2011 Jeep Wrangler engine fastener tightening specifications

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Condition	Value

expand_moreAir intake system

expand_moreIntake manifold


Jeep diesel straight-4 2.8 L ENS 174 HP	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreJeep gasoline V6 3.8 L EGT 196 HP


Screws at the cylinder head	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Tighten crosswise from inside to outside.
Top screws	8.85 lbf⋅ft8.85 lbf⋅ft12 N⋅m
Tighten crosswise from inside to outside.


Jeep gasoline V6 3.6 L ERB 280 HP	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_moreAuxiliary assemblies

expand_moreAuxiliary drive belt deflection pulley


Jeep diesel straight-4 2.8 L ENS 174 HP	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
Jeep gasoline V6 3.6 L ERB 280 HP	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAuxiliary drive belt tensioner


Jeep diesel straight-4 2.8 L ENS 174 HP	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m
Jeep gasoline V6 3.8 L EGT 196 HP	44.99 lbf⋅ft44.99 lbf⋅ft61 N⋅m

expand_moreJeep gasoline V6 3.6 L ERB 280 HP


With hydraulic tensioning device	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
With mechanical tensioning device	24.34 lbf⋅ft24.34 lbf⋅ft33 N⋅m

expand_moreAuxiliary drive belt tensioner


2.8 CRD with diesel straight-4 2.8 L 174 HP engine (2007.4–)	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m

expand_moreAir-conditioning compressor


Jeep diesel straight-4 2.8 L ENS 174 HP	23.6 lbf⋅ft23.6 lbf⋅ft32 N⋅m
Jeep gasoline V6 3.8 L EGT 196 HP	20.65 lbf⋅ft20.65 lbf⋅ft28 N⋅m

expand_moreJeep gasoline V6 3.6 L ERB 280 HP


M8	20.65 lbf⋅ft20.65 lbf⋅ft28 N⋅m


Air-conditioning compressor pressure line	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreAlternator


Jeep diesel straight-4 2.8 L ENS 174 HP	24.34 lbf⋅ft24.34 lbf⋅ft33 N⋅m
Jeep gasoline V6 3.8 L EGT 196 HP	39.83 lbf⋅ft39.83 lbf⋅ft54 N⋅m

expand_moreJeep gasoline V6 3.6 L ERB 280 HP


Lower mounting	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Upper fastening	39.83 lbf⋅ft39.83 lbf⋅ft54 N⋅m


Hydraulic lines at the servo-steering pump	22.86 lbf⋅ft22.86 lbf⋅ft31 N⋅m

expand_moreServo pump pulley


2.8 CRD with diesel straight-4 2.8 L 174 HP engine (2007.4–)	24.34 lbf⋅ft24.34 lbf⋅ft33 N⋅m

expand_moreServo steering pump


Jeep diesel straight-4 2.8 L ENS 174 HP	24.34 lbf⋅ft24.34 lbf⋅ft33 N⋅m
Jeep gasoline V6 3.8 L EGT 196 HP	19.18 lbf⋅ft19.18 lbf⋅ft26 N⋅m
Jeep gasoline V6 3.6 L ERB 280 HP	17.7 lbf⋅ft17.7 lbf⋅ft24 N⋅m

expand_moreCarburetion

expand_moreFuel-distributing pipe

expand_moreJeep diesel straight-4 2.8 L ENS 174 HP


Nuts at the cylinder head	17.7 lbf⋅ft17.7 lbf⋅ft24 N⋅m
Fuel lines union nuts	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m


Jeep gasoline V6 3.6 L ERB 280 HP	5.16 lbf⋅ft5.16 lbf⋅ft7 N⋅m

expand_moreHigh-pressure pump pulley


2.8 CRD with diesel straight-4 2.8 L 174 HP engine (2007.4–)	64.91 lbf⋅ft64.91 lbf⋅ft88 N⋅m

expand_moreInjection hoses

expand_more2.8 CRD with diesel straight-4 2.8 L 174 HP engine (2007.4–)


