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I probably should have done these when I did the Engine Refresh Project… when I finished that project I found that there was a fair amount of tappet noise and was faced with the prospect of replacing the lifters (tappets) and camshaft.

I have been putting off replacing the camshaft as I know it is a big job. There is no easy way to replace the camshaft – you either need to disassemble the front of the car (radiator, grille, coolers etc) or raise the engine enough to be able to extract the camshaft. I figured it was a worthwhile exercise to replace the “easy” bits before embarking on the major job of the camshaft.

So… I ordered a few new/replacement parts, including:

• set of hydraulic lifters (16)
• set of pushrods (16)
• set of rockers (8+8)
• rocker shafts (2)
• valley gasket

All up, about $700 (Australian) for OEM replacement parts.

As I had recently replaced the following parts, I was able to reuse them:

• valley gasket end seals
• injector o-rings
• upper manifold gasket
• rocker cover gaskets
• rocker cover bolts
• coolant outlet pipe o-ring

Other useful stuff to have on hand:

• gasket goo -  used Permatex high temp gasket compound
• a selection of 6 and 12-point sockets (8mm – 15mm)
• tools to remove cooling fan… it really is worth the $50 to buy the LR tool in my opinion
• torque wrench
• cable ties

more to come…