Not the answer to your question but when I replaced the intake manifold it took me twice as long as dealer timings and this was a 'relatively simple' task that required few other bits to be removed. Elsewhere on the site I remembered this from Seabrook 132:
Total cost for the work was £872.61. That includes 6.5 hours labour coming in at £468 and then the rest (£404.61) in parts which I will list:
06K 109 158 AD - Timing Chain - £61.08 + VAT
06K 109 467 K - Chain Tensioner - £40.09 + VAT
06H 109 469 AP - Rail (Chain Guide) - £7.75 + VAT
06H 109 509 Q - Rail (Chain Guide) - £12.24 + VAT
06H 109 469 T - Rail (Chain Guide) - £7.09 + VAT
06J 115 403 Q - Oil Filter - £13.24 + VAT
06H 103 483 D - Gasket - £11.58 + VAT
06L 103 085 B - Seal - £6.17 + VAT
D 174 003 M2 - Timing Cover Sealant - £32.90 + VAT
D 154 103 A1 - Sealant - £63.18 + VAT
06H 103 483 C - Gasket - £20.09 + VAT
06H 103 121 J - Gasket - £6.66 + VAT
WHT 007 212 B - Seal Ring - £3.02 + VAT
06H 109 257 C - Camshaft Control Valve - £40.89 + VAT
1K0 201 160 BG - Breather Pipe - £11.18 + VAT
Here is the link:
http://www.golfgtiforum.co.uk/index.php?topic=262793.600