On fuel-distributing pipe	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreInjection nozzle (injector)

expand_more2.8 CRD with diesel straight-4 2.8 L 174 HP engine (2007.4–)


Fuel lines union nuts	20.65 lbf⋅ft20.65 lbf⋅ft28 N⋅m
Retaining clamp	24.34 lbf⋅ft24.34 lbf⋅ft33 N⋅m

expand_moreInjection pump

expand_more2.8 CRD with diesel straight-4 2.8 L 174 HP engine (2007.4–)

expand_moreBanjo screws


Fuel lines	20.65 lbf⋅ft20.65 lbf⋅ft28 N⋅m


Fuel lines union nuts	20.65 lbf⋅ft20.65 lbf⋅ft28 N⋅m
Nuts	17.7 lbf⋅ft17.7 lbf⋅ft24 N⋅m

expand_moreCooling system

expand_moreCoolant pump


Jeep diesel straight-4 2.8 L ENS 174 HP	17.7 lbf⋅ft17.7 lbf⋅ft24 N⋅m
Jeep gasoline V6 3.8 L EGT 196 HP	8.85 lbf⋅ft8.85 lbf⋅ft12 N⋅m

expand_moreJeep gasoline V6 3.6 L ERB 280 HP


M10	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m
M6	8.85 lbf⋅ft8.85 lbf⋅ft12 N⋅m
M8	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreCoolant pump pulley


3.8 with gasoline V6 3.8 L 196 HP engine (2007.4–)	20.65 lbf⋅ft20.65 lbf⋅ft28 N⋅m

expand_moreCylinder head

expand_moreCamshaft bearing

Figure 1. Cylinder head, Camshaft bearing.


Jeep diesel straight-4 2.8 L ENS 174 HP	8.11 lbf⋅ft8.11 lbf⋅ft11 N⋅m
Replace screws. See figure 1.

expand_moreJeep gasoline V6 3.6 L ERB 280 HP


First stage	1.48 lbf⋅ft1.48 lbf⋅ft2 N⋅m
Replace screws.
Second stage	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreCylinder head screws

expand_moreJeep diesel straight-4 2.8 L ENS 174 HP

Figure 2. Cylinder head, Cylinder head screws, Jeep diesel straight-4 2.8 L ENS 174 HP.


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace screws. See figure 2.
Second stage	85°85°85°
Third stage	85°85°85°
Fourth stage	85°85°85°

expand_moreJeep gasoline V6 3.8 L EGT 196 HP

Figure 3. Cylinder head, Cylinder head screws, Jeep gasoline V6 3.8 L EGT 196 HP.


First stage	44.99 lbf⋅ft44.99 lbf⋅ft61 N⋅m
See figure 3.
Second stage	64.91 lbf⋅ft64.91 lbf⋅ft88 N⋅m
Third stage	64.91 lbf⋅ft64.91 lbf⋅ft88 N⋅m
Fourth stage	90°90°90°

expand_moreJeep gasoline V6 3.6 L ERB 280 HP

Figure 4. Cylinder head, Cylinder head screws, Jeep gasoline V6 3.6 L ERB 280 HP.


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Heed bolt length. See figure 4.
Second stage	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
Third stage	75°75°75°
Fourth stage	50°50°50°
Fifth stage	Loosen all screws
Sixth stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Seventh stage	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
Eighth stage	70°70°70°
Ninth stage	70°70°70°

expand_moreRocker bridge


3.8 with gasoline V6 3.8 L 196 HP engine (2007.4–)	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreValve cover


