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Condition Value
expand_moreAir intake system
expand_moreIntake manifold
Jeep gasoline V6 3.6 L ERB 282 HP 5.9 lbf⋅ft
All other modifications 8.85 lbf⋅ft
Tighten the screws cross-wise from inside to outside.
expand_moreAuxiliary assemblies
expand_moreAuxiliary drive belt deflection pulley
Top 20.65 lbf⋅ft
Jeep gasoline V8 5.7 L EZH 347 HP 39.83 lbf⋅ft
Jeep gasoline V8 6.4 L ESG 461 HP 21.39 lbf⋅ft
expand_moreAuxiliary drive belt tensioner
Jeep gasoline V8 5.7 L EZH 347 HP 25.08 lbf⋅ft
Jeep gasoline V8 6.4 L ESG 461 HP 30.24 lbf⋅ft
All other modifications 42.78 lbf⋅ft
Auxiliary drive belt tensioner 40.57 lbf⋅ft
expand_moreAir-conditioning compressor
expand_moreOn engine
M8 18.44 lbf⋅ft
Jeep gasoline V8 5.7 L EZH 347 HP 36.88 lbf⋅ft
expand_moreAir-conditioning compressor pressure line
Jeep diesel V6 3.0 L EXF 188 HP 14.75 lbf⋅ft
Jeep diesel V6 3.0 L EXF 237 HP 14.75 lbf⋅ft
Jeep gasoline V8 5.7 L EZH 347 HP 16.96 lbf⋅ft
expand_moreAlternator
Jeep gasoline V6 3.6 L ERB 282 HP 18.44 lbf⋅ft
Jeep gasoline V8 5.7 L EZH 347 HP 47.94 lbf⋅ft
On the engine block 47.94 lbf⋅ft
All other modifications 36.88 lbf⋅ft
expand_moreGenerator bracket
On engine bracket 20.65 lbf⋅ft
expand_moreHydraulic lines at the servo-steering pump
Jeep gasoline V8 5.7 L EZH 347 HP 34.67 lbf⋅ft
expand_moreServo steering pump
Jeep gasoline V8 5.7 L EZH 347 HP 20.65 lbf⋅ft
On the engine block 20.65 lbf⋅ft
expand_moreAll other modifications
At the bracket 18.44 lbf⋅ft
expand_moreCarburetion
expand_moreFuel-distributing pipe
Jeep gasoline V6 3.6 L ERB 282 HP 5.16 lbf⋅ft
All other modifications 18.44 lbf⋅ft
expand_moreHigh-pressure line
Jeep diesel V6 3.0 L EXF 188 HP 24.34 lbf⋅ft
Jeep diesel V6 3.0 L EXF 237 HP 24.34 lbf⋅ft
expand_moreHigh-pressure pump
At the cylinder head 10.33 lbf⋅ft
expand_moreHigh-pressure pump pulley
Jeep diesel V6 3.0 L EXF 188 HP 51.63 lbf⋅ft
Jeep diesel V6 3.0 L EXF 237 HP 51.63 lbf⋅ft
Injection nozzle (injector) 24.34 lbf⋅ft
expand_moreCharging
expand_moreTurbo charger
At the cylinder head 18.44 lbf⋅ft
On the engine block 40.57 lbf⋅ft
expand_moreCooling system
expand_moreCoolant pump
M10 40.57 lbf⋅ft
M6 8.85 lbf⋅ft
M8 18.44 lbf⋅ft
Jeep gasoline V8 5.7 L EZH 347 HP 20.65 lbf⋅ft
Jeep gasoline V8 6.4 L ESG 461 HP 20.65 lbf⋅ft
All other modifications 17.7 lbf⋅ft
expand_moreCylinder head
expand_moreCamshaft bearing
Jeep gasoline V6 3.6 L ERB 282 HP 7.38 lbf⋅ft
All other modifications 8.11 lbf⋅ft
Cylinder head screw minimum diameter 0.47 in
expand_moreCylinder head screws
Figure 1. Cylinder head, Cylinder head screws, Jeep gasoline V6 3.6 L ERB 282 HP.
Figure 1. Cylinder head, Cylinder head screws, Jeep gasoline V6 3.6 L ERB 282 HP.
First stage 22.13 lbf⋅ft
