MAXIMA WITH BOSE AUDIO; REAR PARCEL SHELF RATTLE/BUZZ NOISE

Transcription

1 Classification: Reference: Date: BT01-030A NTB01-051A October 18, MAXIMA WITH BOSE AUDIO; REAR PARCEL SHELF RATTLE/BUZZ NOISE ATTENTION: This bulletin Amends the Service Information and Service Procedure sections of NTB01-051, adding Inspection and Installation steps for the Center Seat Belt Retractor Assembly (page 11, step 15) and Bose Sub-woofer Mounting Bracket Assembly (pages 12-13, step 18A & 18B). The Parts Information section of the bulletin has also been amended. Please discard all paper copies of NTB APPLIED VEHICLES: Maxima (A33) with Bose Audio SERVICE INFORMATION If an Applied Maxima displays either of the following symptoms: Rattle or buzz noise coming from the rear parcel shelf board when listening to low frequency/high bass audio. Distortion type noise from the rear sub-woofer. the cause(s) may be: During cold weather operation, the trunk torsion bars may be rattling against the torsion bar spacer block when listening to low frequency/high bass audio, or when driving over rough roads. The rear parcel shelf board hold-down clips may not be firmly seated in the parcel shelf. Low bass frequency of the Bose rear sub-woofer may be vibrating the center seat belt retractor steel inertia ball or causing the rear parcel shelf board to flex and vibrate. Use the Diagnostic Procedure below to verify the condition exists. Once verified, complete the following areas of the Service Procedure to correct the condition: Torsion Bar/Torsion Bar Spacer Block Securing Procedure. Secure Parcel Shelf Board Hold-Down Clips. Q-Pads Installation Procedure, including: Inspect Center Seat Belt Retractor Assembly. Install Resin Block(s) - if necessary. Inspect Bose Sub-woofer Mounting Bracket Assembly. Insert 5 th Fastening Screw - if necessary. NOTE: See the PARTS INFORMATION section of this bulletin (page 20) for more Q-Pad information and details on obtaining Q-Pads. 1/20

2 SERVICE PROCEDURE Diagnostic Procedure Confirm that the rattle or buzz noise and/or distorted sub-woofer sounds exist by listening to audio with high bass content. Use the customer's audio source (CD, tape, etc.) which originally produced the noise, whenever possible. NOTE: Write down the volume and bass levels that created the noise for use in re-testing in the Q-Pad Installation Procedure (Step 32, page 19). Torsion Bar/Torsion Bar Spacer Block Securing Procedure CAUTION: With the trunk lid closed, access the torsion bars and torsion bar spacer block from the passenger compartment trunk pass-through to complete the following steps. There is less tension on the torsion bars when the trunk is closed. It is easier to remove and re-install the torsion bar spacer block without damaging it when the trunk lid is closed. 1. Mark the location of the torsion bar spacer block on the torsion bars before removing it (see Figure 1). Front Trunk light Step 1: Mark location of spacer block on torsion bars Figure 1 Torsion bars Step 2: Disengage torsion bars from spacer block TP Disengage both torsion bars from the spacer block (see Figure 1). CAUTION: Take care not to break off the two tabs on the front of the spacer block (see Figure 2, page 3). 2/20

3 3. Twist and remove the spacer block from the hole into which it is inserted (see Figure 2). Torsion bar spacer block location marks Hole for spacer block Trunk light Twist and remove spacer block from hole Take care not to break off tabs Front TP Figure 2 4. Get the following items from your Infiniti/Nissan Squeak And Rattle Repair Kit (Tech- Mate tool number J-43980): A. One adhesive backed urethane pad, 35 mm x 50 mm x 1.5 mm (P/N L02) B. One roll, non-woven cloth felt tape, 5 mm wide roll (P/N E00). 5. Cut the adhesive backed urethane pad (P/N L02) into two equal sized pads (25 mm x 35 mm x 1.5 mm) see Figure 3. Adhesive back urethane pad # L02 (original size = 35 mm x 50 mm) 50 mm 35 mm 35 mm 25 mm TP mm Figure 3 6. Remove the backing from the pads cut in Step 5. Cut into two equal size pads (35 mm x 25 mm). 3/20

