Technical Service Bulletins (TSBs) for the 2008 Commander are official communications between Jeep & their dealerships that describe processes for troubleshooting or fixing certain common problems. All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.

    ENGINE (PWS)

    • TSB #21-022-14

      Date Announced:
      JUL 10, 2014
      NHTSA ID:
      #10141220

      4WD Lamp Illuminated and Diagnostic Trouble Code C140F Active in Final Drive Control Modules (FDCM) Memory This bulletin involves verifying FDCM software level and then flash reprogramming of the FDCM with new software. Read More »

    • TSB #09-001-13

      Date Announced:
      FEB 06, 2013
      NHTSA ID:
      #10128948

      Gasoline Engine Diagnostic Inspection Procedure This bulletin provides a procedure to determine repair versus replacement of a gasoline long block engine assembly. Read More »

    ENGINE AND ENGINE COOLING

    • TSB #R2118796A

      Date Announced:
      FEB 26, 2016
      NHTSA ID:
      #10191460

      Valve Body. These may cause over drive cycling. Read More »

    • TSB #RL108213A$

      Date Announced:
      JAN 26, 2016
      NHTSA ID:
      #10121927

      NAG1 (5A580) Valve Body As per Warranty Bulletin D-13-22, please use R2108213A$ valve body for all Warranty (W), Mopar (M) and Mopar Vehicle Protection (F) claims.~ Assembly also includes Filter (52108325AA) and Gasket (52108332AA). Read More »

    • TSB #9003215

      Date Announced:
      FEB 12, 2015
      NHTSA ID:
      #10223602

      Part Description: 5.7L Long Block Issue Description: This 5.7L Long Block Assembly is compatible with both EGR and Non-EGR applications. Read More »

    • TSB #9003215

      Date Announced:
      FEB 12, 2015
      NHTSA ID:
      #10229181

      Part Description: 5.7L Long Block Issue Description: This 5.7L Long Block Assembly is compatible with both EGR and Non-EGR applications. Read More »

    • TSB #9002887

      Date Announced:
      FEB 11, 2015
      NHTSA ID:
      #10223599

      Part Description: Valve Body Assembly Issue Description: Valve body design was changed between 2010MY and 2011MY applications. To prevent mix matching valve bodies and solenoid packs the connectors are color coded. Read More »

    ENGINE AND ENGINE COOLING:ENGINE

    • TSB #1804407

      Date Announced:
      OCT 12, 2007
      NHTSA ID:
      #10023422

      MIL ILLUMINATION DUE TO DIAGNOSTIC TROUBLE CODE (DTC) P0524 - ENGINE OIL PRESSURE TOO LOW. *KB Read More »

    • TSB #0900407

      Date Announced:
      SEP 25, 2007
      NHTSA ID:
      #10023165

      ENGINE CRANKS BUT WILL NOT START AND APPLIES TO VEHICLES EQUIPPED WITH A 3.0L DIESEL ENGINE. *NJ Read More »

    ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

    • TSB #09-001-13

      Date Announced:
      FEB 06, 2013
      NHTSA ID:
      #10138987

      Gasoline Engine Diagnostic Inspection Procedure This bulletin provides a procedure to determine repair versus replacement of a gasoline long block engine assembly. Read More »

    • TSB #09-001-13

      Date Announced:
      FEB 06, 2013
      NHTSA ID:
      #10140065

      Gasoline Engine Diagnostic Inspection Procedure This bulletin provides a procedure to determine repair versus replacement of a gasoline long block engine assembly. Read More »

    ENGINE AND ENGINE COOLING:ENGINE:DIESEL

    ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

    • TSB #SB-J19

      Date Announced:
      AUG 01, 2009
      NHTSA ID:
      #10032766

      CHRYSLER/JEEP/DODGE: CALIFORNIA EMISSIONS WARRANTY ADDENDUM. THE WARRANTY BOOK ON CERTAIN VEHICLES MAY CONTAIN ERRORS OR MAY BE MISSING INFORMATION REGARDING THE COPONENTS COVERED BY THE CALIFORNIA EMISSIONS WARRANTY. Read More »

