How can I tell if my Chevy 350 is in good condition?
Another good indicator of the condition of the engine is to listen to it run with the air cleaner off. This is best evaluated by someone who is familiar with engines, but a healthy engine should have a good, strong “sucking air” sound from the air horn of the carburetor which intensifies rather dramatically when you crack the throttle.
Why is my GMC Sierra 1500 stalling out?
No change. Next, read somewhere that bad ground wire on Thermostat housing can cause ECM issues. Checked it, cleaned it off, verfied that contact wanhers are all steel and attract a magnet, reinstall the ground wire.
Are there any changes to the GMC Sierra 1500?
New distributor comes with new ESC electronic unit, pickup coil, cap & rotor, also. No change. Next, read somewhere that the fuel pressure regulator diaphram if split could cause flooding. rebuilt throttle body unit, rebushed it and boiled it out and added rebuild kit and brand new Borg Warner injectors.
What should I do if my Chevy 350 has no power?
A rule of thumb on compression is multiply 20 X the compression ratio. Knock a shade off for altitude, barometric pressure, etc. (Thinner air affects it and so on.) If you think the transmission could be slipping you might try a stall test.
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.
What should I do if my GMC power window is not working?
If there is power, then check the dark blue wires at pin B of the window switch for voltage. If no voltage is detected on any or some of the wires, the wiring in the door jamb should be wiggled while the voltage is monitored to see if the is a fluctuation. If there is, it indicates broken or loose connections in the door jamb.
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.
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.
Another good indicator of the condition of the engine is to listen to it run with the air cleaner off. This is best evaluated by someone who is familiar with engines, but a healthy engine should have a good, strong “sucking air” sound from the air horn of the carburetor which intensifies rather dramatically when you crack the throttle.
Why does my Chevy 350 have no power?
If it doesn’t, and you find no other issues such as fuel starvation or exhaust restrictions, your camshaft could be excessively worn. Many older, higher mileage smallblock Chevys develop flattened cam lobes over time, resulting in lack of power and, sometimes, backfiring and the like.
When does a Chevy 350 engine stall out?
The engine should stall out at around 2000 RPM give or take. Do this test quickly and don’t beat it to death. If the RPMs go up to 3000 or whatever odds the transmission is on the way out due to slipping. You can repeat this test in LOW and SECOND but allow a few minutes between each test.