Does a Chevy Blazer have a timing chain?
You might be wondering why it is so lucky that this vehicle has a timing chain. The reason being is that a timing chain can last almost the entire life of the vehicle. You can probably get away with having a timing chain for up to 150,000 miles. A timing belt needs to be replaced way often than those 150,000 miles.
Is a GM 6.0 an interference engine?
Well here goes GM technicians tell me that the 6.0 liter in my silverado is a non interference motor. So after buying new timing set. New oil pump gaskets sets pulled oil pan to remove metal from the oil pump coming apart. Put it all together to find it ran like deal.
What is top dead center?
Definition of ‘top dead center’ Top dead center is the position of an engine’s piston when it is at the very top of its stroke. The piston has moved up towards the top dead center. The piston is said to be at top dead center when it has moved to a position where the cylinder volume is a minimum.
How does the timing chain work on a GM engine?
On most GM vehicles with V-8 or V-6 engines, a metal timing chain is used to connect the camshaft to the crankshaft. This causes the camshaft to move in synchronization with the crank, causing the camshaft to open and close the valves in the proper sequence and duration for the intake, power stroke and exhaust cycle.
How to set the base ignition timing on a 4.3L V-6?
Stop the engine. Set up the vehicle to adjust base timing. Clip the power cables of the timing light to the battery terminals and clip the inductive pick-up around the number one plug wire. The number one cylinder in the 4.3 V-6 is the front wire on the driver-side of the engine.
What’s the best way to remove a timing chain?
Put the bolt partially back in the bolt hole and use a harmonic balancer removal tool. The tool should not be a jaw type tool, but instead should apply all of the removal force to the center of the assembly. This protects the rubber ring in the harmonic balancer. Remove the timing chain cover.
Can a bad timing chain cause an engine to not start?
A timing chain that receives sudden damage or extreme wear due to overheating or lack of oil may break teeth off of the drive gears on the camshaft, or jump positions on the gears. This can result in a severe loss of power, very poor idle, and the camshaft and crank becoming so far out of synchronization that the engine will not start.