The 4.3 Chevy is a non-interference engine. This means the valves cannot hit the piston unless either the connecting rod or valve retainers break. This is highly unlikely if the chain is only broken due weakness or fatigue.
NO not that engine.
YES!!! The pistons WILL contact the valves and destroy the engine if the timing is not correct.
As I understand it, a freewheeling engine, such as the 2.3 liter Ford is an overhead cam engine that will not crash the valves if the timing belt breaks. A 350 Chevy uses a timing chain since the cam is in the block. If the timing chain breaks on that, you're out of luck.
yes definitely, bent 4 exhaust valves on my 98, and she was locked up
what is the ignition timing for a 1988 Chevy 454 engine
Assuming you're talking about the TDC (dohc) motor. Unless you are Very familier with this engine I would'nt advise you to try setting it on your own. The 3.4L dohc or TDC engine requires very precise cam timming. There is only a .010 inch valve clearance between the valves and piston. In most cases, when the timing belt breaks on these engines the piston strikes the valves. These engines have sodium filled valves and are easily damaged. You should consider having a compression test done before even attempting to install a new timing belt. Which also should be installed by a qualified technition. The timing marks are "painted" on @ the factory and probably are no loner visible.
Yes it is. Mine bent 6 valves. When the upper timing chain guide broke and chewed up the rest of the guides and gears. If the valves were bent than the engine is an INTERFERENCE ENGINE. A non interference engine has clearance between the valves and the cylinder head so if the timing belt lets go and the valves are in the intake or exhaust position they would clear the cylinder heads causing no damage to either. So the answer to your question is NO the engine is not an non interference engine
If it is a gas engine it has a chain. If it is a diesel, it has a timing belt, and is an interference engine. The belt must be changed every 60,000 miles. It is highly unlikely that the chain will break without prior symptoms, alerting you to the fact that it is worn out. If it did happen to break, it will do no damage to the internal engine as this is not an interference engine. No, but you will be stranded. Chains last a very long time. If you are hearing chain noise or having trouble keeping the engine in time, the chain needs replacing.
how do you set the timing for a 1997 Chevy 350 5.7 engine
Valves will clatter if the engine is overheating.Valves will clatter if the engine is overheating.
NEVER!... there is no timing BELT on a Chevy V8 engine for Avalanche. it has a timing Chain and should not need replacement unless damaged or abused. A good certified shop mechanic can diagnose a timing chain problem. There is a single serpentine belt for the front engine accessories - (see your manual for normal replacement cycle). easy to change yourself. the belt is not cheap! search youtube for videos to show how.
of course the valves get messed up in a timing belt failure. a simple way to fix it though would be to replace the timing belt and have one of your friends start the car. then proceed to try and keep the belt in place with your hand, in attempt to straighten the valves. This previous answer just shows the lack of knowledge allowed to answer questions on the internet. FYI, There are interference engines and clearance or non-interference engine. The former have longer valves that can hit the pistons when the timing belt or chain breaks or gets out of timing. In a Toyota, only the intake valves are usually damaged. In a BMW, the pistons are usually damaged requiring a near total engine rebuild. In clearance or non-interference engines, the valves are shorter and do not hit the pistons when the timing belt or chain breaks or gets out of time. In this case, the car stalls and needs to be towed to a mechanic for a new timing belt. As an unofficial rule of thumb, I look at the factory's recommended maintenance schedule. If it recommends changing the timing belt at 50 or 60,0000 miles, it is likely an interference engine. If the change interval is 100,000 miles or more, it is likely a clearance or non-interference engine. Also, if the timing belt is not well protected, like with a flimsy plastic cover, it is usually a non-interference/clearance engine. Timing chains can break or jump sprocket teeth and damage the timing chain cover. This can be due to a chain guide or tensioner failure. In an attempt to reduce vehicle weights or some such weak reason, many engines that had lifetime double link chains now have single link chains subject to failure. Yea, Toyota...
there is no timing belt. it is a timing chain and doesn't need replacement unless it is damaged.
how do you adjust the timing on a 1977 350 Chevy engine k-10
The timing on a 2.8 V6 Chevy S10 needs to be set any time the valves, heads, or crankshaft are worked on. The gears of the timing chain and timing sprocket need to be aligned to set initial timing.
Timing for 1990 1500 with 4.3
The 1.8L engine uses a timing belt, while the 1.4L engine uses a timing chain.
I suffered a timing belt failure in a 3 cylinder 91 Chevy sprint, doing about 120 kilometers per hour(about 70 mph), with no damage to the engine. The engine end bearing seals were starting to leak, spraying oil on the belt, causing very premature failure... after a replaced belt, and seals, I've put on another 15,000 kilometers, and the car still goes :) such a failure is bound to damage the engine.or something important.
According to the Gates Belt application chart this engine does not use a belt but instead uses a chain that normally lasts the life of the engine.
The timing mark on a Chevy Inline 6 engine is located on the flywheel. It is a steel ball. The timing needs to?æbe located at 4 degrees BTDC.
The 1993 Chevy Lumina 3.1 liter engine timing belt can be found on the front of the engine. You will need to remove the front engine cover in order to access the timing belt.
it did in mine it bent 2 valves and i end it up replacing the head on it
Timing chain may have broke or jumped and the pistons are hitting open valves.
It does not have a timing belt, That engine has a timing chain and gears and they normally last the life of the engine.