WebSep 15, 2014 · Easiest thing to try first is to pressure up the cylinder and hit the exhaust valve with a brass punch or brass hammer. If it's just a small piece of carbon, the air pressure blows it out. If that doesn't work then you have to relap the valve. N300RE offline Posts: 136 Joined: Wed Nov 28, 2012 3:20 am Location: Wasilla WebApr 10, 2013 · The solution to removing blueing on chrome (as well as blueing on stainless steel) is to polish the metal with a slightly abrasive chemical that will scrape off the oxidized layer. Provided you use a good …
What Black, Blue, or White Smoke from a Car’s Exhaust Means
Webvalve. Red and orange deposits are harmless. Don’t be alarmed by the bright color, or deposits around the edges. The symmetrical pattern shows this valve is just fine. Crescent-shape, discolored burn pattern developing at upper edge. Green crescent progresses … WebMay 10, 2009 · Cylinder-leakage testing really proves itself when you pinpoint the leak source: • Air escaping out the tailpipe indicates a leaky exhaust valve. • Air escaping into the intake manifold tells you there's a leaky intake valve. • Air escaping into the radiator indicates a compression leak into the cooling system through a bad head gasket or ... cisco tftp dhcp option
Differentiate between intake and exhaust valve springs?
Webvolumetric efficiency. An engine's vacuum is being tested with a gauge. When the throttle is snapped wide open momentarily, the gauge drops to zero and then reaches a high of 20 inches. Technician A says this could indicate worn piston rings. Technician B says the reading should have reached about 27 inches. WebExhaust smoke from vehicles that use gasoline as a fuel source can appear in multiple colors. The most common colors for this smoke are black, white, or a grey/blue color. Diesel, because it has a higher oil base, can generally be black and sooty, especially when … WebBlue/Gray Exhaust Smoke. It is not considered normal for there to be blue/gray exhaust smoke coming from your vehicle. This type of exhaust usually indicates that you have an oil leak and that the engine is burning oil. There are multiple issues that can cause an oil leak, such as worn cylinder walls, leaking valve seals, or damaged piston rings. cisco tftp slow