2007 Lexus IS 350FACTORY OEM SERVICE PROCEDURE

Torque Specifications

WARNING: This page is about a different car, the 2007 Lexus IS 250. However, it is still accessible from the selected car via links, so may be relevant.
AIR CONDITIONING TORQUE SPECIFICATIONS

Part Tightened N*m kgf*cm ft.*lbf
AIR CONDITIONING UNIT
Air conditioning radiator assembly x Blower assembly 3.0 31 27 in.*lbf
Air conditioning unit assembly x Body 9.8 100 7
Instrument panel reinforcement assembly x Body (Collar) 6.0 61 53 in.*lbf
Instrument panel reinforcement assembly x Body ("Torx" bolt) 20 204 15
Air conditioning tube assembly x Cooler expansion valve 3.5 35 30 in.*lbf
Suction pipe sub-assembly x Air conditioning tube assembly 9.8 100 7
BLOWER UNIT
Air conditioning radiator assembly x Blower assembly 3.0 31 27 in.*lbf
Blower assembly x Instrument panel reinforcement assembly (Bolt:) 9.8 100 7
No. 2 Air duct x Blower assembly 5.4 55 48 in.*lbf
COMPRESSOR AND MAGNETIC CLUTCH
Compressor and magnetic clutch x Engine 25 255 18
Discharge hose sub-assembly x Compressor and magnetic clutch 9.8 100 7
No. 1 cooler refrigerant suction hose x Compressor and magnetic clutch 9.8 100 7
Magnet clutch hub x Cooler compressor assembly 18 184 13
Oil filter bracket sub-assembly 21 214 15
Compressor and magnetic clutch (stud bolt) x Engine 10 102 7
CONDENSER
Cooler condenser assembly x Radiator assembly 5.0 51 44 in.*lbf
Discharge hose sub-assembly x Cooler condenser assembly 5.4 55 47 in.*lbf
Liquid tube sub-assembly x Cooler condenser assembly 5.4 55 47 in.*lbf
Cap x cooler condenser assembly 2.9 30 26 in.*lbf
SMOG VENTILATION SENSOR
Smog ventilation sensor 9.8 100 7
HEATER GLOW PLUG
Water by-pass glow plug x Water hose joint 15 157 11
Heater blower wire x Water bypass glow plug 2.7 28 24 in.*lbf
WATER HOSE JOINT
Water hose joint x Intake air surge tank 10 102 7
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.