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AAL = Add A Leaf (to the spring pack)

 

ABS = Antilock Brake System

 

AFAIK = As Far As I Know

 

AMC 20 = American Motors Model 20 axle (rear, used on the '86 MJ with metric ton suspension)

 

AX-4 = 4-speed manual transmission (early 4-cyl XJ and MJ)

 

AX-5 = 5-speed manual transmission (4-cyl and 2.8L V6 XJ and MJ)

 

AX-15 = 5-speed manual transmission (mid-89 - 1999 XJ and MJ 4.0L)

 

AW4 = Aisin-Warner 4-speed automatic transmission (XJ and MJ w/ 4.0L engine)

 

BA 10/5 = 5- speed manual transmission (87 to mid-89 XJ and MJ 4.0L)

 

BFH = Big Friggin' Hammer

 

BS = Back Spacing

 

CAD = Central Axle Disconnect

 

CPS = Crankshaft Position Sensor

 

CTS = Coolant Temperature Sensor

 

D30 = Dana 30 axle (front, in an XJ or MJ)

 

D35 = Dana 35 axle (rear, in an XJ or MJ)

 

D44 = Dana 44 axle (rear, in an XJ or MJ)

 

DD = Daily Driver

 

DS = Drive Shaft

 

DW = Death Wobble

 

ECU = Engine Control Unit (the engine computer on earlier XJs and MJs)

 

EFI = Electronic Fuel Injection

 

EGR = Exhaust Gas Recirculating Valve (used with early XJ & MJ engines thru 1990)

 

FSM = Factory Service Manual

 

FWIW = For What It's Worth

 

HO = High Output (post-1990 4.0L motor with new EFI)

 

HP = High Pinion

 

IMHO = In My Honest [Humble] Opinion

 

IMO = In My Opinion

 

IIRC = If I Remember Correctly

 

LCA = Lower Control Arm (part of front suspension)

 

LMAO = Laughing My A$$ Off

 

LP = Low Pinion

 

LSD = Limited Slip Differential (see "Trac-Lok")

 

LWB = Long Wheel Base

 

MAP = Manifold Absolute Pressure sensor

 

MJ = Jeep Comanche

 

MPI = Multi-Port Injection

 

NSS = Neutral Safety Switch (automatic transmissions only)

 

OBDI = first generation On-Board Diagnostics (also OBD)

 

OBDII = second generation On-Board Diagnostics

 

O2 Sensor = Oxygen sensor

 

PCM = Powertrain Control Module (the engine computer on newer XJs and MJs)

 

Renix = RENault/bendIX (AMC's source for the ignition & injection system used in the 87 - 90 XJ and MJ )

 

SOA = Spring Over Axle (rear suspension conversion for MJ, OEM configuration for XJ)

 

SUA = Spring Under Axle (OEM rear suspension configuration for MJ)

 

SWB = Short Wheel Base

 

SYE = Slip Yoke Eliminator

 

TB = Track Bar (part of front suspension/steering system)

 

TBI = Throttle Body Injection

 

TIA = Thanks In Advance

 

TPS = Throttle Position Sensor

 

TRE = Tie Rod End

 

TCU = Transmission Control Unit

 

Trac-Lok = Jeep factory optional limited slip differential

 

UCA = Upper Control Arm (part of front suspension)

 

XJ = Jeep Cherokee

 

------------------------------------------

Additions from SummerinMaine and BLHTAZ added. Thanks.

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AAL = Add A Leaf (to the spring pack)

BFH = Big Friggin Hammer

BS = Back Spacing

DD = Daily Driver

DS = Drive Shaft

DW = Death Wobble

EFI = Electronic Fuel Injection

FSM = Factory Service Manual

HO = High Output (post-1990 4.0L motor with new EFI)

HP = High Pinion

LP = Low Pinion

LWB = Long Wheel Base

MAP = Manifold Absolute Pressure sensor

MPI = Multi-Port Injection

OBDI = first generation On-Board Diagnostics Pre 1996

OBDII = second generation On-Board DiagnosticsPost 1996

SWB = Short Wheel Base

SYE = Slip Yoke Eliminator

TBI = Throttle Body Injection

TPS = Throttle Position Sensor

TRE = Tie Rod End

 

*EDIT

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TB = Track Bar (part of front suspension/steering system)

 

I commonly use TB for Throttle Body instead of Track Bar

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You should also list all the other Jeep 2 letter codes for the help of parts interchangability, like WJ, YJ, TJ, KJ... etc, and all the years those models were refered to as that. I,m a jeep dealership tech, and I still get them confused sometimes.

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This is a basic list without going in to all the sub-catagories of the CJ & FSJ's...

