Question about Cars & Trucks
Cam gear has 2 locators on it e n I
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Posted on Jan 02, 2017
whats a safari GMC?? just shows you how much i know ---- never seen one but if it fits then your ok ,sorry but very rare machines here in spain ,now ask me about a renault or a peugeot
Posted on Jul 15, 2010
SOURCE: extreme vibration in front end
Check stabilizer bar and bushings as well as the stabilizer links. Has alignment been checked after front end work you did? (Caster, Camber, Towin, Towout ?)
Posted on Nov 29, 2010
SOURCE: rear head cam marks
Hi There, Didn't see your name so it's difficult to be personal. Right mister Pimpernel, this is what we need to do. the timing belt synchronizes the cam shafts with the crank shaft. These must all run in synchronization so that the valves can open without hitting the pistons as the come up to Top Dead Center. This is what we need to do. Remove the timing belt and set the Crankshaft at TDC. You should then see a mark on the block (The front oil seal housing) which aligns with the mark on the timing gear. Make sure they are perfectly aligned! Next remove the camshaft caps and identify the alignment marks on both cams. Before proceeding further check to see if there is a spring loaded section on the camshafts If there is place the cams into a vise protecting them with strips cut from a rubber mat or something similar. Rotate the tension gear and lock it in position with a ten millimeter bolt. Look for the match marks on both cams and then align them so that when fitted they keep alignment. (At Top Dead Center the cam lobes of number one piston should be pointing away from the valve underneath. The stroke is at the end of compression and about to go to ignition. All valves for number one will be closed. The firing order is 1342, meaning that as number one is beginning the ignition stroke, number four will be on overlap, with the exhaust valves almost closed and the intake valves already beginning to open. The overlap is to make the expulsion of the exhaust gas more efficient and to help the induction of the explosive mixture of fuel and air. (Did you know the optimum mixture is fourteen and a half parts of air to one part of fuel?) There's a piece of useless information for you, but the rest isn't! Let me know how you get on. Regards John
Posted on Feb 12, 2012
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