4 7. Wrap the pads lengthwise around the torsion bars. Ensure there is no overlap (see Figure 4). NOTE: Wrap the pads around the torsion bars between the location marks you made in Step mm 35 mm Front Trunk light Wrap pads lengthwise around torsion bars. Ensure there is no overlap. Location marks Location marks Pre-cut urethane pad # L02 wrapped lengthwise around torsion bars. Ensure there is no overlap. Figure 4 8. Cut four strips of non-woven cloth felt tape (P/N E00) to fit the top of the spacer block (see Figure 5). TP Attach 4 pieces of nonwoven felt cloth tape (# E00) to top of spacer block Top of torsion bar spacer block TP Figure 5 9. Attach the four strips of non-woven cloth felt tape to the top of the spacer block (see Figure 5). 4/20

5 10.Insert the spacer block back into the hole. Twist it to face toward the torsion bars and lock it into place (see Figure 6). Front Step 1: Twist spacer block back into hole Step 2: Snap torsion bars back into spacer block. Take care not to break off tabs. Trunk light Figure 6 11.Snap the torsion bars back into place on the spacer block (see Figure 6). CAUTION: Take care not to break off the two tabs on the front of the spacer block when re-inserting the torsion bars. Secure Parcel Shelf Board Hold-Down Clips 1. Open the trunk and verify that the parcel shelf board hold-down clips are completely seated into the ceiling of the trunk. 2. Properly tighten down any loose hold-down clips and replace any broken clips, as needed. 3. proceed with Q-Pad Installation Procedure, below. Q-Pad Installation Procedure Location marks Urethane pad Location marks TP Remove two Q-Pad self-adhering panels from their packaging. Allow them to warm up and become moldable by placing them in the sun or near a heat source. 2. Remove the lower seat cushion from the vehicle. CAUTION: Carefully store the lower seat cushion to avoid damage. 3. Remove the center and driver's side seat belt anchors and set the anchors aside. 5/20

6 4. Separate the seat belt buckles from the seat belts. Lay the seat belt buckles down in the lower seat cushion well, where the lower seat cushion normally rests. CAUTION: Wrap a clean cloth around the seat belt buckles to avoid damage or dirt (see Figure 7). Wrap a clean cloth around the seat belt buckles to protect Lay seat belt buckles down in the lower seat cushion well Figure 7 5. Remove the left and right seat side bolsters as follows: TP A. Unbolt each bolster at the base. B. Fold the seat backs forward and down into the lower seat cushion well. Let the seat backs rest on top of the seat belt buckles (see Figure 8). C. Unfasten the rear seat belts from the guides on the top of each bolster. D. Lift the bolsters up and out. CAUTION: Carefully store the side bolsters to avoid damage. 6. Remove the threshold covers and lay them on top of the seat backs (see Figure 8). Trunk passthrough frame Lay threshold covers on top of seat backs Seat backs folded forward and down into lower seat cushion well Figure 8 TP /20

7 7. Remove the seat back finisher by popping out the six push clips with a flat-bladed screwdriver, wrapped in a clean cloth (see Figure 9). CAUTION: Use care not to lose the two metal clips that attach the finisher to the passthrough frame (see Figure 9). Pop out six push clips Use care with clips Seat back finisher Two pass-through frame metal clips Push clip Flat-bladed screw driver, wrapped in clean cloth. Figure 9 TP Twist out the four parcel shelf clips using a flat-bladed screwdriver, wrapped in a clean cloth (see Figure 10). CAUTION: The clips have a double layered head. Take care to twist only the top layer when removing the clips. (see Figure 10). Twist out four parcel shelf clips Double layered parcel shelf clip Figure 10 Twist top layer of clip to remove TP /20

8 9. Remove the child tether anchor covers by lifting up the front edge, then pull forward and out (see Figure 11). Child tether anchor covers Sub-woofer cover Lift up front edge, then pull forward and out TP Figure Remove the sub-woofer cover (see Figure 11). 11.Remove the both C Pillar finishers by inserting the head of a small flat blade screwdriver wrapped in a clean cloth at the bottom of the pillar and separating. Then separate the top edge of the pillar finisher and remove (see Figure 12). See Figure 13 on page 9 for a back view of the pillar finisher when removed. STEP 2 Insert cloth wrapped screw driver at top and separate C pillar finisher STEP 1 Insert cloth wrapped screw driver at bottom and separate Figure 12 TP /20

9 Spring clips Top Back view of C pillar finisher Push clips TP Figure Remove the center brake light and finisher, if equipped. NOTE: The SE vehicle has the center brake light mounted in the spoiler. It does not need to be removed. 13.Remove the parcel shelf as follows: A. Pop up and undo the parcel shelf hold-down clips located behind the child seat tether bolts (see Figure 14). Parcel shelf Plastic tabs Driver's side child seat tether anchor Parcel shelf hold-down clip Sub-woofer TP Figure 14 B. Pull up on the rear of the parcel shelf to unhook the hook and loop fasteners that hold the rear of the parcel shelf to the underframe. 9/20

