When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
2012 ML350, 2010 Camaro 2SS, 1998 BMW M3 vert, 1985 BMW 5 Series with Procharged SBC
Cam adjuster alignment
I made a more detailed post on timing and reassembling my M276.9 earlier today but I have a more specific question so I'm making a new thread.
At 53 deg after TDC ignition, all four reluctor wheels line up perfectly in their respective CPS holes
On Bank 1, at 40 deg after TDC overlap, the laser mark (highlighted in yellow in the pic) on the INTAKE cam adjuster is exactly one tooth below the left hand bolt hole for the chain tensioner. The laser mark for the EXHAUST cam adjuster is exactly one tooth above it.
The WIS picture I have is vague. It's not a straight ahead picture so precisely where the laser marks should point is not clear.
I'm certain the reluctor wheel on the INTAKE cam is in the correct position since I compared it to a known good cam, so the INTAKE laser mark should be in the correct position.
Since the EXHAUST cam does not have laser marks on the reluctor wheel or the cam hub, I can't be sure the reluctor wheel hasn't moved or that the laser mark on the EXHAUST cam adjuster is pointing in the correct position.
Is it?
Advice greatly appreciated.
Thanks...Mariner1
Last edited by Mariner1; May 23, 2026 at 03:08 PM.
Mercedes SLR McLaren 722 S Is Extremely Rare Example Modified by McLaren
Slideshow: A one-of-one U.S.-spec Mercedes-Benz SLR McLaren Roadster became even rarer after a factory-backed transformation at McLaren's headquarters.
