Can you hone your cylinder scratches?
Registered. All you can do at home is hone the cylinder walls to seat the new rings. To remove a groove from the cylinder wall will require that the block be bored to the next piston size by a machine shop.
What does a scored cylinder mean?
A scored cylinder in anything will result in what the seal is trying to keep sealed to leak by. It can be compression, oil, hydraulic fluid, water, steam, etc, etc. It can be caused by several things: metal on metal wear, contaminates in the oil/fluid, poor clearances, over heating that damaged the metal, etc, etc.
How much cylinder wall damage is OK?
3.5 -4 thou is normal with forged pistons. Up to 5 thou can be run be you would expect some piston slap from cold.
When should you hone a cylinder?
More often than not, you will need to hone your cylinder when replacing the piston rings. That is because honing creates small crosshatches in the surface of the cylinder, to allow the wall of the component to retain oil and provide lubrication for the piston ring.
What kind of engine does a Mercedes Benz have?
That is typical in Mercedes-Benz engines such as M112 M113 M272 M273 found on E, C, S, CL, CLK, ML, GL, G, R, SLK Class. For example, if you have an E320 (M112 engine) or E350 (M272) your car has six cylinders but requires 12 spark plugs.
How many spark plugs does a Mercedes Benz have?
Rember that Mercedes-Benz V6 and V8 engines utilize two spark plugs per cylinder. That is typical in Mercedes-Benz engines such as M112 M113 M272 M273 found on E, C, S, CL, CLK, ML, GL, G, R, SLK Class. For example, if you have an E320 (M112 engine) or E350 (M272) your car has six cylinders but requires 12 spark plugs.
How long does it take to seat cylinder wall glazing?
It’s likely the rings will be seated even before you get to the WOT runs. This approach is for a typical street engine using moly-faced rings, which would be the majority. Race engines with nitride steel rings use a different, courser finish for honing and may take slightly longer to seat, but the process won’t take days or even hours.
How long should engine be idle for cylinder wall glazing?
The break-in process is extremely important to make sure the rings fully seat to the cylinder wall and that a portion of those peaks remain. Jones said the engine should not be idled for more than 10 or 15 minutes and even during this time the engine speed should be varied. “I hate run-in stands, Jones said.
Why are there two cylinders on my Mercedes V12?
There are two of them on the V12. On the earlier engine V12’s the problems were allegedly down to the active cylinder shutdown, which closed off the left bank of cylinders to save fuel under light throttle loads. This was de-activated by dealers with Star diagnostics.
Where is the cylinder head on a Mercedes?
The Mercedes cylinder head in your vehicle rests on the engine block just above the cylinders/piston, where it effectively closes the tops of the cylinders so as to be able to form a chamber where engine combustion takes place.
When did the Mercedes Benz V12 come out?
So, sophisticated hybrid technology will lead the power race at Mercedes-Benz but will MB’s elite clients truly feel far enough above the motoring mortals without the silent whoosh of a V12 under foot? The 48 valve 6 liter V12 debuted in 1993 in the US as was available in both the R129 SLs and the W140 series sedans.
Which is better the Mercedes V8 or the V12?
At the same time, the V8 is much more economical because it can be mated with the new 9-speed transmission while the V12 is coupled with the old 7-speed transmission which is the only gearbox in the Mercedes set that supports the enormous torque of 1,000 Nm. In addition, the Mercedes-AMG S 63 is faster because it has a better power to weight ratio.