    POWER TRAIN

    • TSB #9004009

      Date Announced:
      APR 07, 2021
      NHTSA ID:
      #10221097

      Transmission Kit with Torque Converter 1. All Promaster (VF) 3.6L/62TE equipped vehicles. If the transmission bracket to the transmission case fasteners are removed during servicing, the fasteners (Part Number 06511385A$) are one-time ... Read More »

    • TSB #9004361

      Date Announced:
      MAR 31, 2021
      NHTSA ID:
      #10190590

      NAG1 Transmission Before installing the transmission with the engine, check for dowel pins (2) for alignment. Read More »

    • TSB #9004361

      Date Announced:
      MAR 31, 2021
      NHTSA ID:
      #10220843

      NAG1 Transmission Before installing the transmission with the engine, check for dowel pins (2) for alignment. Read More »

    • TSB #9001784

      Date Announced:
      FEB 22, 2021
      NHTSA ID:
      #10220471

      Mechanical rocker arm, intake, 1.7 ratio. Read More »

    • TSB #21-022-14 REV. A

      Date Announced:
      JUL 29, 2014
      NHTSA ID:
      #10217727

      4WD Lamp Illuminated and Diagnostic Trouble Code C140F Active in Final Drive Control Modules (FDCM) Memory This bulletin involves verifying FDCM software level and then flash reprogramming of the FDCM with new software. Read More »

    • TSB #21-022-14

      Date Announced:
      JUL 10, 2014
      NHTSA ID:
      #10217705

      4WD Lamp Illuminated and Diagnostic Trouble Code C140F Active in Final Drive Control Modules (FDCM) Memory This bulletin involves verifying FDCM software level and then flash reprogramming of the FDCM with new software. Read More »

    POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)

    • TSB #CSN-P-73

      Date Announced:
      MAY 01, 2015
      NHTSA ID:
      #10058278

      FIAT CHRYSLER: TSB HAS AN OWNER NOTIFICATION LETTER. SELECT DOCUMENT SEARCH BUTTON BELOW. WHEN SHIFTING OUT OF CURRENT SELECTED MODE, FINAL DRIVE CONTROL MODULE (FDCM) SOFTWARE CAUSES SERVICE 4WD LIGHT TO ILLUMINATE AND SWITCHING OUT ... Read More »

    • TSB #N23050813

      Date Announced:
      MAY 08, 2013
      NHTSA ID:
      #10188696

      New Safety Recall Advanced Communication ? N23050813 Chrysler Group LLC (Chrysler) announced a safety recall on certain 2005 - 2010 model year (WK) Jeep Grand Cherokee and (XK) Jeep Commander vehicles equipped with a Quadra-Drive II or ... Read More »

    ELECTRICAL SYSTEM

    • TSB #9100226

      Date Announced:
      SEP 15, 2023
      NHTSA ID:
      #10248509

      Connector kit Before ordering this connector repair kit 68018957A$, check it in the Mopar Connector Repair Kit Website to confirm part number and applicability. Read More »

    • TSB #08-049-20

      Date Announced:
      APR 22, 2020
      NHTSA ID:
      #10175735

      Charging System, Battery Diagnostic Tools and Warranty This information only bulletin discusses using the correct test equipment for testing batteries and charging systems, and also warranty reimbursement when battery replacements are ... Read More »

    • TSB #08-052-16

      Date Announced:
      APR 30, 2016
      NHTSA ID:
      #10076509

      SUBJECT: Flash: UConnect and Voice Recognition Inoperative SYMPTOM/CONDITION: The customer may describe the following conditions: ? A complete loss of UConnect operation. Read More »

    • TSB #08-052-16

      Date Announced:
      APR 30, 2016
      NHTSA ID:
      #10140258

      Flash: UConnect and Voice Recognition Inoperative This bulletin involves replacing the Hands Free Module (HFM). The customer may describe the following conditions: ? A complete loss of UConnect operation. Read More »

    • TSB #08-052-16

      Date Announced:
      APR 30, 2016
      NHTSA ID:
      #10218307

      Flash: UConnect and Voice Recognition Inoperative This bulletin involves replacing the Hands Free Module (HFM). The customer may describe the following conditions: ? A complete loss of UConnect operation. Read More »

