Hello,
Below is the specification for the 1.4 Boosterjet engine, K14C
Note always replace stretch bolts
All tightening specs below have degree tightening specs so this would indicate that new bolts will be required.
Tightening torque:
Big-end bearing cap
Stage 1 15Nm
Stage 2 loosen all bolts to 0Nm
Stage 3 25 Nm
Stage 4 55 degrees
Main bearing cap
Stage 1 20Nm
Stage 2 40 Nm
Stage 3 60 degrees
See image 2 below for main bearing tightening sequence
Cylinder head
Stage 1 15Nm
Stage 2 30 Nm
Stage 3 70 degrees
Stage 4 65 degrees
See image 1 below for cylinder head bolt tightening sequence]
To tighten bolts to degree specification please use an angle gauge, see image 3
Hope this helps.
Cheers, Boris
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Saturday, December 24th, 2022 AT 4:26 AM