LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chevrolet >> 2014 >> Impala LS >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling System >> Specifications >> Fastener Tightening Specifications
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Fastener Tightening Specifications

Fastener Tightening Specifications

Application Specification
Metric English
Engine Coolant Air Bleed Pipe Fastener (LFX) 9 N.m 80 lb in
Engine Coolant Air Bleed Pipe Fastener (LKW) 10 N.m 89 lb in
Engine Coolant Heater Cord Fastener (LUK) 9 N.m 80 lb in
Engine Coolant Temperature (ECT) Sensor (LUK) 20 N.m 15 lb ft
Engine Coolant Thermostat Housing Bolt (LFX LUK) 10 N.m 89 lb in
Engine Coolant Thermostat Housing Fastener (LKW) 10 N.m 89 lb in
Radiator Upper Bracket Bolt (LFX) 22 N.m 16 lb ft
Thermostat Bypass Pipe Fastener (LKW) 10 N.m 89 lb in
Thermostat Cover Fastener (LUK) 10 N.m 89 lb in
Thermostat Housing Fastener (LUK) 10 N.m 89 lb in
Water Outlet Bolt (LFX) 10 N.m 89 lb in
Water Outlet Fastener (LKW) 12 N.m 106 lb in
Water Pump Access Plate Fastener (LUK) 10 N.m 89 lb in
Water Pump Cover Fastener (LUK) 25 N.m 18 lb ft
Water Pump Fastener (LFX)*
  • First Pass
10 N.m 89 lb in
  • Second Pass
10 N.m 89 lb in
  • Final Pass
45 Degrees
Water Pump Fastener (LKW LUK) 25 N.m 18 lb ft
Water Pump Pulley Fastener (LFX) 10 N.m 89 lb in
Water Pump Sprocket to Water Pump Fastener (LUK) 10 N.m 89 lb in
* Use NEW fastener.