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#1
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HEAD BOLT TORQUE ON MERC 3.0L
Hi group,
I have to change the head gasket on my 1989 mercruiser 3.0 engine. I have ordered the shop manual but it is only due to arrive on Monday, and I would like to have the boat ready for the weekend. I would appreciate if somebody who has a manual could tell me the ft/lbs of torque and tightening sequence required for the head bolts and the manifold bolts. Thanks for your help. |
#2
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HEAD BOLT TORQUE ON MERC 3.0L
Manifold to cyl. head: 20-25 ft.lbs.
Head bolts: 90-100 ft.lbs. (torque to 1/2 value and go thru pattern again torching to this value). 10 6 2 3 7 + + + + + + + + + + FRONT 9 5 1 4 8 "B. Alexander" wrote: Hi group, I have to change the head gasket on my 1989 mercruiser 3.0 engine. I have ordered the shop manual but it is only due to arrive on Monday, and I would like to have the boat ready for the weekend. I would appreciate if somebody who has a manual could tell me the ft/lbs of torque and tightening sequence required for the head bolts and the manifold bolts. Thanks for your help. |
#3
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HEAD BOLT TORQUE ON MERC 3.0L
On just about any gas engine you start in the middle of the head and make an
ever widening circle moving out. "B. Alexander" wrote in message ... Hi group, I have to change the head gasket on my 1989 mercruiser 3.0 engine. I have ordered the shop manual but it is only due to arrive on Monday, and I would like to have the boat ready for the weekend. I would appreciate if somebody who has a manual could tell me the ft/lbs of torque and tightening sequence required for the head bolts and the manifold bolts. Thanks for your help. |
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