10 C. Pop off and slide the parcel shelf seat belt guide/finisher up the seat belt. Use a small flat-bladed screwdriver wrapped in a clean cloth (see Figure 15 for a view of this step done for the center rear seat belt). Center rear seat belt Parcel shelf seat belt guide/finisher STEP 2 Pull seat belt through parcel shelf hole STEP 1 Pop off and slide finisher up seat belt TP Figure 15 D. Repeat Step C above for the passenger's side rear seat belt. E. Push the back passenger's side and center seat belts through the openings in the parcel shelf. F. Pull the parcel shelf up and out. Rest the parcel shelf against the back of the front seats. NOTE: Leave the driver's side back seat belt anchored in its finisher and inserted within the parcel shelf. 14.Remove the two passenger side child seat tether anchors. 10/20

11 Inspect Center Seat Belt Retractor Assembly. Install Resin Block(s) -if necessary 15.Inspect the center seat belt retractor assembly. Verify if two resin blocks are present, one on either side of the assembly: If two resin blocks are present (see Figure 16A), there is no need for additional action in this step. Proceed to step 16, below. If one resin block is present, install a second resin block on the other side of the retractor assembly (see Figure 16B). See the PARTS INFORMATION section of this bulletin for detail. If no resin blocks are present, install a resin block on both sides of the retractor assembly (see Figure 16A for an example of properly installed resin blocks). See the PARTS INFORMATION section of this bulletin for detail. Center seat belt retractor Front Both resin blocks installed Install 2nd resin block, black/foam side facing retractor assembly One resin block installed TP Figure 16A Figure 16B 16.Remove the square of felt insulator/jute from the trunk lock connector (see Figure 17). Remove felt insulator/ jute by peeling away from trunk lock connector Sub-woofer TP Figure Clean away any adhesive or felt/jute particles from the sheet metal by wiping the sheet metal with Nissan Brake Cleaner (Nissan P/N 999MP-A3042). CAUTION: Protect the interior of the vehicle from brake cleaner overspray. Outside the vehicle, spray the brake cleaner onto a clean shop rag, then wipe the sheet metal. 11/20

12 Inspect Bose Sub-woofer Mounting Bracket Assembly. Insert 5 th Fastening Screw if necessary 18.Inspect the Bose sub-woofer speaker mounting bracket assembly. A. If it has 5 fastening screws (see Figure 18), there is no need for additional action in this step. Proceed to Step 19 on page fastening screws present Figure 18 TP B. If it has only 4 fastening screws (see Figure 19A), modify the existing mounting bracket assembly as follows to include a 5th fastening screw in the corner: Area where 5th bracket hole and fastening screw will be added Sub-woofer Speaker Mounting Bracket Assembly (as seen from the trunk interior) Front Area to mark with center punch for 5th, new mounting bracket hole Torsion bars 4 Existing fastening screws Figure 19A Spacer block Figure 19B 4 existing bracket screws TP /20

13 1) From the trunk room, use a center punch and hammer to mark the underside of the bracket where the center of the 5 th (new) hole will be located (see Figure 19B on page 12 and Figure 20, below). Figure 20 Use a center punch and hammer to mark the center where the 5th hole will be. TP ) Remove the bracket assembly and place it on a workbench. Drill a 5/16" hole at the point where you marked the center of the 5 th hole in step 1, above (see Figure 21). Drill a 5/16" hole TP Figure 21 3) Reinstall the mounting bracket assembly, using a sheet metal screw for the 5 th (new) hole. 13/20

14 19.Pre-position two Q-Pads onto the passenger side of the parcel shelf sheet metal (see Figure 22). The Q-Pad paper-backing should be touching the parcel shelf, and the black pad material should be facing up. NOTE: In the following steps, the pads are marked "Pad 1" and "Pad 2" to allow for clearer identification. Pad 1 Pad 2 Sub-woofer Pad fitted to edge of parcel shelf Pre-position Q-Pads onto passenger's side of parcel shelf sheet metal. Pad fitted to edge of parcel shelf Center rear seat belt Passenger's side rear seat belt Figure Press down on the areas of Pad 1 and Pad 2 that overlay the passenger and center seat belt housings. By pushing down on the pad material, you will make indentations/marks on the pads. This will show where the pad material must be trimmed to allow the seat belt and buckle to pass through (see Figure 23). TP Press down on areas of pads 1 and 2 that overlay passenger's and center seat belt housings. Pad 1 Pad 2 Figure Remove Pad 1 and Pad 2 from the parcel shelf and place them on a workbench. TP /20

