08-074-20 REV. B
Service Bulletin Details
Public Details for: 08-074-20 REV. B
Improved steering feel this bulletin involves replacing the steering gear and updating the electric hydraulic power steering (ehps) software, if required. The customer may describe one or more of the following:steering wander. Vehicle has
Models from 2020
2020 JEEP GLADIATOR |
2020 JEEP WRANGLER |
Models from 2019
2019 JEEP WRANGLER |
Models from 2018
2018 JEEP WRANGLER |
NUMBER: GROUP: DATE: 08-074-20 REV. B 08 - Electrical September 26, 2020 This bulletin is supplied as technical information only and is not an authorization for repair. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise, without written permission of FCA US LLC. This bulletin supersedes Technical Service Bulletin 08-074-20 REV. A, date of issue September 16, 2020, which should be removed from your files. All revisions are highlighted with **asterisks** and include additional caution. SUBJECT: Improved Steering Feel OVERVIEW: This bulletin involves replacing the steering gear and updating the Electric Hydraulic Power Steering (EHPS) software, if required. MODELS: 2018 - 2020 (JL) Jeep Wrangler 2020 (JT) Jeep Gladiator NOTE: This bulletin applies to vehicles within the following markets/countries: North America. SYMPTOM/CONDITION: The customer may describe one or more of the following: • Steering wander. • Vehicle has a lead/pull to the right or left. NOTE: The lead/pull will be more noticeable in hot ambient temperatures. • Steering feels like it has excess play. NOTE: This Technical Service Bulletin (TSB) repair will NOT correct a sustained steering shake, shimmy or vibration. Video aid has been developed for this issue. Refer to the detailed service procedures available in DealerConnect> Service Library under: Service Info>19 - Steering / Linkage / Damper, Steering /Removal and Installation. DIAGNOSIS: Using a Scan Tool (wiTECH) with the appropriate Diagnostic Procedures available in DealerCONNECT/Service Library, verify all related systems are functioning as designed. If Diagnostic Trouble Codes (DTCs) or symptom conditions, other than the ones listed above are present, record the issues on the repair order and repair as necessary before proceeding further with this bulletin. If the customer describes the symptom/condition listed above, perform the Repair Procedure. 08-074-20 REV. B -2- PARTS REQUIRED: CAUTION! **Verify that the steering gear part number is correct, as per the listed applications bellow. Installation of the incorrect steering gear will lead to undesired handling characteristics, and most likely not address the customer’s concern.** Qty. 1 (AR) Part No. 68507569AA Description Gear, Steering - Four Door, Left Hand Drive (JL) This Steering Gear Does Not Fit 3.0L (EXJ) Diesel Gear Ratios 14.2:1 1 (AR) 68507571AA 1 (AR) 68507576AA Gear, Steering - Two Door, Left Hand Drive (JL) Gear Ratios 16.14:1 Gear, Steering - Left Hand Drive (JT) Gear Ratios 13.3:1 1 1 (AR) 06506950AA 06513396AA 68088485AB Bolt, I-Shaft Bolts, Frame - Steering Gear (4 Bolts Per Package) Fluid, Electric Steering Pump NOTE: The aluminum steering gear frame bolts will have two different size bolts. The new steel gear frame bolts will all be the same size. REPAIR PROCEDURE: NOTE: Vehicles that have professionally installed lift kits, that are within the limits of the service wheel alignment specifications, are eligible for the repair described in this TSB. However, if the vehicle has been lifted or modified beyond the limits of the service wheel alignment specifications, this TSB is not likely to address the customer’s concern of wander, leads, and pulls. 1. Replace the steering Gear. Refer to the detailed service procedures available in DealerCONNECT>Service Library under: 19 - Steering / Gear / Removal and Installation. NOTE: The steering gear frame bolts and I-shaft pinch bolt will need to be replaced with new bolts. 2. Check if the EHPS has the latest available software. Is the EHPS software up to date? • YES >>> Proceed to Step 4. • NO >>> Proceed to Step 3. 3. Reprogram the EHPS with the latest available software. Detailed instructions for flashing control modules using the wiTECH Diagnostic Application are available by selecting the application’s “HELP” tab. 4. Check the vehicle’s Sales Codes. Does it have Sales Code 5SY? • YES >>> Proceed to Step 5. • NO >>> Proceed to Step 6. 5. Remove Sales Code 5SY from the vehicle list. Go to DealerCONNECT > Service > Warranty Administration > Vehicle Option Update. -3- 08-074-20 REV. B 6. Is the vehicle a 2018 or 2019 JL? • YES>>> Proceed to Step 7. • NO>>> Proceed to Step 8. 7. Add Sales Code 70F to the vehicle list. Go to DealerCONNECT > Service > Warranty Administration > Vehicle Option Update. 8. Using wiTECH 2, perform “Restore Vehicle Configuration” routine. This routine can be found in Guided Diagnostics. Follow all screen prompts to complete this routine. 9. Clear any DTCs that may have been set in any module due to performing a Restore Vehicle Reconfiguration. POLICY: Reimbursable within the provisions of the warranty. TIME ALLOWANCE: Labor Operation No: 19-00-01-9B Description Skill Category Amount Steering Gear - Replace, Reprogram (EPS) Electric Power Steering, Includes Removing Sales Code 5SY and Restore Vehicle Configuration. (2 - Skilled) 6 - Electrical and Body Systems 1.9 Hrs. FAILURE CODE: ZZ Service Action