The crank isn't in the way, you pull the cap nuts at bdc then rotate to tdc and push the studs up through the cap rotate back to bdc and keep pushing up. The problem is the mess and drips. Working on your back is misery but if you are on a lift, this is just a modified head r and r. The fact that it is cylinder five is helpful as the oil pump and distributor are not in the surgical field. With this method you can diagnose and possibly resolve it for the least amount of labor and cost.