See figure 1.
Second stage 33.19 lbf⋅ft
Third stage 75°
Fourth stage 50°
Fifth stage Loosen the cylinder head screws in
the reverse order of tightening.
Sixth stage 22.13 lbf⋅ft
Seventh stage 33.19 lbf⋅ft
Eighth stage 70°
Ninth stage 70°
expand_moreM12
Figure 2. Cylinder head, Cylinder head screws, Jeep gasoline V8 5.7 L EZH 347 HP, M12.
Figure 2. Cylinder head, Cylinder head screws, Jeep gasoline V8 5.7 L EZH 347 HP, M12.
First stage 25.08 lbf⋅ft
See figure 2.
Third stage 39.83 lbf⋅ft
Fifth stage 90°
expand_moreM8
Second stage 14.75 lbf⋅ft
Fourth stage 14.75 lbf⋅ft
Sixth stage 25.08 lbf⋅ft
expand_moreScrews 1 – 10
Figure 3. Cylinder head, Cylinder head screws, Jeep gasoline V8 6.4 L ESG 461 HP, Screws 1 – 10.
Figure 3. Cylinder head, Cylinder head screws, Jeep gasoline V8 6.4 L ESG 461 HP, Screws 1 – 10.
First stage 25.08 lbf⋅ft
See figure 3.
Third stage 39.83 lbf⋅ft
expand_moreScrews 1 – 11
Fifth stage 90°
expand_moreScrews 11 – 15
Second stage 14.75 lbf⋅ft
Fourth stage 14.75 lbf⋅ft
Sixth stage 25.08 lbf⋅ft
expand_moreAll other modifications
Figure 4. Cylinder head, Cylinder head screws, All other modifications.
Figure 4. Cylinder head, Cylinder head screws, All other modifications.
First stage 22.13 lbf⋅ft
Heed bolt length. See figure 4.
Second stage 75°
Third stage 75°
Fourth stage 75°
Cylinder head screws shank length (maximum) 8.15 in
Cylinder head screws shank length (new) 8.07 in
expand_moreRocker bridge
6.4 SRT8 4x4 with gasoline V8 6.4 L 461 HP engine (2011.3–) 16.23 lbf⋅ft
expand_moreValve cover
Jeep diesel V6 3.0 L EXF 188 HP 7.38 lbf⋅ft
Jeep diesel V6 3.0 L EXF 237 HP 7.38 lbf⋅ft
Jeep gasoline V8 5.7 L EZH 347 HP 5.9 lbf⋅ft
helically from the inside out
Jeep gasoline V8 6.4 L ESG 461 HP 5.9 lbf⋅ft
expand_moreEngine block
expand_moreConnecting rod bearing
First stage 15.49 lbf⋅ft
Second stage 90°
First stage 15.49 lbf⋅ft
Replace screws.
Second stage 90°
expand_moreAll other modifications
expand_moreM9
First stage 14.75 lbf⋅ft
Second stage 90°
expand_moreCrankshaft central screws
Jeep gasoline V8 5.7 L EZH 347 HP 129.81 lbf⋅ft
expand_moreDrive plate
Jeep gasoline V6 3.6 L ERB 282 HP 70.07 lbf⋅ft
Gradually tighten screws crosswise.
Jeep gasoline V8 5.7 L EZH 347 HP 70.07 lbf⋅ft
Tighten cross-wise.
Flywheel 55.32 lbf⋅ft
expand_moreMain bearing
expand_moreM12
First stage 19.91 lbf⋅ft
helically from the inside out
Second stage 90°
M8 20.65 lbf⋅ft
helically from the inside out
expand_moreM12
First stage 20.65 lbf⋅ft
Second stage 90°
M8 22.86 lbf⋅ft
Replace screws, wash and slightly oil.
expand_moreAll other modifications
expand_moreM11
First stage 14.75 lbf⋅ft
Second stage 90°
expand_moreM8
First stage 15.49 lbf⋅ft
Second stage 90°
Lateral-fitting screws (M8) 20.65 lbf⋅ft