    • TSB #P73

      Date Announced:
      MAY 01, 2015
      NHTSA ID:
      #10148868

      Customer Satisfaction Notification P73 Reprogram Final Drive Control Module: The Final Drive Control Module (FDCM) software on about 295,600 of the above vehicles may cause the service 4WD light to come on and an inability to switch 4WD ... Read More »

    • TSB #P73

      Date Announced:
      MAY 01, 2015
      NHTSA ID:
      #10229213

      Customer Satisfaction Notification P73 Reprogram Final Drive Control Module The Final Drive Control Module (FDCM) software on about 295,600 of the above vehicles may cause the ?Service 4WD? light to come on and an inability to switch ... Read More »

    • TSB #21-022-14 REV. A

      Date Announced:
      JUL 29, 2014
      NHTSA ID:
      #10141242

      4WD Lamp Illuminated and Diagnostic Trouble Code C140F Active in Final Drive Control Modules (FDCM) Memory This bulletin involves verifying FDCM software level and then flash reprogramming of the FDCM with new software. Read More »

    • TSB #21-022-14 REV. A

      Date Announced:
      JUL 29, 2014
      NHTSA ID:
      #10217727

      4WD Lamp Illuminated and Diagnostic Trouble Code C140F Active in Final Drive Control Modules (FDCM) Memory This bulletin involves verifying FDCM software level and then flash reprogramming of the FDCM with new software. Read More »

    • TSB #9001199

      Date Announced:
      MAR 12, 2014
      NHTSA ID:
      #10136982

      Part Description: Actuator Motor Read More »

    • TSB #N23050813

      Date Announced:
      MAY 08, 2013
      NHTSA ID:
      #10136874

      New Safety Recall Advanced Communication ? N23050813 Chrysler Group LLC (Chrysler) announced a safety recall on certain 2005 - 2010 model year (WK) Jeep Grand Cherokee and (XK) Jeep Commander vehicles equipped with a Quadra-Drive II or ... Read More »

    • TSB #N23050813

      Date Announced:
      MAY 08, 2013
      NHTSA ID:
      #10188696

      New Safety Recall Advanced Communication ? N23050813 Chrysler Group LLC (Chrysler) announced a safety recall on certain 2005 - 2010 model year (WK) Jeep Grand Cherokee and (XK) Jeep Commander vehicles equipped with a Quadra-Drive II or ... Read More »

    • TSB #N23050813

      Date Announced:
      MAY 08, 2013
      NHTSA ID:
      #10216001

      New Safety Recall Advanced Communication ? N23050813 Chrysler Group LLC (Chrysler) announced a safety recall on certain 2005 - 2010 model year (WK) Jeep Grand Cherokee and (XK) Jeep Commander vehicles equipped with a Quadra-Drive II or ... Read More »

    • TSB #H-30

      Date Announced:
      DEC 01, 2008
      NHTSA ID:
      #10028166

      CHRYSLER\DODGE\JEEP SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. THE REMOTE KEYLESS ENTRY TRANSMITTERS ON CERTAIN VEHICLES MAY EXHIBIT POOR RETENTION TO THE VALET KEY AND COULD INADVERTENTLY SEPARATE FROM EACH OTHER. Read More »

    ELECTRICAL SYSTEM:WIRING

    • TSB #9100226

      Date Announced:
      SEP 15, 2023
      NHTSA ID:
      #10244348

      Connector kit Before ordering this connector repair kit 68018957A$, check it in the Mopar Connector Repair Kit Website to confirm part number and applicability. Read More »

    ELECTRICAL SYSTEM:WIRING:CONNECTORS/PLUGS/RECEPTACLES

    • TSB #9003483

      Date Announced:
      JUL 12, 2017
      NHTSA ID:
      #10223710

      Exterior Mirror The latest version of these exterior mirrors have had their glass removed to be serviced separatly. To install, connect the electrial connector (if equipped) and snap the glass onto the mirror housing. Read More »

