Volvo Workshop Manuals
V70 XC AWD L5-2.4L Turbo VIN 56 B5254T (1998)
Powertrain Management > Fuel Delivery and Air Induction > Turbocharger > Variable Boost Control Solenoid, Turbocharger > Component Information > Technical Service Bulletins > Boost Pressure Control Valve - Checking and Adjusting > Page 4193
Heat deflector plate over turbocharger (TC).
Removing pressure regulator hose
Pressure regulator hose (marked in yellow).
Disconnect the hose at the turbocharger (TC) control valve.
Fresh air intake from air cleaner (ACL) to access hose clamp.
The turbocharger (TC) control valve position and version have been changed In the S70/V70/C70
Disconnect the hose running backward from the turbocharger (TC) control valve (marked in yellow).
Release boost pressure control (BPC) valve spindle
Remove split pin from lever.
Disconnect spindle and lift straight up.
Connecting test equipment
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