Replacement Of Positive Crankcase Ventilation Valve Element; On-Vehicle Inspection And Adjustment; Check For Cracks And Damages In Piping Of Blowby Gas Return System; Check For Cracks, Damages And Looseness In Piping Of - Mitsubishi 6M70 Workshop Manual

ON-VEHICLE INSPECTION AND ADJUSTMENT

1. Replacement of Positive Crankcase Ventilation Valve Element

Lubricant and/or sealant
Mark
– O-ring

2. Check for Cracks and Damages in Piping of Blowby Gas Return System

• Inspect the piping of blowby gas return system visually. If there is any cracks or damages, replace the piping.
(See "BLOWBY GAS RETURN SYSTEM".)
3. Check for Cracks, Damages and Looseness in Piping of Exhaust Gas Recircula-
tion System
• Inspect the exhaust gas recirculation pipe visually. If there is any cracks or damages, replace the pipe. (See "EGR
VALVE, EGR PIPE AND EGR COOLER".)
• Check for looseness in the exhaust gas recirculation pipe mounting bolts and nuts. If there is looseness, tighten
the bolts and nuts to the specified torque. (See "EGR VALVE, EGR PIPE AND EGR COOLER".)
17-8
Points of application
CAUTION
• For information on the element replacement interval, refer
[Removal]
• Loosen the cap by hand.
CAUTION
• Do not use any tools to loosen the cap. Otherwise, the cap
[Installation]
• Clean the thread on the cap.
• Lightly smear the O-ring with engine oil and fit it on the cap.
• Securely tighten the cap until it stops slightly above the positive
CAUTION
• Be sure to use a genuine Mitsubishi Fuso element. Using an
• When replacing the element, be sure to replace the O-ring
Specified lubricant and/or sealant
to the element instruction manual. If the element is used be-
yond its replacement interval, it may become clogged,
causing the pressure inside the engine to increase such
that oil leakage occurs.
may become damaged.
crankcase ventilation body.
inappropriate element could result in engine trouble.
also.
Engine oil
Quantity
As required