    ELECTRICAL SYSTEM:SOFTWARE

    • TSB #CSN-P-73

      Date Announced:
      MAY 01, 2015
      NHTSA ID:
      #10058278

      FIAT CHRYSLER: TSB HAS AN OWNER NOTIFICATION LETTER. SELECT DOCUMENT SEARCH BUTTON BELOW. WHEN SHIFTING OUT OF CURRENT SELECTED MODE, FINAL DRIVE CONTROL MODULE (FDCM) SOFTWARE CAUSES SERVICE 4WD LIGHT TO ILLUMINATE AND SWITCHING OUT ... Read More »

    • TSB #21-022-14REV.A

      Date Announced:
      JUL 29, 2014
      NHTSA ID:
      #10069322

      SUMMARY TO BE PROVIDED ON A FUTURE DATE. Read More »

    • TSB #21-022-14 REV. A

      Date Announced:
      JUL 29, 2014
      NHTSA ID:
      #10141242

      4WD Lamp Illuminated and Diagnostic Trouble Code C140F Active in Final Drive Control Modules (FDCM) Memory This bulletin involves verifying FDCM software level and then flash reprogramming of the FDCM with new software. Read More »

    • TSB #21-022-14

      Date Announced:
      JUL 10, 2014
      NHTSA ID:
      #10069323

      SUMMARY TO BE PROVIDED ON A FUTURE DATE. Read More »

    EXTERIOR LIGHTING

    VISIBILITY

    • TSB #9003483

      Date Announced:
      JUL 12, 2017
      NHTSA ID:
      #10223710

      Exterior Mirror The latest version of these exterior mirrors have had their glass removed to be serviced separatly. To install, connect the electrial connector (if equipped) and snap the glass onto the mirror housing. Read More »

    VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR

    • TSB #9003483

      Date Announced:
      JUL 12, 2017
      NHTSA ID:
      #10223710

      Exterior Mirror The latest version of these exterior mirrors have had their glass removed to be serviced separatly. To install, connect the electrial connector (if equipped) and snap the glass onto the mirror housing. Read More »

    AIR BAGS

    • TSB #P73

      Date Announced:
      MAY 01, 2015
      NHTSA ID:
      #10229213

      Customer Satisfaction Notification P73 Reprogram Final Drive Control Module The Final Drive Control Module (FDCM) software on about 295,600 of the above vehicles may cause the ?Service 4WD? light to come on and an inability to switch ... Read More »

    AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR MODULE

    • TSB #CSN-K06

      Date Announced:
      JUL 01, 2010
      NHTSA ID:
      #10034051

      CHRYSLER (JEEP) SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. SIDE AIRBAG INFLATABLE CURTAIN. THE SIDE AIRBAG INFLATABLE CURTAIN (SABIC) ON VEHICLES MAY NOT POSITION PROPERLY DURING INFLATION. Read More »

    AIR BAGS:SIDE/WINDOW

    • TSB #CSN-K06

      Date Announced:
      JUL 01, 2010
      NHTSA ID:
      #10034051

      CHRYSLER (JEEP) SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. SIDE AIRBAG INFLATABLE CURTAIN. THE SIDE AIRBAG INFLATABLE CURTAIN (SABIC) ON VEHICLES MAY NOT POSITION PROPERLY DURING INFLATION. Read More »

    SEAT BELTS

    • TSB #9003687

      Date Announced:
      MAR 08, 2017
      NHTSA ID:
      #10139978

      Restraints Remove I-Sheet from packaging. Correct information sheet (I-Sheet) has been added to Star Parts. Print I-Sheet for technician use. Read More »

    • TSB #9003681

      Date Announced:
      MAR 01, 2017
      NHTSA ID:
      #10139985

      Restraints Information Sheet (I-Sheet) has been added to Star Parts. Print I-Sheet for technician use. Read More »

    STRUCTURE

    • TSB #23-015-20

      Date Announced:
      APR 30, 2020
      NHTSA ID:
      #10175743

      Disinfectant Solution Recommended for COVID-19 Read More »

    • TSB #31-006-19

      Date Announced:
      NOV 20, 2019
      NHTSA ID:
      #10169245

      Repair Parts Used For Structural Repairs This bulletin involves discussing FCA US LLC position with regard to structural repair parts usage. Read More »

