Written by Raj Patra
OEM - Original Equipment Manufacturer. (Toyota in this case)

OME - Old Man Emu. An Australian four wheel drive specialty manufacturer that makes all kinds of cool stuff that causes us to empty our billfolds.

PCV Valve - The Positive Crankcase Ventilation valve is an emissions control device that routes unburned crankcase blowby gases back into the intake manifold where they can be reburned.

PM - preventive mantenance

PM - private message

PO - Previous owner

POS - Piece of S#1T

PS- Passenger side

PSI - Pounds per square inch - A measure,emt of pressure.

RHD (Right-Hand Drive): steering wheel on the right side, driving on the left side of the road.

RPM - Rotations Per Minute

SOA - Sprong Over Axle - A suspension lift for a leaf (Vs 120 series coil) spring suspension. It places the leaf springs on top of the axle vs the bottom.

SC or S/C = Supercharger/Supercharged

SSM - Special Service Materials

SST - Special Service Tools

SUA = Spring under axle. Stock configuration for a Leaf (80's use Coil)Spring Vehicle (vs. SOA previously mentioned).

TB - Throttle Body: controls air flow into engine system in response to gas pedal depression.

TC or T/C = Turbocharger/Turbocharged

TLCA - Toyota Land Cruiser Association (tlca.org) - The Toyota Land Cruiser Association (TLCA) is a 4 wheel drive organization open to all Toyota 4 wheel drive vehicles (except sedan types). This includes all models of Land Cruisers, 4Runners, and 4x4 trucks.

USDS- US driver's side or the left-hand side of the vehicle.

USPS - US passenger side or the right-hand side of the vehicle.

xfer=Transfer case: sits behind transmission, has front and rear drive shafts coming out of it, and distributes power from the transmission to the front and rear differentials/axles.

Part-time 4wd; part-time t-case - This allows the disconnect of power to the front wheels, making it a RWD (rear wheel drive) vehicle. The activation of a switch or lever to 'lock' the front driveshaft makes full-time 4wd.

Fulltime 4wd - The vehicle is always in 4wd with power to all 4 wheels at all times.

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