500’s standard engine is a 5.7-liter V8 OHV 16-volt FI engine, and the 454 engine comes as an optional upgrade. The upgraded Vortec 7400 is a 7.4L V8 OHV 16V-volt FI engine.

What was the ignition module for a 1996 GMC c2500?

1996 GMC C1500, C2500, C3500 Pick Up. 1996 GMC K1500, K2500, K3500 Pick Up. All of the information you need to diagnose a misfire or a no-start problem (caused by the ignition coil, the ignition module, or the crankshaft position sensor).

The C/K 3500’s standard engine is a 5.7-liter V8 OHV 16-volt FI engine, and the 454 engine comes as an optional upgrade. The upgraded Vortec 7400 is a 7.4L V8 OHV 16V-volt FI engine.

Is the K3500 7.4 Vortec a stock Cam?

Yes it doesn’t have any cats, it does not have any O2 Sims. My weekend project is to turn some on the life, the spark plug defouler at the local auto parts store are too thin. Yes it is the stock cam.

What to do if your K3500 has power loss?

If it has a cooler than stock thermostat or a temp sensor that is reading low the PCM should add fuel. It may even pull timing to get the engine up to temp as well. That probably wouldn’t help you rough idle symptom but it is worth a shot since it seems like you’ve covered everything else.

What is the brake light pattern on my 1992 Chevy C / K 1500?

I have a 1992 Chevrolet C/K 1500. My brake light on my dash has been on ever since I got it, and today the light started blinking in a pattern. I’ve looked everywhere, but I can’t find anything about it. The pattern is 3 short blinks and 1 long blink. Any Ideas?

What kind of ABS does a 1993 K-1500 have?

I have a 1993 K-1500, so if you have ABS I’d check that, the only thing is that black box ain’t cheap so the mechanic just unhooked and heck the brakes work fine. The mechanic told me that it was only front ABS anyways so I really didn’t need to replace that box.

What is dump valve on Chevy C / K 1500?

The dump valve is the alluminum block with two soliniods on it mounted below the brack module and has a 4 pin connecter going into the brake module, and two brake lines. Remove the grey or black 4 pin connector and check the ohms across pins D to A 3-6 ohms and pins D to B 1-3 ohms measured from the harness end.

When to troubleshoot a GMC ABS brake system?

Instead, the ABS system will pump the brakes to provide better control over the vehicle for the driver. If you suspect you are having trouble with the GMC ABS brake system, you should troubleshoot the problem to verify whether there is a failure in the system. Open the fuse panel underneath the dash.

What should I do if my GM brakes are bleeding?

The modulator motor pack, isolation solenoid valves, gear cover and individual gears are all serviceable parts and can be replaced separately. The brakes on GM cars equipped with Delco ABS-VI may be bled using manual, vacuum or pressure bleeding. The usual bleeding sequence is right rear, left rear, right front, left front.

What kind of brakes does a Chevy Silverado have?

The modulator assembly has fluid chambers for all four brakes, two isolation solenoid valves, four check balls, a motor pack containing three bidirectional direct current motors with electromagnetic brakes (EMBs) and/or expansion spring brakes (ESBs), three ball screw assemblies, four pistons, a gear drive set and gear cover.

What causes a GM torque converter to lock up?

Most of the time it is a stuck Torque Converter Clutch (TCC) solenoid, but this is not the only cause of this problem. General Motors has issued a few Technical Service Bulletins (TSBs) relating to this problem. There is also a specific diagnostic procedure to determine the exact cause of the TCC problem.

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