    • TSB #31-005-19

      Date Announced:
      NOV 20, 2019
      NHTSA ID:
      #10169249

      Use of Aftermarket Parts This bulletin involves discussing FCA US LLC position with regard to collision repair industry awareness regarding the use of aftermarket parts. Read More »

    • TSB #3100319

      Date Announced:
      NOV 20, 2019
      NHTSA ID:
      #10220099

      Use of Salvage/Recycled Parts This bulletin involves discussing FCA US LLC position with regard to collision repair industry awareness regarding the use of recycled or salvage parts. Read More »

    • TSB #3100619

      Date Announced:
      NOV 20, 2019
      NHTSA ID:
      #10220097

      Repair Parts Used For Structural Repairs This bulletin involves discussing FCA US LLC position with regard to structural repair parts usage. Read More »

    • TSB #3100519

      Date Announced:
      NOV 20, 2019
      NHTSA ID:
      #10220101

      Use of Aftermarket Parts This bulletin involves discussing FCA US LLC position with regard to collision repair industry awareness regarding the use of aftermarket parts. Read More »

    LATCHES/LOCKS/LINKAGES:DOORS:LATCH

    • TSB #H-30

      Date Announced:
      DEC 01, 2008
      NHTSA ID:
      #10028166

      CHRYSLER\DODGE\JEEP SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. THE REMOTE KEYLESS ENTRY TRANSMITTERS ON CERTAIN VEHICLES MAY EXHIBIT POOR RETENTION TO THE VALET KEY AND COULD INADVERTENTLY SEPARATE FROM EACH OTHER. Read More »

    SEATS

    • TSB #09-001-13

      Date Announced:
      FEB 06, 2013
      NHTSA ID:
      #10216395

      Gasoline Engine Diagnostic Inspection Procedure This bulletin provides a procedure to determine repair versus replacement of a gasoline long block engine assembly. Read More »

    EQUIPMENT

    • TSB #9001784

      Date Announced:
      FEB 22, 2021
      NHTSA ID:
      #10191442

      Mechanical rocker arm, intake, 1.7 ratio. Read More »

    • TSB #23-015-20

      Date Announced:
      APR 30, 2020
      NHTSA ID:
      #10175743

      Disinfectant Solution Recommended for COVID-19 Read More »

    • TSB #08-049-20

      Date Announced:
      APR 22, 2020
      NHTSA ID:
      #10175735

      Charging System, Battery Diagnostic Tools and Warranty This information only bulletin discusses using the correct test equipment for testing batteries and charging systems, and also warranty reimbursement when battery replacements are ... Read More »

    • TSB #31-003-19

      Date Announced:
      NOV 20, 2019
      NHTSA ID:
      #10169247

      Use of Salvage/Recycled Parts This bulletin involves discussing FCA US LLC position with regard to collision repair industry awareness regarding the use of recycled or salvage parts. Read More »

    • TSB #31-005-19

      Date Announced:
      NOV 20, 2019
      NHTSA ID:
      #10169249

      Use of Aftermarket Parts This bulletin involves discussing FCA US LLC position with regard to collision repair industry awareness regarding the use of aftermarket parts. Read More »

    • TSB #3100619

      Date Announced:
      NOV 20, 2019
      NHTSA ID:
      #10220097

      Repair Parts Used For Structural Repairs This bulletin involves discussing FCA US LLC position with regard to structural repair parts usage. Read More »

    • TSB #9003220

      Date Announced:
      AUG 07, 2019
      NHTSA ID:
      #10166537

      RADIO [RES] - New and/or Service Exchange For RES radio concerns. Use the wiTECH 2.0 and inspect the radio part number and serial number under the Radio/ECU Details tab. Read More »

    • TSB #08-052-16

      Date Announced:
      APR 30, 2016
      NHTSA ID:
      #10140258

      Flash: UConnect and Voice Recognition Inoperative This bulletin involves replacing the Hands Free Module (HFM). The customer may describe the following conditions: ? A complete loss of UConnect operation. Read More »

