LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chevrolet >> 2020 >> Sonic LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 22 (Engine Cooling System) >> Specifications >> Fastener Specifications
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Fastener Specifications

WARNING: This page is about a different car, the 2018 Chevrolet Sonic. However, it is still accessible from the selected car via links, so may be relevant.
Single Use Non-Threaded Fasteners/Components

Application
NOTE:

All fasteners/components listed in this table MUST BE DISCARDED and replaced with NEW after removal. 

Engine Coolant Temperature Sensor Seal
Engine Coolant Thermostat Housing Seal (LUW)
Engine Coolant Thermostat Seal (LUV, LUW)
Engine Oil Cooler Pipe Seal (LUW)
Engine Oil Cooler Gasket
Engine Oil Cooler Inlet Pipe Seal
Engine Oil Cooler Outlet Pipe Seal
Engine Oil Cooler Seal
Oil Pressure Indicator Switch Seal
Radiator Mounting Pin
Turbocharger Coolant Feed Pipe Seal (LUV)
Turbocharger Coolant Return Pipe Seal (LUV)
Water Inlet Seal (LUW)
Water Outlet Seal (LUV)
Water Pump Gasket (LUV)
Water Pump Seal (LUW)
Single Use Threaded Fastener/Component Tightening Specifications

Application Specification
Metric (English)
NOTE:

All fasteners/components listed in this table MUST BE DISCARDED and replaced with NEW after removal. 

Water Pump Bolt (1)
  • First Pass:
8 N.m (71 lb in)
  • Second Pass:
Plus 30 Degrees
1 = Tighten only 2 bolts to a final pass, see water pump documents.
Reusable Threaded Fastener Tightening Specifications

Application Specification
Metric (English)
NOTE:

All fasteners listed in this table can be reused after removal. 

Engine Coolant Fan Engine Bolts 4 N.m (35 lb in)
Engine Coolant Fan Shroud Fastener 5 N.m (44 lb in)
Engine Coolant Thermostat Housing Bolts 8 N.m (71 lb in)
Engine Coolant Thermostat Housing Bracket Nut 6 N.m (53 lb in)
Engine Front Cover Bolt (LUV) 8 N.m (71 lb in)
Engine Oil Cooler Assembly Bolts 22 N.m (16 lb ft)
Engine Oil Cooler Bolts 20 N.m (15 lb ft)
Engine Oil Cooler Inlet Pipe Bolt 10 N.m (89 lb in)
Engine Oil Cooler Outlet Pipe Bolt 8 N.m (71 lb in)
Engine Oil Cooler Outlet Pipe Mounting Bolts to ECM bracket to Water Pump Housing 8 N.m (71 lb in)
Engine Oil Cooler Pipe Bolts 8 N.m (71 lb in)
Engine Oil Cooler Pipe to Thermostat Housing Bolts 8 N.m (71 lb in)
Oil Cooler Outlet Pipe Bolt to Engine Block 10 N.m (89 lb in)
Oil Pressure Indicator Switch 20 N.m (15 lb ft)
Radiator Drain Cock 2 N.m (18 lb in)
Radiator Mounting Pin Bolt 5 N.m (44 lb in)
Radiator Surge Tank Bolt 5 N.m (44 lb in)
Radiator Upper Bracket Fastener 9 N.m (80 lb in)
Turbocharger Coolant Return Pipe Bolt 10 N.m (89 lb in)
Turbocharger Fastener 8 N.m (71 lb in)
Water Inlet Bolts 8 N.m (71 lb in)
Water Inlet Pipe Mounting Fasteners 9 N.m (80 lb in)
Water Outlet Bolts 8 N.m (71 lb in)
Water Pump Bolt 8 N.m (71 lb in)
Water Pump Pulley Bolts (LUV) 22 N.m (16 lb ft)
Water Pump Pulley Bolts (LUW) 20 N.m (15 lb ft)
Wiring Harness Bracket Nut 10 N.m (89 lb in)