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How does the camshaft work?
A camshaft opens/closes the intake/exhaust valves at predetermined points of the piston travel. The cam is driven by the crankshaft, the rotating cam lobes operates thru lifters/followers that ride against the lobes.
What are the signs of a damaged cam shaft?
the engine usually misfires at low rpm and the lifters clatter. Chevy small blocks were famous for this usually on cyl 5 and 7
My car won't start and the following codes are on P0455 p0452 and p0340?
P0455 and P0452 have to do with fuel vapor leaks, will not cause a starting problem. P0340 is a cam sensor code. You need to diagnose for a failed cam sensor.
If a 1993 Audi 90CS ran out of oil and now the car won't start but it turns over like it is going to start what could be causing this?
This MAY be caused by the fact the cam shaft was binding from no oil and put added stress on the timing belt causing it to break. The camshaft will be first to starve from a LOW OIL or NO OIL state. Hope this was helpful.
Can you replace a dual overhead cam engine in a 1999 Saturn SL2 with a single overhead cam engine made for the same car?
Yes you can but you will have to swap out the wiring harness and the on board computer as well. Otherwise it just won`t start.
How do you adjust lifters on a overhead cam?
they have no lifters
Can you use a 350 cam in a 305 engine with its original lifters?
Yes, but you must keep the lifters with the cam they were originally used with.
Does the 1988 Chevrolet 5.7 have roller lifters?
No it does not. Chevy did not start using a roller cam until late 1995.
1997 Chevy 305 have hydrilc lifters?
YES it does and it is a roller cam and hydraulic lifters.
What type of lifters are in 1998 vortex 350?
That engine has a ROLLER CAM AND ROLLER LIFTERS
Why do the engine lifters in a 1994 Toyota corolla have to be placed back in the same location in the cylinder head.?
Because each lifter is worn differently on each cam lobe. No lifter are cam lobe is wore the same. If you don't put the lifters back in the same spot that they were installed in when they were NEW then it will cause the cam lobes and lifters to wear out like FAST. If you are installing new lifters on an old camshaft then it does not matter were they go. THEY MUST GO BACK IN THE SAME PLACE.
Do you need new hydraulic roller lifters if you have a new cam?
Officially you should change lifters anytime you change the cam. In real world use; unless the roller lifters have obvious, visual damage, missing pins, wear on surface of the roller, then it is not normally going to be a problem. In the case of flat lifters, you should change them. The cam of flat tappet (regular) lifters, have a slight bevel to the surface of the cam. When the cam and lifter are in operation - this causes the lifters to rotate in their bore. After/during break-in, there is some wear on both surfaces and they end up with a pattern which is unique for each bore and and each cam/lifter combination. If you change either the order of the lifters on the original cam they meshed with, or install a new cam or new lifters - there is a very real chance of accelerated wear leading to failure of cam and lifter. What is worse - the resulting debris can follow the oil and ruin bearing surfaces throughout the engine. Your money, your choice.
Why does your 350 Chevy spray gas out the top of the carb after changing cam and lifters and wont start?
because you don't know what you are doing
What does it mean when one of my lifters is barely moving in my 1977 Chevy pickup 350?
It means the lobe is worn off of the CAM SHAFT. Need to replace cam and lifters.
Does a 1975 350 engine have mechanical flat tappet lifters?
typically no it should be hydraulic lifters unless someone has changed the cam and lifters in the engine.
Put new cam and lifters now the truck turn over but not start?
First, run a compression test. That will tell you if you have the cam in right. If the compression is up, check the distributor. It's quite common for a distributor to be put in "180 degrees out of phase". The distributor rotor should point to the #1 piston not JUST when it's at #1TDC, but when the piston is at the top of the compression stroke of #1TDC. Note that in a 4 cycle engine the crankshaft turns twice for every revolution of the distributor.
Do you bleed hydraulic lifters on a ford 302?
No reason to. They will bleed themselves within seconds when you start the engine.