Jeep diesel straight-4 2.8 L ENS 174 HP	8.11 lbf⋅ft8.11 lbf⋅ft11 N⋅m
Jeep gasoline V6 3.8 L EGT 196 HP	8.85 lbf⋅ft8.85 lbf⋅ft12 N⋅m
Jeep gasoline V6 3.6 L ERB 280 HP	8.85 lbf⋅ft8.85 lbf⋅ft12 N⋅m

expand_moreValve cover locking screws


2.8 CRD with diesel straight-4 2.8 L 174 HP engine (2007.4–)	79.66 lbf⋅ft79.66 lbf⋅ft108 N⋅m

expand_moreEngine block

expand_moreConnecting rod bearing

expand_moreJeep diesel straight-4 2.8 L ENS 174 HP


First stage	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Second stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Third stage	60°60°60°
Fourth stage	64.91 lbf⋅ft64.91 lbf⋅ft88 N⋅m

expand_moreJeep gasoline V6 3.8 L EGT 196 HP

expand_moreNuts


First stage	39.83 lbf⋅ft39.83 lbf⋅ft54 N⋅m
Second stage	90°90°90°

expand_moreStud screws


First stage	5.16 lbf⋅ft5.16 lbf⋅ft7 N⋅m
Second stage	15.49 lbf⋅ft15.49 lbf⋅ft21 N⋅m
Third stage	90°90°90°

expand_moreJeep gasoline V6 3.6 L ERB 280 HP


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace screws.
Second stage	90°90°90°

expand_moreCrankshaft central screws

expand_moreJeep diesel straight-4 2.8 L ENS 174 HP


First stage	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
Left-hand thread
Second stage	75°75°75°


Jeep gasoline V6 3.8 L EGT 196 HP	39.83 lbf⋅ft39.83 lbf⋅ft54 N⋅m

expand_moreJeep gasoline V6 3.6 L ERB 280 HP


First stage	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Replace screws.
Second stage	105°105°105°

expand_moreCrankshaft pulley


2.8 CRD with diesel straight-4 2.8 L 174 HP engine (2007.4–)	23.6 lbf⋅ft23.6 lbf⋅ft32 N⋅m

expand_moreDrive plate


Jeep diesel straight-4 2.8 L ENS 174 HP	55.32 lbf⋅ft55.32 lbf⋅ft75 N⋅m
Jeep gasoline V6 3.8 L EGT 196 HP	70.07 lbf⋅ft70.07 lbf⋅ft95 N⋅m
Jeep gasoline V6 3.6 L ERB 280 HP	70.07 lbf⋅ft70.07 lbf⋅ft95 N⋅m
Use new screws and tighten them crosswise.

expand_moreFlywheel


Jeep diesel straight-4 2.8 L ENS 174 HP	70.07 lbf⋅ft70.07 lbf⋅ft95 N⋅m
Use new screws.
Jeep gasoline V6 3.8 L EGT 196 HP	59.74 lbf⋅ft59.74 lbf⋅ft81 N⋅m
Replace screws.

expand_moreJeep gasoline V6 3.6 L ERB 280 HP


First stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Use new screws and tighten them crosswise.
Second stage	Loosen screw(s).

expand_more40 mm screws


Third stage	60°60°60°

expand_more50 mm screws


Third stage	75°75°75°

expand_more60 mm screws


Third stage	90°90°90°

expand_moreMain bearing

expand_moreJeep diesel straight-4 2.8 L ENS 174 HP


First stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Second stage	90°90°90°

expand_moreJeep gasoline V6 3.8 L EGT 196 HP

expand_moreScrews

expand_moreInside


First stage	30.24 lbf⋅ft30.24 lbf⋅ft41 N⋅m
Second stage	90°90°90°


Lateral-fitting	44.99 lbf⋅ft44.99 lbf⋅ft61 N⋅m
Use new screws.

expand_moreJeep gasoline V6 3.6 L ERB 280 HP

expand_moreM11


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Second stage	90°90°90°

expand_moreM8


First stage	15.49 lbf⋅ft15.49 lbf⋅ft21 N⋅m
Replace screws.
Second stage	90°90°90°