expand_moreVibration damper
First stage 29.5 lbf⋅ft
Second stage 105°
Jeep gasoline V8 5.7 L EZH 347 HP 129.81 lbf⋅ft
Jeep gasoline V8 6.4 L ESG 461 HP 184.39 lbf⋅ft
expand_moreAll other modifications
First stage 73.76 lbf⋅ft
Second stage 125°
expand_moreEngine control
expand_moreCamshaft adjuster
Camshaft adjuster valve 110.63 lbf⋅ft
Camshaft timing chain guide rail 8.85 lbf⋅ft
Camshaft timing chain tensioner 8.85 lbf⋅ft
Camshaft timing chain tensioning rail 8.85 lbf⋅ft
expand_moreCamshaft timing gear
Jeep gasoline V8 5.7 L EZH 347 HP 89.98 lbf⋅ft
Jeep gasoline V8 6.4 L ESG 461 HP 89.98 lbf⋅ft
All other modifications 73.76 lbf⋅ft
expand_moreChain tensioner
Jeep diesel V6 3.0 L EXF 188 HP 10.33 lbf⋅ft
Jeep diesel V6 3.0 L EXF 237 HP 10.33 lbf⋅ft
Jeep gasoline V8 5.7 L EZH 347 HP 8.11 lbf⋅ft
expand_moreControl drive chain guide rail
Jeep diesel V6 3.0 L EXF 188 HP 22.13 lbf⋅ft
Jeep diesel V6 3.0 L EXF 237 HP 22.13 lbf⋅ft
Jeep gasoline V8 5.7 L EZH 347 HP 8.11 lbf⋅ft
expand_moreControl drive chain tensioning rail
5.7 V8 4x4 with gasoline V8 5.7 L 347 HP engine (2010.11–) 8.11 lbf⋅ft
expand_moreTiming case cover
M10 40.57 lbf⋅ft
M6 8.85 lbf⋅ft
M8 18.44 lbf⋅ft
M10 40.57 lbf⋅ft
M8 20.65 lbf⋅ft
Jeep gasoline V8 6.4 L ESG 461 HP 20.65 lbf⋅ft
All other modifications 7.38 lbf⋅ft
expand_moreEngine lubrication
expand_moreOil drain plug
Jeep diesel V6 3.0 L EXF 188 HP 33.19 lbf⋅ft
Jeep diesel V6 3.0 L EXF 237 HP 33.19 lbf⋅ft
Jeep gasoline V8 5.7 L EZH 347 HP 25.08 lbf⋅ft
All other modifications 19.91 lbf⋅ft
Oil filter 18.44 lbf⋅ft
expand_moreOil filter housing
Oil filter cover 18.44 lbf⋅ft
expand_moreAll other modifications
M6 11.06 lbf⋅ft
M8 22.13 lbf⋅ft
expand_moreOil pump
Jeep gasoline V6 3.6 L ERB 282 HP 8.85 lbf⋅ft
Jeep gasoline V8 5.7 L EZH 347 HP 20.65 lbf⋅ft
Jeep gasoline V8 6.4 L ESG 461 HP 20.65 lbf⋅ft
All other modifications 10.33 lbf⋅ft
Oil pump chain wheel 18.44 lbf⋅ft
expand_moreOil sump
M10 40.57 lbf⋅ft
M6 8.11 lbf⋅ft
M8 18.44 lbf⋅ft
Jeep gasoline V8 5.7 L EZH 347 HP 8.85 lbf⋅ft
M10 39.83 lbf⋅ft
expand_moreM6
First stage 3.69 lbf⋅ft
Second stage 8.85 lbf⋅ft
expand_moreAll other modifications
First stage 11.06 lbf⋅ft
Second stage loosen by 90°
Third stage 11.06 lbf⋅ft
expand_moreEngine management
expand_moreCamshaft sensor
Jeep gasoline V6 3.6 L ERB 282 HP 6.64 lbf⋅ft
Jeep gasoline V8 5.7 L EZH 347 HP 8.85 lbf⋅ft
Jeep gasoline V8 6.4 L ESG 461 HP 8.85 lbf⋅ft
All other modifications 5.9 lbf⋅ft
expand_moreCrankshaft sensor
Jeep gasoline V6 3.6 L ERB 282 HP 8.85 lbf⋅ft
Jeep gasoline V8 5.7 L EZH 347 HP 8.85 lbf⋅ft
All other modifications 4.43 lbf⋅ft
expand_moreGlow plugs
Jeep diesel V6 3.0 L EXF 188 HP 8.11 lbf⋅ft
Jeep diesel V6 3.0 L EXF 237 HP 8.11 lbf⋅ft
expand_moreKnock sensor
