17409: Customer Satisfaction – Engine Cradle To Body Bolt Torque Incorrect In Engine Replacement Procedure – 2017 Buick LaCrosse & GMC Acadia

#17409: Customer Satisfaction – Engine Cradle To Body Bolt Torque Incorrect In Engine Replacement Procedure – (Nov 30, 2017)

Subject: 17409 — Engine Cradle To Body Bolt Torque Incorrect In Engine Replacement Procedure
Models: 2017 Buick LaCrosse
2017 GMC Acadia

Reference Number: N172120570 Release Date: November 2017
Revision: 00
Attention: This program is in effect until November 30, 2019.
Make Model Model Year RPO Description
From To
Buick LaCrosse 2017 2017
GMC Acadia 2017 2017

Involved vehicles are marked “open” on the Investigate Vehicle History screen in GM Global Warranty Management system. This site should always be checked to confirm vehicle involvement prior to beginning any required inspections and/or repairs.

Condition Certain 2017 model year Buick LaCrosse or GMC Acadia vehicles, that have had an engine replacement may have the wrong torque applied to front cradle-to-body bolts (M14) and front cradle stabilizer brackets-to-body bolts (M10). The Engine Replacement Service Procedure in the vehicle Service Information instructs technicians to use improper torque values when reattaching the cradle.
Correction Replace bolts (M14 and M10), verify cradle alignment and apply the correct torque to attaching bolts.

 

Parts Information

Quantity Part Name Part No.
As Required Bolt/Screw-Drivetrain and Frt Susp Cradle 11547841
Bolt/Screw-Frt Cradle Brace 11588738
Bolt/Screw-Drivetrain and Frt Susp Cradle 11561299

Note: Use the VIN and the GM Electronic Parts Catalog (EPC) to determine which fasteners to order.

It is estimated that only 37 involved vehicles will require this repair. Due to limited initial parts availability, dealers are encouraged not to order recall parts for use as shelf stock.

Reminder: Parts may be removed from Retail Inventory Management (RIM). Dealers should review the affected parts to confirm RIM managed status.

 

Warranty Information

Labor Code Description Labor Time Trans. Type Net Item
9103501 Check Cradle Alignment, Install Bolts

ADD: Align Cradle, Includes Checking and Setting Front Toe

0.7

0.9

ZFAT N/A

 

Service Procedure

Special Tools

  • CH-51034-A (1) Cradle Alignment Pins

 

Service Procedure LaCrosse

  1. Raise and support the vehicle. Refer to Lifting and Jacking in SI.
  2. Install a suitable support under the drivetrain and front suspension cradle.

CH-51034-A Cradle Alignment Pins (1)

  1. Insert the CH-51034-A (1) Cradle Alignment Pins (1) to verify the proper alignment of the cradle to the body.
    • If the alignment pins can be inserted and removed with no resistance or binding, no further action is required, proceed to step # 4.
    • If the alignment pins bind or cannot be inserted, proceed to the Cradle Alignment section below.

body bolts (1)

  1. Locate the four front cradle to body bolts (1).
  2. Locate the six front cradle stabilizer bracket to body bolts (2).
  3. With the drivetrain and front suspension cradle properly supported, remove and replace the 10 bolts ONE AT A TIME.
  4. When installing the new bolts, Tighten:
    • Front cradle-to-body bolts (1) Tighten [4x] 160 N.m (118 lb ft)
    • Front cradle stabilizer bracket to body bolts (2) Tighten [6x] 58 N.m (43 lb ft)
  5. Remove the supports and lower the vehicle.

 

Service Procedure Acadia

Caution: This vehicle is equipped with torque-to-yield or single use fasteners. Install NEW torque-to-yield or single use fasteners. Failure to replace the torque-to-yield or single use fastener could cause damage to the vehicle or component.

  1. Raise and support the vehicle. Refer to Lifting and Jacking in SI.
  2. Install a suitable support under the drivetrain and front suspension cradle.

CH-51034-A Cradle Alignment Pins (1)

  1. Insert the CH-51034-A (1) Cradle Alignment Pins (1) to verify the proper alignment of the cradle to the body.
    • If the alignment pins can be inserted and removed with no resistance or binding, no further action is required, proceed to step # 4.
    • If the alignment pins bind or cannot be inserted, proceed to the Cradle Alignment section below.

body bolts (1)

  1. Locate the four front cradle to body bolts (1).
  2. Locate the eight front cradle stabilizer bracket to body bolts (1).
  3. With the drivetrain and front suspension cradle properly supported, remove and replace the 10 bolts ONE AT A TIME.
  4. When installing the new bolts, Tighten:
    • Front cradle-to-body bolts (2) First pass, Tighten [4x] 160 N.m (118 lb ft) Final Pass, (60–75 degrees)
    • Front cradle stabilizer bracket to body bolts (1) Tighten [8x] 58 N.m (43 lb ft)
  5. Remove the support and lower the vehicle.