Lateral-fitting screws (M8)	20.65 lbf⋅ft20.65 lbf⋅ft28 N⋅m

expand_moreVibration damper


2.8 CRD with diesel straight-4 2.8 L 174 HP engine (2007.4–)	20.65 lbf⋅ft20.65 lbf⋅ft28 N⋅m

expand_moreEngine control

expand_moreCamshaft adjuster


3.6 V6 with gasoline V6 3.6 L 280 HP engine (2011.10–)	110.63 lbf⋅ft110.63 lbf⋅ft150 N⋅m

expand_moreCamshaft timing gear


Jeep diesel straight-4 2.8 L ENS 174 HP	47.2 lbf⋅ft47.2 lbf⋅ft64 N⋅m
Jeep gasoline V6 3.8 L EGT 196 HP	39.83 lbf⋅ft39.83 lbf⋅ft54 N⋅m

expand_moreChain tensioner


3.6 V6 with gasoline V6 3.6 L 280 HP engine (2011.10–)	8.85 lbf⋅ft8.85 lbf⋅ft12 N⋅m

expand_moreControl drive chain guide rail


3.6 V6 with gasoline V6 3.6 L 280 HP engine (2011.10–)	8.85 lbf⋅ft8.85 lbf⋅ft12 N⋅m

expand_moreControl drive chain tensioning rail


3.6 V6 with gasoline V6 3.6 L 280 HP engine (2011.10–)	8.85 lbf⋅ft8.85 lbf⋅ft12 N⋅m

expand_moreTiming case cover

expand_moreAll Jeep gasoline V6 3.8 L EGT engines


M10 screws	39.83 lbf⋅ft39.83 lbf⋅ft54 N⋅m
M8 screws	19.91 lbf⋅ft19.91 lbf⋅ft27 N⋅m


All Jeep gasoline V6 3.6 L ERB engines	8.85 lbf⋅ft8.85 lbf⋅ft12 N⋅m

expand_moreToothed belt guard


2.8 CRD with diesel straight-4 2.8 L 174 HP engine (2007.4–)	4.43 lbf⋅ft4.43 lbf⋅ft6 N⋅m

expand_moreToothed belt guard at the bottom


2.8 CRD with diesel straight-4 2.8 L 174 HP engine (2007.4–)	8.11 lbf⋅ft8.11 lbf⋅ft11 N⋅m

expand_moreToothed belt guard at the top


2.8 CRD with diesel straight-4 2.8 L 174 HP engine (2007.4–)	8.11 lbf⋅ft8.11 lbf⋅ft11 N⋅m

expand_moreToothed belt tensioning roller


2.8 CRD with diesel straight-4 2.8 L 174 HP engine (2007.4–)	20.65 lbf⋅ft20.65 lbf⋅ft28 N⋅m

expand_moreEngine lubrication

expand_moreOil drain plug

expand_moreJeep diesel straight-4 2.8 L ENS 174 HP


Engine oil	39.83 lbf⋅ft39.83 lbf⋅ft54 N⋅m

expand_moreJeep gasoline V6 3.8 L EGT 196 HP


Engine oil	19.91 lbf⋅ft19.91 lbf⋅ft27 N⋅m

expand_moreJeep gasoline V6 3.6 L ERB 280 HP


M14	19.91 lbf⋅ft19.91 lbf⋅ft27 N⋅m

expand_moreOil filter housing

expand_more3.6 V6 with gasoline V6 3.6 L 280 HP engine (2011.10–)


Oil filter cover	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
On the engine block	8.85 lbf⋅ft8.85 lbf⋅ft12 N⋅m

expand_moreOil pump


3.6 V6 with gasoline V6 3.6 L 280 HP engine (2011.10–)	8.85 lbf⋅ft8.85 lbf⋅ft12 N⋅m

expand_moreOil pump chain wheel


3.6 V6 with gasoline V6 3.6 L 280 HP engine (2011.10–)	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreOil sump

expand_moreJeep diesel straight-4 2.8 L ENS 174 HP

expand_moreOil sump top part


M6	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
M8	23.6 lbf⋅ft23.6 lbf⋅ft32 N⋅m

expand_moreOil sump lower part


First stage	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Second stage	loosen by 90°
Third stage	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m


