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I need the crankshaft specifications for a 2002 Jeep liberty 3.7 engine

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  • Larry Griffin
    Larry Griffin May 10, 2017

    Sorry, I should have been more explanatory! I need the measurements for the main and rod bearing journals, the wear limits, and the bearing clearances.

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What kind of specifications? Weight? Length? Hardness? Bearing clearances? Other?

Posted on May 09, 2017

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Torque for main bearings on a 2002 3.7 ltr. liberty?


the book is free to read? KJ
chapter 9s
(7) Before installing bolts, lubricate the threads
with clean engine oil, wipe off any excess oil.
(8) Install main bearing bedplate to engine block
bolts 11, 17 and 20 finger tight. Tighten these bolts
down together until the bedplate contacts the cylinder
block.
(9) To ensure correct thrust bearing alignment,
perform the following steps:
² Step 1: Rotate crankshaft until number 4 piston
is at TDC.
² Step 2: Move crankshaft rearward to limits of
travel.
² Step 3: Then, move crankshaft forward to limits
of travel.
² Step 4: Wedge an appropriate tool between the
rear of the cylinder block (NOT BED PLATE) and
the rear crankshaft counterweight. This will hold the
crankshaft in it's furthest forward position.
² Step 5: Install and tighten bolts (1-10) in
sequence shown in (Fig. 49) to 41 N·m (30 ft. lbs.).
² Step 6: Remove wedge tool used to hold crankshaft.
(10) Tighten bolts (1-10) again to 41 N·m (30 ft.
lbs.) PLUS 1/4 turn in sequence shown in (Fig. 49).
(11) Install main bearing bedplate to engine block
bolts (11-20), and torque each bolt to 28 N·m (20 ft.
lbs.) in sequence shown in (Fig. 49).
(12) After the main bearing bedplate is installed,
check the crankshaft turning torque. The turning
torque should not exceed 5.6 N·m (50 in. lbs.).

why not just read the chapter, here.

http://colorado4wheel.com/manuals/Jeep/KJ/

Jan 17, 2017 | 2002 Jeep Liberty

1 Answer

2002 jeep liberty motor-2.4 chain driven component below crankshaft need to find if position matters and how to time


no photos. so help will limited .
all cam timing matters.
"not sure what does", the cam, crank, sprocket or pin?
The 2.4L inline 4 engine, is a throw back old Dodge Neons
DOHC engine ,a twin cam head.
2002 is first year, Liberty in USA>
is this the 2.4L turbo engine, EDZ engine.??
KJ jeep it is.
be nice to say what job your working? HOw'd you get here?
if you buy the service manual from jeep
chapter 9s, covers this 2.4 total engine, in one chapter.
but this engine cams are Belt drive. NOT CHAIN.
first post that it really is, this engine? or the VIN, or photos.

so you must be confused on that is there.
the other engine, the 3.7L is a V6 engine vastly different than the 4 banger.
it has chains.
covered in chapter 9- page 71 +
this v6 has a counterbalancer too.
i recommend reading the FSM book on this engine , after counting cylinder, 4 or 6? and reading chapters 9 or 9s.

see KJ 2002 here
RTM read the manual
seen here
http://colorado4wheel.com/manuals/Jeep/KJ/

Oct 29, 2016 | 2002 Jeep Liberty

2 Answers

Where is the crank sensor on a 2002 jeep liberty automatic?


Replace Jeep liberty CKP and CSP position sensor - YouTube

? 6:59
https://www.youtube.com/watch?v=rZIIJo6OHNM
Jul 16, 2014 - Uploaded by Daniel Richards
Detailed how to video on replacing your camshaft and crankshaftposition sensor on a 2006 Jeep Liberty 3 ...

2003 Jeep Liberty 3.7L Crankshaft Position Sensor - YouTube

? 5:35
https://www.youtube.com/watch?v=v_cV13GFDvk
Jan 11, 2012 - Uploaded by DeathScouter
2003 Jeep Liberty 3.7L Crankshaft Position Sensor .... There is ONE camshaft positioning sensor, and ONE ...

Dec 01, 2015 | Jeep Cars & Trucks

1 Answer

Heater only blows hot air intermittently.


Jeep Liberty heater not blowing hot air Questions & Answers ...

www.fixya.com > ... > heater not blowing hot air > Cars & Trucks > Jeep
Jeep Liberty cars & trucks heater not blowing hot air questions and answers. Ask your Jeep heater ... My 2005 Jeep Liberty will not blow heat through ... properly.

jeep liberty 2002 heat problem/hvac box issue - YouTube

? 3:12
https://www.youtube.com/watch?v=xf22fvcN1hU
May 28, 2013 - Uploaded by Joffre richer-desroches
Joffre richer-desroches. ... How To Install Replace Engine Coolant Thermostat and Housing 3.7L 2002 ...

Nov 01, 2015 | 2005 Jeep Liberty Sport

1 Answer

My jeep liberty 2002 stalls like hell can you help?


I'm not real familiar with how hell stalls. The hell that I have been through goes on and on and I WISH it would stall....LOL

With that said, Jeeps are known for bad crankshaft position sensors causing engine stalling.

Jun 16, 2012 | 2002 Jeep Liberty

1 Answer

Where is the thermostat located in a jeep liberty 2002


Please see my tip at http://www.fixya.com/cars/r5929960-s_thermostat . These are generic instructions. If you get stuck or need specific instructions for your car, please get back to me with model, year and engine info.

On the 2.4 liter engine, it's on the side of the engine block:

Nov 02, 2010 | 2002 Jeep Liberty

1 Answer

My mechanic Just replaced my blown 2002 3.7jeep liberty engine with a new 2003 3.7 jeep liberty crate moter. It won't turn over. He says no compression in any of the cylinders...(rocker arms too tight)...


Not much of an expert on this but heres a little pdf which should help a little if you wish to read up and do the work your self but it seems a little strange to have no compression. Please stay in touch and when i have more time i will do some fast learning about your specific engine. many thanks karl

Jul 06, 2010 | 2002 Jeep Liberty

1 Answer

Need timing marks for jeep liberty


necesito marcar jeep liberty 2002 3.7

May 19, 2009 | 2002 Jeep Liberty

1 Answer

2002 jeep liberty timming marks


you cant without proper computer tools

Jan 26, 2009 | 2002 Jeep Liberty

2 Answers

2002 Jeep Liberty shuts off


Could be a faulty fuel pump. As the pump warms up, when you have a faulty fuel pump they will tend to seize up. When it fails check the fuel pressure with a fuel pressure gauge and see what it reads.

Aug 14, 2008 | 2002 Jeep Liberty

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