This will make taking off the valve cover a little easier since the rubber hose and the aluminum hardline will be able to flex a little. The valves actually tighten as they wear. But after checking, intake and exhaust are loose. If you own a car, then you've already. That's how I found out about the strangeness of the exhaust side. Rotate the crankshaft another 180 degrees and the camshaft will turn 90 degrees again. Rotate crankshaft clockwise until No.
Torque the locknuts to 9-12 lb. Step 5 — Adjust intake valves Repeat Step 4 for each of the 16 valves. This article applies to the Honda Accord 1990-2002. Too lose can actually cause mechanical damage to the valve train Info: Adjust valves with the engine cold. Watch the crankshaft through the small hole and align the index mark on the crankshaft with the groove inside the small hole. Step 3 — Align the white line with the triangle center Spin the crankshaft bolt until you locate a white line on the crankshaft pulley. Repeat this procedure for the other intake valve.
Reinstall the Valve Cover Clean the gasket mating surface. On the 2001 Honda Civic, the intake valves should be set within the tolerances of. The feeler guage should be set to. You can also take out the spark plugs using a spark plug socket, long extention, and socket wrench to fascilitate turning of the engine by hand. Step 4 — Adjust exhaust side valves To adjust the Honda Civic valves, you will need a 0.
In most cases you'll notice the car is more peppy, the idle is smoother, and you'll pick up some mpg. Put the valve cover gasket into the valve cover and apply the liquid gasket at the sharp corners where the distributor and cam pass through the valve cover. A valve adjustment is a fairly straightforward. Double Check Go through the cycle a few times until you are comfortable that each valve is consistent. It should be locked in place.
This article applies to the Honda Accord 1990-2002. You will then have access to the crank shaft via a hole in the wheel well. When adjusting valve clearances, all the valves in the train should be adjusted. When one set of lifters is in the right position as described above , loosen the valve adjuster lock nut and loosen the adjusting screw. Torque the 10-mm bolts to 6-9 lb. Never forget that dirt is death to an engine.
The following is only a brief outline. Warning: Too tight will burn your valves. First you set the engine to top dead center by rotating the crankshaft pulley so the white marker dot is lined up with the timing mark on the engine. Here are the procedures for adjusting the valve clearances. Recheck after tightening with the shim. The spark plug gap can be found there as well.
Then, spin in a clockwise motion at 180 degrees, so that the valves are at top dead center of the compression stroke. Make sure that you understand all the requirements for finding the timing marks on the crankshaft and camshaft, determining distributor rotor position, and not mixing up the plug wires. This way you felt and listened for the tapping to stop when it was right- not recommended for your engine. Rotate crankshaft counter clockwise until the intake valves go down and start to rise. This is called valve lash. Cylinder 1 Valve Clearance Check the valve clearance on cylinder 1 closest to crank pulley.
Then, jerk the valve cover a bit to remove it. Grasp the clip on the hose that attaches from the filter box to the valve cover and push it back towards the filter box. The piston sequence runs 1-2-3-4 from the driver side where the belts are toward the passenger side. Well it goes by the firing order. Adjustments will change as the engine goes from cold to operating temperature. The valve adjustment procedure is too detailed to describe here. It needs to be tight enough to create just a small amount of drag on the feeler gauge.
First torque them by hand and then with the torque wrench according to the spec. Note: What I did was, I set the intake side to the lowest gap by the factory 0. But how come my car didn't? And if all becomes loose over time, then I need to re-adjust my exhaust. Adjust them in the same way you did with the exhaust valves. You should leave the car in a garage overnight to let the engine cool down completely. They were loose just as the intake.