What to do when you need to replace timing chain?
A reverse rotation of the engine is not permitted, test adjustment values will be distorted. Necessary preliminary tasks: Remove cylinder head cover. Remove all spark plugs. Remove belt tensioner. Remove friction gear. Remove vibration damper. Remove chain tensioner. Remove VANOS unit. Remove exhaust camshaft sprocket. Note:
How to replace timing chain in newtis sprocket?
Fit special tool 11 9 280 on hub for vibration absorber with screws. Release central bolt with tool (1) in direction of arrow. Tightening torque: 11 21 1AZ. Remove oil dipstick (1). Release bearing journals (1 and 2) of chain module. Replace O-rings. Tightening torque: 11 11 9AZ. Remove hub (1) towards front. Sprocket (1) of timing chain.
How do you change the timing chain on a Renault Scenic?
Ensure engine at TDC on No.1 cylinder. Turn crankshaft clockwise until crankshaft keyway aligned with hole [1] & [2] . Fit crankshaft timing pin [3] . Turn crankshaft anti-clockwise until it stops against timing pin. Ensure crankshaft keyway at 12 o’clock position [4] . Ensure groove in exhaust camshaft is horizontal [5] .
Is the M111 timing chain bulletproof or not?
(BIG GAINS!!!) during a check of my timing chain (I never checked it before) using the method described in WIS, I always thought that the M111 duplex chain is bulletproof… but it is not! I noticed mine has stretched a lot (the previous owner didn’t know engines needed regular maintenance)
How to replace a timing chain guide rail?
Remove the 10mm bolts at the top of the timing chain guide rails (both front and rear) and replace the guides with new ones. You get to the 10mm bolts through the 2 large, round ports on the side of the housing. There is a pin at the bottom to hold the lower side of each guide rail… be sure the new rail sits down on the pin. Replace the bolts.
How to replace a chain tensioner on a timing system?
You get to the 10mm bolts through the 2 large, round ports on the side of the housing. There is a pin at the bottom to hold the lower side of each guide rail… be sure the new rail sits down on the pin. Replace the bolts. Replace the timing chain tensioner that you removed in step 15.
How to replace a chain tensioner chain rail?
Remove the 10mm bolts at the top of the timing chain guide rails (both front and rear) and replace the guides with new ones. You get to the 10mm bolts through the 2 large, round ports on the side of the housing. There is a pin at the bottom to hold the lower side of each guide rail… be sure the new rail sits down on the pin.
What’s the best way to hang a timing chain?
Remove the bolt holding the timing chain gear to the cam and then allow your helper to go about their lives for a bit (will need them for reassembly). Hang the timing chain from the bonnet by a bungee cord, so it is always held upwards (It shouldn’t be able to slip off of the lower gear, but I’m not taking that chance).