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[mutleyman]

help!! which locking tool  is best to use to lock crankshaft up. i got hold of the laser 3302 set but when i connected it up crankshaft timing mark and mark on oil sump housing they were not in line with each other.if i moved crank so that tool locked the marks were about 2 to 3 mm out.can you shim out the gap or can you put the belt on and tension it all up without using the locking tool. was looking  at the sealey vs130 but a bit pricey at £200

[mrgreen]

well never done a belt on these but i can imagine if you're careful you shouldn't really need a locking tool.... i may be fully shot down for this but  i usually make marks where everything lies and line it all up on that afterwards but backyard mechanics may not apply here!!!

[tidla]

thats what happened to last to suggest such a thing

[Broomies Mate]

well never done a belt on these but i can imagine if you're careful you shouldn't really need a locking tool.... i may be fully shot down for this but  i usually make marks where everything lies and line it all up on that afterwards but backyard mechanics may not apply here!!!

Unfortunately, it doesnt work.

The marks on the car are erroneous at best.

The locking kit should give you a better guide.  Buy the DVD from the OOF shop - It has all you need to do a belt change (provided you have a decent locking kit).

[dbug]

Do not attempt cambelt change on a V6 without locking kit.  Other members have found the Laser kit to be inaccurate.  Best to sell it on on Ebay and look for a decent kit.

[Darth Loo-knee]

I have read on here that the Lazer Locking Kit doesnt fit properly... not sure where it doesn't fit properly though as I have a Pickervant one.
Usually lock it to the Crank, turn the crank clockwise until the slide locks onto the water pump, job done Crank is locked in position
I suppose the marks your talking about could be slightly out like the ones at the top near the cams on the backing plate

Please don't try and do the timing without using the locking kit, no matter what people tell you

[Welung666]

Mutley, you are more than welcome to come up here and I'll help you with my kit

[venom]

I've just bought this set http://www.ldemporium.co.uk/engine-timing-tool-kit-for-v6-gmsaab-p-1626.html
but haven't used it yet but Welung666 got the same set on Sat and has used it 3 times already so he must think its OK 

[TheBoy]

well never done a belt on these but i can imagine if you're careful you shouldn't really need a locking tool.... i may be fully shot down for this but  i usually make marks where everything lies and line it all up on that afterwards but backyard mechanics may not apply here!!!

Sadly not. You can get away with just a locking wedge on many twin cam engines, and nothing on many single cam engines, but the GM quad cam V6 definately needs a locking/timing kit. You cannot get the cam timing correct without, as it has infinate adjustment on it.