1994 Ranger 3.0 motor won't rotate - Ranger-Forums - The Ultimate Ford Ranger Resource


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Old 11-27-2010
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1994 Ranger 3.0 motor won't rotate

Have a 3.0 engine in a 1994 regular cab Ranger. G/F had it running in back yard, said it was running fine when she cut engine off. Went to start it next day and nothing, no turning over, checked battery...good. Finally diagnosed by pulling plugs, and turning crank over manually that engine would rotate to a certain point, then stop, reversed direction and it would again stop at a certain point. I'm thinking a valve dropped, or timing chain came loose. Going to pull valve covers this weekend and visually check valve train. Figured it would be least time consuming check, and if all looks good rotate crank and see if valves move meaning timing chain is still attached to cam. Are there any other possibilities it could be and has anyone else had a similar problem? If so what was causing it other than what I presume to have happened? Thanks for any feedback.
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Old 11-27-2010
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does it stop like it hitting something when you turn by hand or you can no longer turn it by hand due to compression?
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Old 11-27-2010
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Pull all the spark plugs then try to turn the engine over if it still stops the piston is hitting somthing. Let us know what you find and good luck!
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Old 11-27-2010
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Quote:
Originally Posted by Taz9961 View Post
Have a 3.0 engine in a 1994 regular cab Ranger. G/F had it running in back yard, said it was running fine when she cut engine off. Went to start it next day and nothing, no turning over, checked battery...good. Finally diagnosed by pulling plugs, and turning crank over manually that engine would rotate to a certain point, then stop, reversed direction and it would again stop at a certain point. I'm thinking a valve dropped, or timing chain came loose. Going to pull valve covers this weekend and visually check valve train. Figured it would be least time consuming check, and if all looks good rotate crank and see if valves move meaning timing chain is still attached to cam. Are there any other possibilities it could be and has anyone else had a similar problem? If so what was causing it other than what I presume to have happened? Thanks for any feedback.
my bad i didnt see this part. odd how it was running then the next day it wasnt.
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Old 11-30-2010
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Forgot to say that I had already pulled all plugs before turning ngine over by crank, sorry
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