Question about 2004 Oldsmobile Alero
I already posted this but I have gotten more infomation the timing chain came off the crank on this vehicle if all the parts spun with the chain off would it off set everything? and what would we need to do to get this in the right spot? also it is turning over, it is getting fuel cam shaft and crank shaft lined up to marks. it sounds like things spun off there settings inside any suggestions?
It seems the timming chain gave away!...you may have probabely been hearing it kinda grind before it snaped!
I am just guiding you the basics of going about it as am not fully conversant with 2001 olmobile alero, as we dont have Amercan Cars in our country, but the engines works in the same principles.
You have to identify as to how to get about to the timming chain inside the engine.
Do you have its workshop manual?
Well simply, all you have to do is to remove the crankshaft pulley, the water pump, the alternator needs to be losen to get the belt/belts out of the way and the alternator can be swang aside.
You will have to remove the top cover or the valve cover on the cylinder head, there you will thn come to the rokers and the tappets...check them for any damage to the valves as when the timming-chain snaped , the pistons in any one or two cylnders mayhve hit the valves thus bending them.
If all is well , all you have to do is remove the broken timming chain and its adjuster and guide...i.e. if the chain hasn't fallen into the sump.
If it has thn theres an additional job of pulling out the sump.
On replacing the timming chain its wise to check the sprokets or rather the timming geras both on the crankshaft and the camshaft for any wear!
its better you get an Overhaul gasket set too...just incase.
If the valves are damaged then you will have to bring down the cylinder head and replace the damaged valves and its guides and reaching to there you may as well do the top overhauls i.e. valve seat exming and valve lapping too.
Posted on Jan 31, 2009
I'am a little confused here. are you saying it jumped time and you took it apart and put new timmimg gear and chain in? and don't know if you got marks lined up right, between cam gear and crank gear?
Posted on Jan 31, 2009
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Posted on Jan 02, 2017
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