Question about 1993 Mitsubishi Expo 4 Door
Is there a free manual available. I am try ing to find out the correct sequence to tighten the head nuts and at what pressures...can you help or point me to source for the manual...???
I do know that the Head Bolt Torque settings are 95nm (70lb/ft), as for the sequence i'm not sure of that.
Posted on Apr 21, 2009
After a quick google search, I couldn't find anything of a diagram on your particular model.
However, I do know beyond a shadow of a doubt the Mitsubishi Dealership will have them on hand, or can retrieve them. And will more than likely do so for you if you stop by one and ask them politely for a printout of the Head Bolt Torque Sequence and Specifications, I'd imagine they wouldn't charge you for one since most Mitubishi Dealerships are pretty relaxed places.
Posted on May 16, 2008
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Posted on Jan 02, 2017
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Fig. Left cylinder head bolt torque sequence-4.6L engine
Fig. Right cylinder head bolt torque sequence- 4.6L engine
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Cylinder head bolt tightening sequence - 1993-97
Remove the head from the engine. If prying is necessary, use a protected blade; take great care not to damage the mating surfaces of the head and block.
Clean the head and block of all gasket material. Take great care not to gouge or scratch the mating surfaces.
Place a new gasket on the cylinder block. Make sure it is positioned correctly. Install the cylinder head in position.
Lightly coat the head bolt threads and plate washers with engine oil. Install the bolts in the head.
Uniformly tighten the head bolts in several passes in sequence, to 25 ft. lbs. (34 Nm).
Mark the front of each bolt with a dot of paint. Following the correct order, tighten each bolt an additional 90 degrees. When complete, all the paint marks should face to the side of the engine.
Again following the correct order, tighten the bolts another 90 degrees of rotation. When complete, the paint marks should face the rear of the engine, exactly 180 degrees away from the original starting point. Correct bolt torque is expressed as 25 ft. lbs. (34 Nm) + 90° + 90°.
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