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brownjeff, ASE Certified Technician
Category: Nissan
Satisfied Customers: 13886
Experience:  17 years experience, ASE certified, dealership certified, Service Manager for 15 years,
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Nissan sentra: cylinder head bolt specs torque

Customer Question

cylinder head bolt specs torque for nissan sentra ex motor 1.8 14 bolt
Submitted: 5 years ago.
Category: Nissan
Expert:  brownjeff replied 5 years ago.
Hello and Welcome to JustAnswer,

My name is XXXXX XXXXX I am here to try and assist your with your question. Can you tell me what year the vehicle is?
Customer: replied 5 years ago.

the car model is a nissan centra ex 2003 motor 1.8, i was wondering if you can tel me what is the degrees to tight the bolts for the head of the motor?


Expert:  brownjeff replied 5 years ago.
Tighten cylinder head bolts (1) to (10) in numerical order as shown in five stages.

Cylinder head bolts
Stage 1: 29.4 Nm (3.0 kg-m, 22 ft. lbs.)
Stage 2: 58.8 Nm (6.0 kg-m, 43 ft. lbs.)
Stage 3: 0 Nm (0 kg-m, 0 ft. lbs.) (loosen)
Stage 4: 27.4 - 31.4 Nm (2.8 - 3.2 kg-m, 21 - 23 ft. lbs.) Stage 5: 50°- 55°(target 50°) clockwise

Tighten cylinder auxiliary bolts (11) to (14) in numerical order shown in figure.

Verify shank length under bolt head. [Bolt 11: 20 mm (0.79 inch), bolts 12 -14: 25 mm (0.98 inch)]