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An non-obligatory engine block heater is on the market within the Grand Cherokee (customary tools in Canada). The heater is supplied with an influence wire. The wire is connected to an engine compartment element with tie-straps. The heater warms the engine offering simpler engine beginning and sooner warm-up in low temperatures. The heater parts should not immersed in engine coolant, they make direct contact with the block.
The 3.6L engine block heater is situated on the driving force aspect towards the entrance of the engine. The block heaters for the 5.7L and 6.4L engines are situated on the driving force aspect under the exhaust manifold on the rear of the engine.
Connecting the facility wire to a grounded 110-120 volt AC electrical outlet with a grounded, three wire extension wire prompts the heating component warming the engine coolant.
If the unit doesn’t function, attainable causes might be both the facility wire or the heater component. Test the facility wire for continuity with a 110-volt voltmeter or 110-volt take a look at mild. Test heater component continuity with an ohmmeter or a 12-volt take a look at mild.
1. Mopar engine block heater kits for 2011-2015 3.6L and 5.7L engines
Engine Block Heaters hold the engine heat for simpler beginning and faster warm-up. Features embrace particular plug-in wiring designed for every utility and is identical because the manufacturing heaters. Depending on engine dimension, the warmers devour 450 to 600 Watts.
Engine Block Heater Kit – 3.6L V6. Mopar p/n 82212440. MSRP $76.55
Engine Block Heater Kit – 5.7L V8. Mopar p/n 82212439. MSRP $84.50
Installation Instructions (PDF)
3.6L Engine Block Heater Installation
5.7L Engine Block Heater Installation
2. Engine block heater – 3.0L CRD diesel fashions
For U.S.A. fashions, the engine block heater component is pre-installed into all 3.0L engines. On automobiles the place the engine block heater possibility was not bought when the automobile was initially ordered, solely the heater wire itself must be bought and put in. In some markets, comparable to Canada, each the engine block heater and twine is customary tools.
Engine Block Heater wire, 3.0L Diesel. Mopar p/n 68186526AB. MSRP $67.25
3.0L CRD engine block heater and twine
3.0L CRD engine block heater wire routing
3.0L CRD engine block heater
Installation
From smithcu4 on the JeepStorage boards:
Install from the highest. I squeezed my arms down the bottom of the engine compartment (actually towards the firewall to the cabin of the automobile) on the passenger aspect after which reached ahead till I felt a really malleable rubber. Pull, and you’ve got simply discovered the notorious orange plug. I then ran the wire straight down vs going by the again a part of the engine compartment.
I had hassle getting the leverage wanted to push the plug in with my left arm, so I took the engine cowl off and put down a number of thick blankets, laid throughout the engine, and put my proper arm down the again of the engine compartment – success. Zip tie after which determine what you’ll do for an extension, b/c except you need to depart it flopping round from beneath the hood, you’ll want one.
WARNING: Do not function engine except block heater wire has been disconnected from energy supply and secured in place. The energy wire should be secured in its retaining clips and routed away from exhaust manifolds and shifting components.