Re-Torquing STOCK Head Bolts Questions
#11
#12
had an experience tonight, i want to ask some questions, get some answers then i will go through what went down.
1. Is it "OK" to re-torque factory installed head bolts?
2. If it is "OK" to does mileage have any affect on them?
3. What is the acceptable ft/lb of Tq that you can torque the bolts to?
1. Is it "OK" to re-torque factory installed head bolts?
2. If it is "OK" to does mileage have any affect on them?
3. What is the acceptable ft/lb of Tq that you can torque the bolts to?
Mine are down to 135 ft/lbs...
#13
#14
#16
diesel power mag did a write up about this and they said to soak the bolts in oil over night and make sure the threads on the block and bolt are perfect and clean then from 100lbs up do it in 5lbd incroments up till 135lbs. i think im going to get all new bolts and torque them to 130. that should be more then enough to hold 40psi
#17
this is what the shop manual says
step ......... torque value
1 ........... 40 Nm (29 ft lb)
2 ........... 85 Nm (62 ft lb)
3 .......... 126 Nm (93 ft lbs
there is a sequence but the picture of it is bigger than allowed for uploading
AERA SAYS 66, 89 FT/LBS +90 DEG SEE TB 909
909 SAYS TORQUE TO YIELD IS AT 100 FT LBS
step ......... torque value
1 ........... 40 Nm (29 ft lb)
2 ........... 85 Nm (62 ft lb)
3 .......... 126 Nm (93 ft lbs
there is a sequence but the picture of it is bigger than allowed for uploading
AERA SAYS 66, 89 FT/LBS +90 DEG SEE TB 909
909 SAYS TORQUE TO YIELD IS AT 100 FT LBS
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