 

CJ - 1941 - 1986

DJ - 1954 - 1982 ??years

SJ - 1963 - 1986 ??years

FJ - 1961 - 1965

MJ - 1986 - 1992 (Comanche)

XJ - 1984 - 2001 (Cherokee)

YJ - 1987 - 1995 (Wrangler)

TJ - 1997 - 2006 (Wrangler)

JK - 2007 - present (Wrangler)

ZJ - 1993 - 1998 (Grand Cherokee)

WJ - 1999 - 2004 (Grand Cherokee)

WK - 2005 - present (Grand Cherokee)

KJ - 2002 - 2007 (Liberty)

KK - 2008 - present (Liberty)

MK - 2007 - present (Compass / Patriot)

XK - 2006 - present (Comander)

 

 

This is the basic list I have in my head from being in dealership parts for several years. :cheers:

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YJ - 1987 - 1995 (Wrangler)

TJ - 1997 - 2006 (Wrangler)

 

They didn't make Wranglers in 1996? :nuts:

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YJ - 1987 - 1995 (Wrangler)

TJ - 1997 - 2006 (Wrangler)

 

They didn't make Wranglers in 1996? :nuts:

Nope...no Wranglers in 1996. They were in the process of switching from the YJ to the TJ going from leaf springs to coils and many other changes so they took a year off and introduced the TJ as a 1997.

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This is a basic list without going in to all the sub-catagories of the CJ & FSJ's...

 

CJ - 1941 - 1986

DJ - 1954 - 1982 ??years

SJ - 1963 - 1991 ??years EDIT

FJ - 1961 - 1965

MJ - 1986 - 1992 (Comanche)

XJ - 1984 - 2001 (Cherokee)

YJ - 1987 - 1995 (Wrangler)

TJ - 1997 - 2006 (Wrangler)

JK - 2007 - present (Wrangler)

ZJ - 1993 - 1998 (Grand Cherokee)

WJ - 1999 - 2004 (Grand Cherokee)

WK - 2005 - present (Grand Cherokee)

KJ - 2002 - 2007 (Liberty)

KK - 2008 - present (Liberty)

MK - 2007 - present (Compass / Patriot)

XK - 2006 - present (Comander)

 

 

This is the basic list I have in my head from being in dealership parts for several years. :cheers:

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How about wheel bolt patterns:

 

CJ - 1941 - 1986 5 on 5.5

DJ - 1954 - 1982 ??years 5 on 5.5??

SJ - 1963 - 1991 ??years EDIT 6 on 5.5

FJ - 1961 - 1965 (Forward Control)??bolt pattern

MJ - 1986 - 1992 (Comanche) 5 on 4.5

XJ - 1984 - 2001 (Cherokee) 5 on 4.5

YJ - 1987 - 1995 (Wrangler) 5 on 4.5

TJ - 1997 - 2006 (Wrangler) 5 on 4.5

JK - 2007 - present (Wrangler) 5 on 5

ZJ - 1993 - 1998 (Grand Cherokee) 5 on 4.5

WJ - 1999 - 2004 (Grand Cherokee) 5 on 5

WK - 2005 - present (Grand Cherokee) 5 on 5

KJ - 2002 - 2007 (Liberty) 5 on 4.5

KK - 2008 - present (Liberty) 5 on 5

MK - 2007 - present (Compass / Patriot) 5 on 4.5??

XK - 2006 - present (Comander) 5 on 5

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I believe the CJ designation wasn't used until 1945, for the CJ-2. 1941-45 were MA and MB . MA was the original designation used by Willys when they submitted the prototype for evaluation to the Army. It was changed to MB when it went into production for the military. CJ stands for civilian Jeep.

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they don't really mean anything in particular. Just corporate designations for the various models. :thumbsup:

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I've heard the CJ designation didn't originally stand for Civilian Jeep. It was just a designation they gave it that had no particular meaning. Multiple people who work or worked for Jeep told me this. One of which worked there quite a long time ago. I don't know how much truth there is to it, but these people told me this without me leading them that way.

 

Who knows anymore, it was so long ago, I doubt there is a concrete answer.

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JEEP

 

Jumps Excitedly in Every Pothole :banana:

Junked Electrical & Emissions Parts

Just Everyone Elses Parts

Just Eats Every Part

Just Empty Every Pocket

Just Enough Engine Power

Just Enough Education to Perform :smart:

Just Expect Every Problem :thumbsup:

Just Eat Every Payment

Jeez!!!! End the Expenses Please!!!! :wall:

Just Extract Extra Petroleum

Jettison Every Extra Part

Just eat every pu$$%

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