Do you have to remove the cylinder head on an overhead camshaft?

Do you have to remove the cylinder head on an overhead camshaft?

The Video Course teaches you everything about modern cars. On the leyland O series overhead camshaft, The camshaft bearing caps are part of the cam cover. On some overhead camshaft (OHC) engines . the camshaft must be removed to take off the cylinder head (See How to remove a cylinder head ).

How many valves does a double overhead camshaft engine have?

This arrangement was used to provide four valves per cylinder while minimising the valvetrain mass and minimising the overall engine size. A double overhead camshaft (DOHC or “twin-cam”) engine has two camshafts per bank of the cylinder head, one for the intake valves and the other for the exhaust valves.

Can a camshaft be removed from an O series engine?

Remove the camshaft of an O series engine only if you suspect that it is worn and wish to inspect it (you need not remove it to take off the cylinder head) To reach the camshaft, remove the timing-belt cover, and disconnect the fuel pipe from the pump and the vacuum-advance pipe from the distributor cap .

How do you remove a camshaft from a Ford engine?

On Ford type engines, the camshaft bearing support pillars are built into the cylinder head. Undo the camshaft retaining plate from the rear-bearing pillar and withdraw the camshaft rearwards. Ue a screwdriver if needed to undo the spring clip holding the cam finger to its pivot pin.

How do you remove camshaft cap on Nissan QR25DE?

Carefully pull the front bearing cap away from the head and front cover and scrap off the old seal- ant. Be certain that no old sealant falls into the engine. Evenly remove the rest of the bearing caps 1/2 turn of each bolt at a time until all are free of tension.

Where are the bearing caps on a Leyland camshaft?

On the leyland O series overhead camshaft, The camshaft bearing caps are part of the cam cover. Remove the camshaft of an O series engine only if you suspect that it is worn and wish to inspect it (you need not remove it to take off the cylinder head)

How do you remove a camshaft on a Vauxhall?

A special tool can be used. Hold the camshaft with an open-ended spanner behind the sixth cam and undo the sprocket. Undo the camshaft retaining plate from the rear-bearing pillar and withdraw the camshaft rearwards. On vauxhall and VW overhead-camshaft types, the camshaft is mounted on a separate carrier above the cylinder head.