NUMBER:
GROUP:
DATE:

07-001-20 REV. B
07 - Cooling
May 27, 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 Service Bulletin 07-001-20 REV. A, dated April 09, 2020, which
should be removed from your files. All revisions are highlighted with **asterisks** and
include updated clean date.
SUBJECT:
Water Pump Inlet Tube Fastener Torque
OVERVIEW:
This bulletin involves checking the torque on the water pump inlet tube fasteners to possibly
eliminate coolant leak at this location.
MODELS:
2018 - 2020

(JL)

Jeep Wrangler

NOTE: This bulletin applies to vehicles within the following markets/countries: North
America, APAC and EMEA.
NOTE: This bulletin applies to vehicles built before **March 13, 2020 (MDH 0313XX)**
equipped with a 2.0L I4 DOHC DI Turbo Engine W/ESS (Sales Code EC1) or 2.0L I4
DOHC DI Turbo Etorque Engine (Sales Code EC3).
SYMPTOM/CONDITION:
The customer may describe either a coolant leak or the coolant level is low.
DIAGNOSIS:
If the customer describes the symptom/condition listed above, perform the Diagnosis Procedure.
1. Pressure check the coolant system. Refer to the detailed service procedures available in
DealerCONNECT> Service Library under: Service Info>07 - Cooling / Diagnosis and Testing
>Leak Testing>Pressure Tester Method.
2. Was coolant found to be leaking from the water pump inlet tube at the engine (Fig. 1) ?
• YES>>> Proceed to Step 1 of the Repair Procedure.
• NO>>> Coolant was not leaking from this area. This Bulletin does not apply. Normal
diagnosis should be performed.

07-001-20 REV. B

-2-

REPAIR PROCEDURE:
1. Torque the water pump inlet tube fasteners to exactly 11 N·m (97 in. lbs) (Fig. 1) .

Fig. 1
Water Pump Inlet Tube Fasteners
1 - Water Pump Inlet Tube
2 - Fasteners

2. Pressure check the coolant system. Refer to the detailed service procedures available in
DealerCONNECT>Service Library under: Service Info>07 - Cooling / Diagnosis and Testing
>Leak Testing>Pressure Tester Method.
3. Is coolant still leaking from the water pump inlet tube at the engine (Fig. 1) ?
• YES>>> Further diagnosis should be performed.
• NO>>> This bulletin has been completed.

-3-

07-001-20 REV. B

POLICY:
Reimbursable within the provisions of the warranty.
TIME ALLOWANCE:
Labor Operation
No:

Description

Skill Category

07-62-04-90

Tube, Water Pump Inlet - Pressure Test
Cooling System and Re-Torque Fasteners
(2 - Skilled)

1 - Engine Repair 0.5 Hrs.
and Performance

FAILURE CODE:
ZZ

Service Action

Amount