Question about Mitsubishi Cars & Trucks
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Posted on Jan 02, 2017
CYLINDER HEAD REMOVAL
Removing the front suspension member—Altima
Cylinder head bolt removal sequence—2.5L engine–Altima and Sentra
Cylinder head bolt tightening sequence—2.5L engine–Altima and Sentra
NOTE If possible, replacement of the head bolts is suggested.
Posted on Nov 13, 2009
You have two bolt sizes the shorter or smaller of the two sizes is called M10 the torque is 22ft lbs +65 degrees +65 degrees again The larger of the two bolts is called a M12 the torque for these are 26ft lbs +65+65. There is a tightening order staring at the top center bolt and working in a circle They have to be torqued in three steps. If you dont under stand something about this repost and I can help you farther. If this is helpful please mark that it was I do this for free to help people DRIVE SAFE TIM
Posted on Feb 19, 2010
hi to tighten you have to do it in 4 stages as follows
1st stage 40nm leave 5 mins 2nd stage 60nm leave 5 mins 3rd stage 90 degrees leave 10 mins 4th stage 90 degrees then you are done i will try put order on here i hope this works as follows
10 4 2 6 8 front of engine back of engine 7 5 1 3 9
in that order hope this helps
Posted on May 10, 2010
Tips for a great answer:
DeVille, Eldorado, Seville 1999-2005
Removal & Installation
Fig. Left cylinder head bolt torque sequence-4.6L engine
Fig. Right cylinder head bolt torque sequence- 4.6L engine
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Since you didn't say which engine you have, I've pulled torque specs for 3 different engines. Also, since I can't include a diagram showing the relative locations of the numbered head-bolt locations, it would be a good idea for you to purchase a vehicle specific repair guide that will show this info.
Take particular note about the TTY (Torque to Yield) bolts used on 2 of the 3 engines shown. It is said that new head bolts MUST BE USED when head is replaced or re-installed to obtain the proper torque.
B2500 4 Cylinder
Torque sequence: --------- ' 10 6 2 4 8
' front ' ' ' 7 3 1 5 9 ' -----------Step 1: torque in sequence to 51
Ft/Lbs Step 2: torque again in sequence to 51 Ft/Lbs Step 3: final
tighten all bolts an additional 90 to 100 degrees recheck final
torque in sequence *** CAUTION ***engine uses Torque To Yield head
bolts (TTY) that permanently stretch during the initial installation.
New head bolts must be used when cylinder head is replaced or
re-installed to obtain proper torque.
B3000 3.0 6 Cylinder
Torque sequence ---------- ' 6 4 2 8 '
' ' ' 5 1 3 7 ' ---------- Step 1: torque to 59 Ft/Lbs Step 2: loosen
in sequence (1) full turn Step 3: torque to 41 Ft/Lbs Step 4: torque
to 73 Ft/Lbs
B4000 4.0 6 Cylinder
Torque sequence --------- ' 5 1 3 7 ' '
' ' 6 4 2 8 ' --------- Step 1: torque cylinder head bolts in
sequence to 26 Ft/Lbs Step 2: torque cylinder head bolts to 56 Ft/Lbs
Step 3: turn cylinder head bolts in sequence an additional 90-degrees
recheck final torque in sequence *** CAUTION ***engine uses Torque To
Yield head bolts (TTY) that permanently stretch during the initial
installation. New head bolts must be used when cylinder head is
replaced or re-installed to obtain proper torque.
Good luck with this job!
Feb 06, 2011 | 1998 Mazda Pickup
Fig. Cylinder head bolt torque sequence-3.8L engine
Fig. Tighten the cylinder head bolts using the following sequence-31L and 3.4L engines
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