Jeep gasoline V6 3.6 L ERB 282 HP 16.23 lbf⋅ft
Jeep gasoline V8 5.7 L EZH 347 HP 14.75 lbf⋅ft
Jeep gasoline V8 6.4 L ESG 461 HP 14.75 lbf⋅ft
expand_moreLambda sensor
Jeep diesel V6 3.0 L EXF 188 HP 30.24 lbf⋅ft
Jeep diesel V6 3.0 L EXF 237 HP 30.24 lbf⋅ft
All other modifications 36.88 lbf⋅ft
expand_moreEngine mounting
expand_moreEngine bracket
Jeep gasoline V8 5.7 L EZH 347 HP 70.07 lbf⋅ft
On the engine block 44.99 lbf⋅ft
expand_moreAll other modifications
expand_moreOn engine
M10 44.99 lbf⋅ft
expand_moreOn frame
M10 44.99 lbf⋅ft
expand_moreEngine mounting
Front 70.07 lbf⋅ft
Rear 39.83 lbf⋅ft
On engine bracket 44.25 lbf⋅ft
expand_moreAll other modifications
expand_moreOn engine bracket
M10 44.99 lbf⋅ft
expand_moreExhaust system
expand_moreCatalytic converter
At the cylinder head 16.96 lbf⋅ft
expand_moreExhaust manifold
Jeep gasoline V8 5.7 L EZH 347 HP 18.44 lbf⋅ft
At the cylinder head 22.86 lbf⋅ft
expand_moreAll other modifications
First stage 18.44 lbf⋅ft
Second stage 24.34 lbf⋅ft
expand_moreFuel supply
expand_moreFuel lines
expand_moreOn high-pressure pump
First stage 8.11 lbf⋅ft
Second stage 75°
expand_moreIgnition system
expand_moreSpark plugs
Jeep gasoline V6 3.6 L ERB 282 HP 13.28 lbf⋅ft
Jeep gasoline V8 5.7 L EZH 347 HP 11.0615.49 lbf⋅ft
Jeep gasoline V8 6.4 L ESG 461 HP 7.3814.75 lbf⋅ft
expand_moreStart system
expand_moreStarter
Jeep gasoline V8 6.4 L ESG 461 HP 50.15 lbf⋅ft
All other modifications 39.83 lbf⋅ft

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 2012 Jeep Grand Cherokee user's manual. Keep in mind that all information here is provided “as is” without any warranty of any kind.

Before doing any DIY service please check your insurance policy and Jeep warranty policy for your region. In some regions DIY service may invalidate your warranty.

Conquer your fears and never give up!

DIY car service is not as difficult as it looks like and it might save you thousands of dollars per year. It might be even fun and a good thing to do with your kids on a weekend to teach them how basic machinery works. It's really hard to screw something up and damage your car permanently if you use right tools, follow Jeep Grand Cherokee service manual and use right parts and fluids in prescribed amounts. Even modern cars stuffed with electronics can be serviced in your garage or even in your driveway. Changing engine oil, brake fluid, ATF, replacing brake pads, and etc. It's all may be done by yourself in a mater of a couple of hours.

Doing basic service for your 2012 Jeep Grand Cherokee you're not only saving money, but also also improving your technical skills and learning something new.

Jeep Grand Cherokee Fourth generation model years

Units:
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