Jeep gasoline V6 3.8 L EGT 196 HP	8.85 lbf⋅ft8.85 lbf⋅ft12 N⋅m

expand_moreJeep gasoline V6 3.6 L ERB 280 HP

expand_moreOil sump top part


M8	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
M10	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m


Oil sump lower part	8.11 lbf⋅ft8.11 lbf⋅ft11 N⋅m

expand_moreEngine management

expand_moreCamshaft sensor


Jeep diesel straight-4 2.8 L ENS 174 HP	8.11 lbf⋅ft8.11 lbf⋅ft11 N⋅m
Jeep gasoline V6 3.8 L EGT 196 HP	10.33 lbf⋅ft10.33 lbf⋅ft14 N⋅m
Jeep gasoline V6 3.6 L ERB 280 HP	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreCrankshaft sensor


Jeep diesel straight-4 2.8 L ENS 174 HP	8.11 lbf⋅ft8.11 lbf⋅ft11 N⋅m
Jeep gasoline V6 3.6 L ERB 280 HP	8.85 lbf⋅ft8.85 lbf⋅ft12 N⋅m

expand_moreGlow plugs


2.8 CRD with diesel straight-4 2.8 L 174 HP engine (2007.4–)	10.33 lbf⋅ft10.33 lbf⋅ft14 N⋅m

expand_moreKnock sensor


3.8 with gasoline V6 3.8 L 196 HP engine (2007.4–)	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreLambda sensor


All Jeep gasoline V6 3.8 L EGT engines	19.91 lbf⋅ft19.91 lbf⋅ft27 N⋅m
All Jeep gasoline V6 3.6 L ERB engines	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m

expand_moreEngine mounting

expand_moreEngine bracket

expand_moreJeep diesel straight-4 2.8 L ENS 174 HP


Front	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m


Jeep gasoline V6 3.6 L ERB 280 HP	44.99 lbf⋅ft44.99 lbf⋅ft61 N⋅m

expand_moreEngine mounting


Jeep diesel straight-4 2.8 L ENS 174 HP	39.83 lbf⋅ft39.83 lbf⋅ft54 N⋅m
Jeep gasoline V6 3.6 L ERB 280 HP	44.99 lbf⋅ft44.99 lbf⋅ft61 N⋅m

expand_moreExhaust system

expand_moreExhaust manifold


Jeep diesel straight-4 2.8 L ENS 174 HP	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m

expand_moreJeep gasoline V6 3.8 L EGT 196 HP


Heat shields	8.85 lbf⋅ft8.85 lbf⋅ft12 N⋅m
Otherwise	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreExhaust pipe


3.8 with gasoline V6 3.8 L 196 HP engine (2007.4–)	30.24 lbf⋅ft30.24 lbf⋅ft41 N⋅m

expand_moreIgnition system

expand_moreSpark plugs


All Jeep gasoline V6 3.8 L EGT engines	11.8 lbf⋅ft11.8 lbf⋅ft16 N⋅m
All Jeep gasoline V6 3.6 L ERB engines	13.28 lbf⋅ft13.28 lbf⋅ft18 N⋅m

expand_moreStart system

expand_moreStarter


Jeep diesel straight-4 2.8 L ENS 174 HP	50.15 lbf⋅ft50.15 lbf⋅ft68 N⋅m
Jeep gasoline V6 3.8 L EGT 196 HP	39.83 lbf⋅ft39.83 lbf⋅ft54 N⋅m
Jeep gasoline V6 3.6 L ERB 280 HP	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 2011 Jeep Wrangler 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.

Maintenance Items

Engine Fastener Tightening Specifications
Front Suspension Fastener Tightening Specifications
Rear Suspension Fastener Tightening Specifications
Transmission Fastener Tightening Specifications

Service Intervals

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 Wrangler 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 2011 Jeep Wrangler you're not only saving money, but also also improving your technical skills and learning something new.

2011 Jeep Wrangler Third generation Engine Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

Jeep Wrangler Third generation model years

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