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Engine Controls/fuel - 3.6l - Specifications Buick LaCrosse II

Testing & Diagnostics

Temperature Versus Resistance - Engine Coolant Temperature Sensor

Temperature C°/F°Resistance Minimum OhmsResistance Maximum Ohms
Engine Coolant Temperature (ECT)
40/-4040, 49050, 136
20/-414, 09616, 827
10/148, 64210, 152
0/325, 4666, 326
20/682, 3512, 649
25/771, 9412, 173
40/1041, 1181, 231
60/140573618
80/176313332
100/212182191
120/248109116
140/284068074

Temperature Versus Resistance - Engine Coolant Temperature Sensor

Temperature Versus Resistance - Intake Air Temperature Sensor (Hitachi Sensor)

Temperature C°/F°Resistance Minimum OhmsResistance Maximum Ohms
Hitachi Intake Air Temperature (IAT) Sensor
40/-4037, 52749, 882
20/-413, 11016, 329
10/148, 1459, 851
0/325, 2056, 122
20/682, 2982, 570
25/771, 9002, 100
40/1041, 0731, 226
60/140537639
80/176289356
100/212165210
120/24899129
140/2846283
150/3024967

Temperature Versus Resistance - Intake Air Temperature Sensor (Hitachi Sensor)

Altitude Versus Barometric Pressure

Altitude Measured in Meters (m)Altitude Measured in Feet (ft)Barometric Pressure Measured in Kilopascals (kPa)Barometric Pressure Measured in Pounds Per Square Inch (psi)
Determine your altitude by contacting a local weather station or by using another reference source.
4 26714, 00056-648.1-9.3
3 96213, 00058-668.4-9.6
3 65812, 00061-698.8-10.0
3 35311, 00064-729.3-10.4
3 04810, 00066-749.6-10.7
2 7439, 00069-7710.0-11.2
2 4388, 00071-7910.3-11.5
2 1347, 00074-8210.7-11.9
1 8296, 00077-8511.2-12.3
1 5245, 00080-8811.6-12.8
1 2194, 00083-9112.0-13.2
9143, 00087-9512.6-13.8
6102, 00090-9813.1-14.2
3051, 00094-10213.6-14.8
00 Sea Level96-10413.9-15.1
3051, 000101-10514.6-15.2

Altitude Versus Barometric Pressure

Ignition System Specifications

ApplicationSpecification
MetricEnglish
Firing Order1-2-3-4-5-6
Spark Plug Gap1.1 mm0.043 in
Spark Plug Torque20 N.m15 lb ft
Spark Plug TypeRefer to Electronic Parts Catalogue

Ignition System Specifications

Fastener Tightening Specifications

ApplicationSpecification
MetricEnglish
Accelerator Control Pedal Bolts8 N.m71 lb in
Air Cleaner Inlet Duct Fasteners (LAU)9 N.m80 lb in
Air Cleaner Outlet Duct Clamp4 N.m35 lb in
Air Cleaner Outlet Duct Fastener (LFW)10 N.m89 lb in
Air Cleaner Outlet Duct to Turbo Fastener5 N.m44 lb in
Boost Control Solenoid Nut8 N.m71 lb in
Bypass Valve Actuator Mounting Bolt25 N.m18 lb ft
Camshaft Position (CMP) Sensor Bolt10 N.m89 lb in
Camshaft Position Actuator Solenoid Valve Bolt10 N.m89 lb in
Crankshaft Position (CKP) Sensor Bolt10 N.m89 lb in
Engine Coolant Temperature (ECT) Sensor20 N.m15 lb ft
Engine Mount Strut Bolt/Nut48 N.m35 lb ft
Evaporative Emission Canister Purge Solenoid Valve Bolt10 N.m89 lb in
EVAP Solenoid Vent Valve Bracket Bolt10 N.m89 lb in
Exhaust Gas Recirculation (EGR) Valve Adapter Bolt and Stud50 N.m37 lb ft
Exhaust Gas Recirculation (EGR) Valve Intake Pipe to Exhaust Manifold Bolt30 N.m22 lb ft
Exhaust Gas Recirculation (EGR) Valve Outlet Pipe to Adapter Nut30 N.m22 lb ft
Exhaust Gas Recirculation (EGR) Valve Outlet Pipe to Intake Manifold Bolt30 N.m22 lb ft
Exhaust Gas Recirculation (EGR) Valve Nut30 N.m22 lb ft
Fuel Feed Intermediate Pipe Fittings
Heat Shield Fastener9 N.m80 lb in
Heat Shield Fastener58 N.m42 lb ft
First Pass15 N.m11 lb ft
Second Pass30 N.m22 lb ft
Fuel Pipe Shield Bolt10 N.m89 lb in
Fuel Filler Pipe Screw to the Fuel Filler Pipe2.5 N.m22 lb in
Fuel Rail Hold-Down Bolt/Nut10 N.m89 lb in
Fuel Rail Hold-Down Stud25 N.m18 lb ft
Fuel Tank Filler Pipe Hose Clamp4 N.m35 lb in
Fuel Tank Filler Pipe Screw13 N.m115 lb in
Fuel Tank Strap Fastener45 N.m33 lb ft
High Pressure Fuel Pump Retaining Bolt15 N.m11 lb ft
Heated Oxygen Sensor (HO2S)42 N.m31 lb ft
Idle Air Control (IAC) Valve Screw3 N.m27 lb in
Ignition Coil Bolt10 N.m89 lb in
Ignition Coil to Ignition Control Module (ICM) Screw4.5 N.m40 lb in
Ignition Control Module (ICM) Nut10 N.m89 lb in
Ignition Control Module 14 Way Connector to Module Screw2.1 N.m19 lb in
In-Line Fuel Filter Mounting Bracket Bolt20 N.m15 lb ft
In-Line Fuel Filter Outlet Nut30 N.m22 lb ft
Knock Sensor (KS)23 N.m17 lb ft
Knock Sensor (KS) Heat Shield Bolt60 N.m44 lb ft
Manifold Absolute Pressure (MAP) Sensor Screw5 N.m44 lb in
Powertrain Control Module (PCM) Electrical Connector Bolt8 N.m71 lb in
Spark Plug18 N.m13 lb ft
Throttle Body Nut10 N.m89 lb in
Throttle Body Support Bracket Bolt16 N.m12 lb ft
Throttle Position (TP) Sensor Screw2 N.m18 lb in
Throttle Inlet Absolute Pressure (TIAP) Sensor4 N.m35 lb in

Fastener Tightening Specifications

Adhesives, Fluids, Lubricants, and Sealers

ApplicationType of MaterialGM Part Number
Anti-Seize CompoundLubricantGM P/N 88862477 (Canadian P/N 88862478)
Camshaft Gear Access Hole PlugSealantGM P/N 12346004 (Canadian P/N 10953480)
Coolant Temperature Sensor ThreadsSealantGM P/N 12346004 (Canadian P/N 10953480)
Engine Oil5W-30 OilGM P/N 19293000 (Canadian P/N 19286321)
Fuel Injection Fuel Rail BoltsSealantGM P/N 12345382 (Canadian P/N 10953489)
Intake Air Temperature Sensor ThreadsSealantGM P/N 12346004 (Canadian P/N 10953480)
Top Engine CleanerCleanerGM P/N 1052626 (Canadian P/N 993026)

Adhesives, Fluids, Lubricants, and Sealers

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