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Alfalfa · Alfa Arna Joined: 23 Mar 2007 Posts: 9 Location: Finland

I'm disassembling the heads but I can't find the camshaft timing marks. I place the cylinder 1 to TDC around end of compression stroke and the timing wide notch for the flywheel inductive sensor is at the sensor. The notches on the 2&4 bank camshaft beltwheels (two notches on the upper wheel and one in the lower don't align at all. Are there other marks or has the engine been built up wrong? It was runnig OK, so the timing can't have been entirely wrong.

16v campervan · Posted: Tue Apr 17, 2007 3:51 pm Post subject:

Hi there, it doesn't sound like you are on the compression stroke. On my engine the missing two teeth do not line up with the sensor when the engine is at TDC for no 1. The timing marks on the cam pulleys do, however line up. I use a whistle on the end of a tube fitted into the plug hole to quickly determine the compression stroke. You could also do it looking at the camshafts to see which valves are shut. hope this helps.

Alfalfa · Alfa Arna Joined: 23 Mar 2007 Posts: 9 Location: Finland

Hi, thanks for the reply. I wasn't on the TDC, the T-mark on the flywheel was very faint and I found it accidentally. I also found the workshop manual from www, which demystified the timing marks. I didn't realise that the small triangular notches were a second set of timing marks. Compared to the 8-valve engine, the added 20 some hp doesn't justify the added complexity. This is a nightmare to repair especially when the spares are so difficult to come by.