 

.

Cradle Alignment

  1. Ensure a suitable support is under the drivetrain and front suspension cradle.
  2. Loosen the cradle to body bolts and the stabilizer bracket to body bolts. Do not remove the bolts, only loosen them enough to reposition the cradle.

CH-51034-A Cradle Alignment Pins (1)

  1. Insert the CH-51034-A Cradle Alignment Pins (1).
  2. Reposition the cradle as required.
  3. Tighten the fasteners as described in the service procedure above.
  4. Replace the fasteners as described in the service procedure above.
  5. Check the front wheel alignment. Refer to Wheel Alignment – Steering Wheel Angle and/or Front Toe Adjustment in SI.

 

Dealer Responsibility

All new, used, GM Certified Used, courtesy transportation vehicles, dealer shuttle vehicles, etc. in dealers’ possession and subject to this program must be held and inspected/repaired per the service procedure of this bulletin before customers take possession of these vehicles. Involved vehicles must be held and not delivered to customers, dealer-traded, released to auction, used for demonstration, or any other purpose.

All GM Certified Used vehicles currently in the dealers’ inventory within the Certified Pre-Owned Inventory System (CPOIS) will be de-certified and must be held and remedied per the service procedure in this bulletin. Upon submitting an accepted/paid warranty transaction in the Global Warranty Management (GWM) system, the vehicle can be re-certified for sale within the CPOIS system, or once again be used in the CTP program.

Dealers are to service all vehicles subject to this program at no charge to customers, regardless of mileage, age of vehicle, or ownership, through November 30, 2019. Customers who have recently purchased vehicles sold from your vehicle inventory, and for which there is no customer information indicated on the involved vehicle listing, are to be contacted by the dealer. Arrangements are to be made to make the required correction according to the instructions contained in this bulletin. A copy of the customer letter is provided in this bulletin for your use in contacting customers. Program follow-up cards should not be used for this purpose, since the customer may not as yet have received the notification letter.

In summary, whenever a vehicle subject to this program enters your vehicle inventory, or is in your facility for service through [end date, 2019], you must take the steps necessary to be sure the program correction has been made before selling or releasing the vehicle.

 

Dealer Reports

For dealers with involved vehicles, a listing with involved vehicles has been prepared and will be provided to U.S. and Canadian dealers through the GM GlobalConnect Recall Reports, or sent directly to export dealers. The listing may contain customer names and addresses obtained from Motor Vehicle Registration Records. The use of such motor vehicle registration data for any purpose other than follow-up necessary to complete this program is a violation of law in several states/provinces/countries. Accordingly, you are urged to limit the use of this report to the follow-up necessary to complete this program.

 

Courtesy Transportation — For USA & Canada

Courtesy transportation is available for customers whose vehicles are involved in a product program and still within the warranty coverage period. See General Motors Service Policies and Procedures Manual, Sections 1.4 and 6.1.10, for courtesy transportation program details.

 

Customer Notification

USA & Canada – General Motors will notify customers of this recall on their vehicle (see copy of customer letter included with this bulletin).

Export – Letters will be sent to known owners of record located within areas covered by the US National Traffic and Motor Vehicle Safety Act. For owners outside these areas, dealers should notify customers using the attached sample letter.


November 2017

This notice applies to your vehicle, VIN:___________________________

Dear General Motors Customer:

We have learned that your 2017 model year Buick LaCrosse or GMC Acadia vehicle may have the wrong torque applied to front cradle-to-body bolts (M14) and front cradle stabilizer, brackets-to-body bolts (M10). The Engine Replacement Service Procedure in the vehicle Service Information instructs technicians to use improper torque values when reattaching the cradle.

Your satisfaction with your GM vehicle is very important to us, so we are announcing a program to prevent this condition or, if it has occurred, to fix it.

What We Will Do: Your GM dealer will replace bolts (M14 and M10), verify cradle alignment and apply the correct torque to attaching bolts. This service will be performed for you at no charge until November 30, 2019. After that, any applicable warranty will apply.

What You Should Do: To limit any possible inconvenience, we recommend that you contact your dealer as soon as possible to schedule an appointment for this repair. By scheduling an appointment, your dealer can ensure that the necessary parts will be available on your scheduled appointment date.

If you have any questions or need any assistance, just contact your dealer or the appropriate Customer Assistance Center at the number listed below.

Division Number Text Telephones (TTY)
Buick 1-866-608–8080 1-800-832–8425
GMC 1–866–996–9463 1–800–462–8583
Puerto Rico – English 1-800-496-9992
Puerto Rico – Español 1-800-496-9993
Virgin Islands 1-800-496-9994

We sincerely regret any inconvenience or concern that this situation may cause you. We want you to know that we will do our best, throughout your ownership experience, to ensure that your GM vehicle [or if only one model involved, list name] provides you many miles of enjoyable driving.

Terry M. Inch

Executive Director

Global Connected Customer Experience

17409


 

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