engine - What is a head? - Motor Vehicle Maintenance & Repair …
0. "Head" in general refers to an end or closure of a pressure containing part ,such as an engine cylinder head, heads of a pressure vessel , heads of a barrel, etc. Nothing specifically to do with gaskets. And a second use of "head" for pressure , as a "head of steam".
What should always be replaced when rebuilding an engine?
Nov 22, 2016 · Assuming that the goal is a fully functional engine, not a short or long block, I'd add renewing the fuel delivery system – rebuild (or at least test) the injection pump and injectors (for a diesel), new or rebuilt injectors for gasoline engine, and a new or rebuilt carburetor if you've got a classic. Ditto for the turbocharger if you have one.
How to clean cylinder head and engine block contact surface …
How should I clean my cylinder head and engine block contact surfaces before a head gasket change? There is residue paint from the old gasket on both the head and block side. Should I do it carefully with a razor blade or sand paper or perhaps use something non-abrasive like microfiber cloth with Brakleen?
How to test if head gaskets are blown? - Motor Vehicle …
Jun 2, 2015 · Visual Inspection: coolant leaking into a cylinder will power wash the carbon off the cylinder head which can be seen and evaluated with an endoscope through a spark plug port as demonstrated here. The crankshaft may need to be rotated to line up the cylinder head to the proper focal length of the camera to put the surfaces of interest into focus.
Head Bolt Sequence - 2004 Chevy 4.3L V6 S10
Dec 26, 2013 · I am trying to find the head bolt sequence for a 2004 Chevy 4.3L V6 S10 truck. I have managed to find the torque specs but the site I found them on does not list the order they should be removed or
engine - What exactly is a "burnt valve" and what causes it?
Mar 19, 2016 · Cylinder Misfire, if your head gasket is good and still cylinders misfire then there is a high chance that your valves might be burned since it causes compression loss. Slight power loss, depends on the vehicle whether it will be noticeavle or not. Smoke in the exhaust. Causes: Engine overheating due to insufficient cooling.
Small amunt of oil leaking from between cylinder head and engine …
Sep 5, 2016 · Over about 1,000 miles the engine develops small amount of oil present from the seal between the cylinder head and engine block. AFAIK it indicates head gasket failing. The car has been driven for about 5,000 miles, to my knowledge, with this condition. Does it necessarily indicate a head gasket is failing?
engine - Oil in my radiator, but no water in my oil - Motor Vehicle ...
Nov 21, 2016 · This engine is a single in block cam engine so there should be no high pressure oil going to the heads across the head gasket. If the head gasket was blown you would get the classic water in oil and not oil in water. The radiator on these are a single unit containing the engine cooler and a transmission cooler, if you have an automatic ...
cooling system - How should I flush out a head gasket sealer?
Nov 22, 2018 · Don’t pay for the headgasket repair unless you plan to have the block sent to a machine shop for proper cleaning. I've seen mechanics cheat people knowing full well that the engine will still overheat after the $1200 repair, only to …
engine - what is difference between DOHC and SOHC? - Motor …
Dec 24, 2015 · SOHC - Single Over Head Cam; DOHC - Double Over Head Cam; A cam refers to a "cam shaft" or the thing which goes bump in the night. The cam has a "bump" or "hump" in it which actuates the valves which allows air into and exhaust out of the cylinder of the engine at the correct time so the engine will run correctly.