Is there a problem with my GMC Sierra 4×4?

Is there a problem with my GMC Sierra 4×4?

If it was 4Lo, then the problem is not in the front diff. – the diff. doesn’t have two speeds. Once you figure it out and do the repair, make sure you take it offroad and put it through the paces to make sure there was no damage. You don’t want to find out when you really need 4×4 and it’s not available.

How to troubleshoot a no start GM 4.3L pick up?

Testing a Cranks but Does Not Start condition on your GM 4.3L, 5.0L, 5.7L pick up, van or SUV is not that hard to do, if you have a solid diagnostic strategy. In this article I’ll show you the basics of testing such a problem.

What causes a car to have a no start condition?

The engine pistons and valves (and all the other related components like: timing chains, etc.) are the ones responsible for the induction of the fresh air the engine needs for the combustion process. Although rare, internal engine mechanical problems can and do cause no-start conditions. Blown head gasket. Blown engine. 4.)

What to do if your GMC Sierra won’t start?

Let sit for awhile, turn key, won’t start, turn key off, turn key again, starts up and runs great. A week later, same issue. I went to work everything great, went to go home, wouldn’t start. Tried to turn key a few times, won’t start, let sit about 15 min., turned key, started up. Stop to get gas 15 min. later, wouldn’t start. Stranded for 2 hours.

How does the starter work on a GMC Sierra?

The starter in your GMC Sierra is dependent on three pieces of equipment. First, the ignition switch sends electrical current from the battery to the starter solenoid. The solenoid then forces the gear in the starter housing to engage the engine. When the starter motor turns on and spins the gear, the engine roars to life.

What to do if your starter won’t turn over?

Turn the headlights on and then turn the ignition key to the “On” position. If the headlights dim, the ignition switch sends electricity to the starter motor and solenoid. If the headlights do not dim, the ignition switch is defective. Locate the starter. It bolts onto the driver’s side of the transmission housing.

What to do if your engine won’t start?

If in doubt about engine mechanical condition perform an engine compression test. Engines with under 350 PSI of compression per cylinder will have difficulty starting. This test will only be necessary in a minority of cases. To run an engine must also breathe.

What kind of tow rating does GMC Sierra have?

Sierra’s 12,500-lb rating requires Sierra Double Cab or Crew Cab Short box 2wd with 6.2L EcoTec3 V8 engine and NHT Max Trailering Package. Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner’s Manual. The weight of passengers, cargo and options or accessories may reduce the amount you can tow.

What kind of box does a Sierra cab have?

The 2021 Sierra Regular Cab comes with a long box. The 2020 Sierra SLE, Elevation and SLT Crew Cab come with either a short or standard box. The 2021 Sierra SLE and Elevation Double Cab come with a standard box.

Can you feel the gears on a GMC Sierra?

When you move the shifter can you feel the regular amount of resistance, can you feel the gears. If not the cable is broken or disconnected from the tranny. 94 people found this helpful. If the cable is good we need to check line flow/pressure.

How often does the GMC Sierra come out?

Their four generations have appeared every five to seven years: 1999 to 2007, 2007 to 2014, 2014 to 2019, and 2019 to the present. Here’s a look at some of the most common problems the GMC Sierra has had over the years.

Is the cab of a GMC Sierra rusted?

Frame cross member behind the cab is rusted through. I have owned vehicles in “salt” states and not had the frame rust out. This should not be considered a “wear item”. This can lead to a failure whereby the fuel tank falls down leading to a high risk of fire.

Are there any problems with the GMC Sierra 1500?

GMC Sierra 1500 owners have reported 19 problems related to frame rust (under the structure category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of GMC Sierra 1500 based on all problems reported for the Sierra 1500.

Why is my GMC Sierra 1500 making an abnormal noise?

An abnormal noise progressed from the front of the truck and upon a mechanics inspection, it was diagnosed that the upper control arm needed to be replaced, the drivers side window switch panel and recommended taking the vehicle further diagnostic testing on the internal electrical failures.