Expansion Valve Removal and Installation
Instructions — Block Union Type
Prior to the installation of this DENSO First Time Fit
instructions completely.
Definition of Terms
DWARNING: Describes precautions that should be observed in order to prevent injury or
death to the user during installation.
DCAUTION:
Describes precautions that should be observed in order to prevent damage to
the vehicle or its components, which may occur during installation if sufficient
care is not taken.
NOTE:
Provides additional information that facilitates installation work.
General Service Information and Requirements
DCAUTION: Only trained personnel who have a
thorough knowledge of automotive air conditioning
systems, the proper tools and an appropriate
workspace should perform repairs to a vehicle's
air conditioning system. In addition, only personnel
trained in an approved refrigerant-handling program
may recover refrigerant from and charge refrigerant
to an automotive air conditioning system.
DWARNING: Tests under controlled conditions
have indicated that some refrigerants can result in
combustion when exposed to an ignition source.
Shop air should not be used for leak checking.
REQUIRED TOOLS:
Safety Goggles
Assorted Hand Tools
Refrigerant Recovery Machine
Charging Station / A/C Manifold
Gauge Set
Vacuum Pump
Electronic Leak Detector
Torque Wrench
NOTE: Do not remove protective caps from the expansion valve until it is ready for installation.
Expansion Valve kit, you must read these
®
SAFETY PRECAUTIONS
• Always wear safety goggles.
• Avoid skin contact with refrigerant or
refrigerant oil.
• Work in a well-ventilated area.
• Never release refrigerant into the
atmosphere.
• Never expose refrigerant container to direct
heat or temperature in excess of 125˚F.
• Never expose refrigerant to an open flame.
LA990009-1816.1
BLOCK UNION TYPE