INSTALLATION
Fig. 195: Oil Pump
Courtesy of CHRYSLER LLC
1. Install oil pump assembly (2, 4, 5).
2. Install timing chain cover.
SWITCH, OIL PRESSURE
Description
DESCRIPTION
The engine oil pressure switch is located on the timing cover, in front of the engine. The normally closed switch
provides an input through a single wire to the low pressure indicator light on the instrument cluster.
Operation
OPERATION
The oil pressure switch provides a ground for the instrument cluster low oil pressure indicator light. The switch
receives oil pressure input from the engine main oil gallery. When engine oil pressure is greater than 27.5 kPa
(4 psi), the switch contacts open, providing a open circuit to the low pressure indicator light. For wiring circuits
and diagnostic information, (Refer to Appropriate Wiring/Diagnostic Information).
Removal
1 - CHAIN CASE COVER
2 - OIL PUMP INNER ROTOR
3 - SCREW
4 - OIL PUMP COVER
5 - OIL PUMP OUTER ROTOR
2010 Jeep Wrangler Sport
2010 ENGINE 3.8L - Service Information - Wrangler
viernes, 1 de octubre de 2021 05:18:32 p. m.
Page 159
© 2011 Mitchell Repair Information Company, LLC.