    • TSB #21-022-14 REV. A

      Date Announced:
      JUL 29, 2014
      NHTSA ID:
      #10217727

      4WD Lamp Illuminated and Diagnostic Trouble Code C140F Active in Final Drive Control Modules (FDCM) Memory This bulletin involves verifying FDCM software level and then flash reprogramming of the FDCM with new software. Read More »

    • TSB #21-022-14

      Date Announced:
      JUL 10, 2014
      NHTSA ID:
      #10141220

      4WD Lamp Illuminated and Diagnostic Trouble Code C140F Active in Final Drive Control Modules (FDCM) Memory This bulletin involves verifying FDCM software level and then flash reprogramming of the FDCM with new software. Read More »

    • TSB #N23050813

      Date Announced:
      MAY 08, 2013
      NHTSA ID:
      #10188696

      New Safety Recall Advanced Communication ? N23050813 Chrysler Group LLC (Chrysler) announced a safety recall on certain 2005 - 2010 model year (WK) Jeep Grand Cherokee and (XK) Jeep Commander vehicles equipped with a Quadra-Drive II or ... Read More »

    • TSB #09-001-13

      Date Announced:
      FEB 06, 2013
      NHTSA ID:
      #10138987

      Gasoline Engine Diagnostic Inspection Procedure This bulletin provides a procedure to determine repair versus replacement of a gasoline long block engine assembly. Read More »

    EQUIPMENT:ELECTRICAL

    • TSB #08-052-16

      Date Announced:
      APR 30, 2016
      NHTSA ID:
      #10140258

      Flash: UConnect and Voice Recognition Inoperative This bulletin involves replacing the Hands Free Module (HFM). The customer may describe the following conditions: ? A complete loss of UConnect operation. Read More »

    EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

    • TSB #9003220

      Date Announced:
      AUG 07, 2019
      NHTSA ID:
      #10166537

      RADIO [RES] - New and/or Service Exchange For RES radio concerns. Use the wiTECH 2.0 and inspect the radio part number and serial number under the Radio/ECU Details tab. Read More »

    • TSB #H 11

      Date Announced:
      JUN 01, 2008
      NHTSA ID:
      #10025382

      CHRYSLER\DODGE\JEEP SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. CUSTOMER SATISFACTION NOTIFICATION H11; RADIO SOFTWARE UPDATE. Read More »

    • TSB #08-039

      Date Announced:
      APR 24, 2008
      NHTSA ID:
      #10024906

      DVD SOFTWARE UPDATE REN MYGIG RADIO FOR MANY RADIO FUNCTIONAL ISSUES AND IMPROVEMENTS. *NJ Read More »

    • TSB #08-031

      Date Announced:
      APR 16, 2008
      NHTSA ID:
      #10024945

      DVD SOFTWARE UPDATE MYGIG RADIO FOR MANY RADIO FUNCTIONAL ISSUES AND IMPROVEMENTS. *NJ Read More »

    EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

    • TSB #9002519

      Date Announced:
      MAR 20, 2013
      NHTSA ID:
      #10129008

      82212076, 82203694 - Fabric Cleaner This "fabric cleaner" is not intended for sale in California, the otc states (Connecticut, Delaware, Massachusetts, Maine, New Hampshire, New Jersey, New York, Pennsylvania, Virginia, and Washington ... Read More »

    • TSB #SB-J19

      Date Announced:
      AUG 01, 2009
      NHTSA ID:
      #10032766

      CHRYSLER/JEEP/DODGE: CALIFORNIA EMISSIONS WARRANTY ADDENDUM. THE WARRANTY BOOK ON CERTAIN VEHICLES MAY CONTAIN ERRORS OR MAY BE MISSING INFORMATION REGARDING THE COPONENTS COVERED BY THE CALIFORNIA EMISSIONS WARRANTY. Read More »

    EQUIPMENT ADAPTIVE/MOBILITY

    • TSB #09-001-13

      Date Announced:
      FEB 06, 2013
      NHTSA ID:
      #10138987

      Gasoline Engine Diagnostic Inspection Procedure This bulletin provides a procedure to determine repair versus replacement of a gasoline long block engine assembly. Read More »