My 1980 oldsmobile cutless Brougham

30

Asked by Apr 17, 2017 at 08:24 PM about the 1980 Oldsmobile Cutlass Supreme

Question type: Maintenance & Repair

I have recently bought a 1980 Cutlass
Brougham and when I bought it the guy told
me that he put a new timing chain on it but
the timing was off but the body of the car
and interior of the car is in good shape but
should I try to fix the timing or put another
motor in it if so what motor and
transmission, need help on this project

5 Answers

2,055

I would call the gent that sold you the car and ask for the mechanic that did all the past work. Drive over to that shop and ask for a print out of the maintenance history. Usually u will get a better and more honest answer from the mechanic on all the things necessary to fix/repair the vehicle that way. As a Back up plan .... is to take it to a trusted local mechanic and for $xx give it a good run through of what needs to be done

2 of 2 people found this helpful.
30

Thanks

1 of 1 people found this helpful.
27,525

SHE TOOK IT AS IS .... DONT BUY ANYTHING....ANYWAY... THE TIMING CHAIN GEARS ARE EASY TO ADJUST , ..AFTER YOU TAKE THE WATER PUMP OFF..I..... HENCE.. >DEGREE KITS

1 of 1 people found this helpful.
30

He also said that it sound like its trying to turn over but won't start

1 of 1 people found this helpful.
71,005

First, do a compression test and see if you have good compression on all cylinders. If they all test very low or zero it's jumped timing. Once you get the timing cover off, as Kelly said, inspect the timing chain for looseness. With all the spark plugs removed turn the crankshaft until the timing mark (small dimple on the front of the sprocket) is at the 12 o'clock position. The camshaft sprocket timing mark will be at either 12 o'clock or 6 o'clock. If the camshaft mark is at 12 o'clock turn the crankshaft again until it's mark is at 12 o'clock again. The camshaft mark should now be at 6 o'clock. If it's not perfectly lined up with the crankshaft dimple your valve timing is off and will need to be reset. If the chain is loose and/or the camshaft sprocket is damaged or worn you'll have to replace the 3 piece timing chain set. Don't touch anything else until you get the new timing set. Once you have the new timing set, remove the camshaft sprocket and chain. Install the new camshaft sprocket without the chain and turn the sprocket so it lines up perfectly at 6 o'clock with the crankshaft sprocket that's at 12 o'clock. Once this is done remove the crankshaft sprocket and install the new chain with the crankshaft sprocket. Insert the woodruff key on the crankshaft sprocket and tighten the bolts for the camshaft sprocket. Now rotate the engine twice by hand to insure that you have the timing marks lined up perfectly. HTH. -Jim

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