HELP !! Mercruiser "locked up"????

ewpvic

Petty Officer 2nd Class
Joined
Jul 16, 2013
Messages
100
Hello everyone.

1996 Mercruiser 5.7 Alpha 1 Gen 2. Recently boogered up my starter (severed the wire from the solenoid to starter accidentally). SO, I order and install new starter and bolts. One bolt breaks........then as I tried to get it to run again (which it did by "holding" the starter in the flywheel opening) other bolt break, so I take it to shop.

Now, this engine was running just days before. No water in oil, no evidence of water intrusion in the engine, not running hot, water is pumping throughout GREAT. The shop just calls and says it's locked up. I find this VERY difficult to believe. OK - the boat sat COVERED for 2 weeks in the driveway.

This thing ran fantastic until the bolts broke. WHAT HAVE I DONE????
 

Bondo

Moderator
Staff member
Joined
Apr 17, 2002
Messages
70,604
Ayuh,....... My WAGuess is, the gaskets failed at the manifold/ riser joint,.....
 

alldodge

Moderator
Staff member
Joined
Mar 8, 2009
Messages
40,897
Ask the shop if they have pulled the plugs, if not pull them and crank it over
 

ewpvic

Petty Officer 2nd Class
Joined
Jul 16, 2013
Messages
100
They said that the plugs were pulled. I'm picking it up today (been working). I have to test this myself. Plugs out and outdrive off. Keep your fingers crossed for me guys.
 
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