17
17-7
Service standards
Tightening torque (Unit: N·m {kgf·m})
Inspection procedures
Inspection: EGR valve lift
• While applying air pressure of 637 to 932 kPa {6.5 to 9.5 kgf/
cm
2
} to the ports in accordance with the table below, measure
the valve lift in operating steps 0 to 7 on each valve.
• Replace the EGR valve if it does not conform to the standard
value.
O: Air applied
–: Air not applied
Location Maintenance item Standard value Limit Remedy
18 EGR valve lift Operating stage
00 –
Replace
1 1.3 ± 0.3 –
2 2.6 ± 0.3 –
3 4.6 ± 0.3 –
4 5.7 ± 0.3 –
5 7.7 ± 0.4 –
6 9.0 ± 0.3 –
7 11.0 ± 0.3 –
Mark Parts to be tightened Tightening torque Remarks
Clamp (water hose mounting) 4 to 5 {0.4 to 0.5} –
Connector (air pipe mounting) 15 to 29 {1.5 to 3.0} –
Clamp (water hose mounting) 3.9 {0.4} –
Eyebolt (water outlet pipe mounting)
25 {2.6} –
Eyebolt (EGR air pipe mounting)
Nut (EGR adapter mounting) 58 {5.9} –
Bolt (EGR adapter mounting)
46 to 54 {4.7 to 5.5} –Bolt (EGR pipe mounting)
Bolt (EGR solenoid valve mounting)
Plug 29 {3.9} –
Operating step
Input port
M/V-1 M/V-2 M/V-3
0 –––
1O––
2 –O–
3OO–
4––O
5 O–O
6–OO
7 OOO
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