Glow Plug Correct Torque Specifications
Glow Plug: Technical Service Bulletins
Correct Glow Plug - Torque
Applies To
ALL DIESEL ENGINES
Group
28
Subject
Glow Plugs
Part Identifier2884
Key Points
Correct Glow plug torque
A289a
Number
86-01
November 24, 1986
The torque specification for all glow plugs is:
a 30 N-m (22 ft.lbs)
This torque must NOT be exceeded because increasing the torque beyond the specification will cause closing of the ring gap, which can lead to
premature failure of the glow plug.
1 - Ring gap OK (arrow) approximately 0.5 mm (0.02 in.)
2 - Ring gap closed (arrow) after being over-torqued