LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2019 >> ATS Base, AWD >> Repair and Diagnosis >> Quick Lookups >> Common Specs & Procedures >> Common Specs & Procedures Index
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Common Specs & Procedures Index

ATS COMMON SPECS & PROCEDURES

SYSTEM SPECIFICATION/PROCEDURE
Air Conditioning 
General Service Specifications SPECIFICATIONS
Torque FASTENER SPECIFICATIONS
Wheel drive shaft nut 
Front 250 N.m (184 lb. ft.)
Rear
250 N.m (184 lb. ft.)
Battery  BATTERY INSPECTION/TEST
Brakes 
Bleeding Sequence RIGHT REAR, LEFT FRONT, LEFT REAR, RIGHT FRONT
See HYDRAULIC BRAKE SYSTEM BLEEDING (MANUAL)
See HYDRAULIC BRAKE SYSTEM BLEEDING (PRESSURE)
Disc Brakes
Service Specifications SPECIFICATIONS
Torque FASTENER SPECIFICATIONS
Charging 
Generator GENERATOR REPLACEMENT (LTG) , GENERATOR REPLACEMENT (LGX) , GENERATOR REPLACEMENT (LF4)
Torque FASTENER SPECIFICATIONS
Drive Belts 
Adjustment Non-Adjustable Serpentine Belt
Drive Belt Routing See the figure under 2.0L DRIVE BELT REPLACEMENT ,
or 3.6L DRIVE BELT REPLACEMENT (LF4) ,
DRIVE BELT REPLACEMENT (LGX)
Engine Cooling 
General Service Specifications SPECIFICATIONS
Radiator Cap Pressure PRESSURE CAP TESTING
Thermostat R & I
ENGINE COOLANT THERMOSTAT HOUSING REPLACEMENT (LGX)
ENGINE COOLANT THERMOSTAT HOUSING REPLACEMENT (LF4)
ENGINE COOLANT THERMOSTAT HOUSING REPLACEMENT (LTG)
Water Pump R & I
WATER PUMP REPLACEMENT (LF4)
WATER PUMP REPLACEMENT (LTG)
WATER PUMP REPLACEMENT (LGX)
Engine Mechanical 
2.0L
Compression ENGINE COMPRESSION TEST
Oil Pressure Minimum - @700 RPM @100°C - 140-200 kPa (20-29 psi)
Overhaul ENGINE MECHANICAL SPECIFICATIONS
Torque FASTENER SPECIFICATIONS
3.6L
Compression ENGINE COMPRESSION TEST
Oil pressure Minimum @ Idle - 69 kPa (10 psi)
Minimum @ 2,000 RPM - 138 kPa (20 psi)
Overhaul ENGINE MECHANICAL SPECIFICATIONS (LF4)
ENGINE MECHANICAL SPECIFICATIONS (LGX)
Torque FASTENER SPECIFICATIONS (LF4)
FASTENER SPECIFICATIONS (LGX)
Fluid Specifications See FLUIDS under MAINTENANCE/FLUIDS tab. From within Manager or Service Writer, click the "30/60/90 Interval" or "Maint." button.
Flex Plate/Flywheel Torque 
A/T Flex Plate Torque - 2.0L
First Pass - 30 N.m (22 lb ft)
Final Pass - additional 40 degrees
M/T Flywheel Torque - 2.0L First Pass - 30 N.m (22 lb ft)
Final Pass - additional 80 degrees
A/T Flex Plate Torque - 3.6L First Pass - 30 N.m (22 lb ft)
Final Pass - Additional 45 degrees
M/T Flywheel Torque - 3.6L First Pass - 30 N. m (22 lb ft)
Final Pass - additional 60 degrees
Fuel System 
Fuel Pressure Test Procedure - 2.0L CIRCUIT/SYSTEM VERIFICATION
Fuel Pressure Test Procedure - 3.6L LF4 CIRCUIT/SYSTEM VERIFICATION
LGX CIRCUIT/SYSTEM VERIFICATION
Fuel Filter Location - 2.0L Fuel Filter is Part of the Primary Fuel Tank Fuel Pump Module
Fuel Filter Location - 3.6L Fuel Filter is Part of the Primary Fuel Tank Fuel Pump Module
Fuel Filter R & I - 2.0L See FUEL TANK FUEL PUMP MODULE REPLACEMENT
Fuel Filter R & I - 3.6L See FUEL TANK FUEL PUMP MODULE REPLACEMENT
Ignition 
Firing Order & Cylinder Identification FIRING ORDER & CYLINDER IDENTIFICATION
Ignition Wires (Resistance) Coil On Plug
Ignition Wires (Routing)
Coil On Plug
Spark Plug 
2.0L, See Parts Catalog for Application
Gap 0.95-1.10 mm (0.037-0.043 in)
Torque 20 N.m (15 lb ft)
3.6L See Parts Catalog for Application
Gap 0.90 mm (0.035 in)
Torque 18 N.m (13 lb ft)
Starting 
Starter STARTER REPLACEMENT (LGX) , STARTER REPLACEMENT (LTG) , STARTER REPLACEMENT (LF4 - MANUAL TRANSMISSION) , STARTER REPLACEMENT (LF4 - AUTOMATIC TRANSMISSION)
Torque FASTENER SPECIFICATIONS
Wheel Alignment 
Adjustment Specifications WHEEL ALIGNMENT SPECIFICATIONS
Torque FASTENER SPECIFICATIONS
Wheel & Tire 
Wheel Lug Nut Torque 150 N.m (111 lb ft)
For Tightening Sequence, Please see the appropriate Figure Under INSTALLATION PROCEDURE (Non-V series) , INSTALLATION PROCEDURE (V series)