15 22.Using the tip of a flat-bladed screwdriver, cut out seat belt holes in Pads 1 and 2 which were pre-marked in Step 20 (see Figure 24). Pad 1. Top side Pad 2. Top side Cut out seat belt housing indentation hole with flat bladed screwdriver Cut out seat belt housing indentation hole with flat bladed screwdriver Figure Pull the backing off of Pad 1 on the corner near the passenger side rear seat belt/buckle pre-cut hole (see Figure 25). NOTE: Q-Pads have an adhesive backing which can leave sticky deposits on fingers when handled. If fingerprints are then left on the rear window when re-installing parts to complete this procedure, those prints may be difficult to remove. If contact is made with the Q-Pad adhesive, wash hands thoroughly before touching the rear window. 24.Pull the passenger side rear seat belt and buckle completely through the pre-cut opening in Pad 1 (see Figure 25). TP Pad 1 Pull passenger rear seat belt and buckle through pre-cut opening in pad 1 Pull backing off pad 1 TP Figure 25 CAUTION: Make sure that the seat belt and buckle can pass through the Pad 1 material, traveling naturally and freely. Cut the hole large enough to provide full clearance for the seat belt to pull out and retract properly. 15/20

16 25.Pull the backing off of Pad 1 and re-position it lightly on the sheet metal shelf (see Figure 26). CAUTION: Make sure the Q-Pad is placed as you would like it to be permanently positioned before pressing down on the pad. Q-Pads can be peeled off and repositioned easily if they are only lightly applied to the sheet metal. However, once stronger pressure is used to press and mold the pads down (or if the heat gun is applied) pads will only peel off in sections or pieces and will not be re-usable. Heat gun Mold down and form pad 1 to shelf. Press down on pad 1 to find areas of padding to cut away for trunk hinge and retractor bolt pass through Passenger rear seat belt and buckle TP Figure Use a heat gun to mold down and form Pad 1 to the shelf (see Figure 26). 27.Press down on Pad 1 to find areas of padding which must be cut out to allow clearance for the trunk hinge and retractor bolt pass-through (see Figure 26). 28.Use the tip of the screwdriver to cut away and remove pad material noted in Step Repeat Steps 23 through 28 for Pad 2 (see Figure 27). Heat gun Mold down and form pad 2 to shelf. Press down to find areas of padding to cut away for two child seat tether anchors and retractor bolt pass through. Sub-woofer Figure 27 Pad 2 TP /20

17 CAUTION: When cutting and removing the pad material, make sure you have removed enough material to allow the child seat tether anchor bolts, spacers and washers to be fully seated on the sheet metal (see Figure 28). NOTE: Areas of pad material to be cut away in Figure 28 are shown "outlined" in dashed lines for identification purposes. Child seat tether anchor, bolt, spacer, and washer Pad 2 Material on pad 2 cut away and properly removed to allow tether, bolt, spacer, and washer to be fully seated. Figure 28 Subwoofer TP /20

18 NOTE: See Figure 29 for a view of Pad 1 properly molded to the sheet metal shelf and for location of all areas of pad material to be cut away. Areas of pad material to be cut away are shown "outlined" in dashed lines for identification purposes. Pad 1, As Seen Through Rear Window Pad 1 Passenger rear seat belt Seat belt and buckle pass through Front Retractor bolt pass through Trunk hinge TP Figure 29 18/20

19 NOTE: See Figure 30 for a view of Pad 2 properly molded to the sheet metal shelf and for location of all areas to be cut out. Areas of pad material to be cut away are shown "outlined" in dashed lines for identification purposes. Pad 2, As Seen Through Rear Window Seat belt and buckle pass through Front Center rear seat belt Retractor bolt pass through Sub-woofer Holes for child seat tether anchor TP Figure Re-install the felt-insulator/jute material over the trunk lock connector. There should enough adhesive on the back of the felt/jute to allow it to re-adhere, but apply an appropriate adhesive if necessary. 31. Re-install all remaining parts in reverse order. NOTE: Verify that the parcel shelf board hold-down clips are completely secured in the parcel shelf. Secure any loose clips. WARNING: Confirm proper retraction and latching of all rear seat belts following final installation of all components. 32.Repeat Diagnostic Procedure (Page 2). Use the same bass and volume levels and audio source noted. 33.Verify that the rattle/buzz and/or distortion-type noise from the sub woofer is gone. If the rattle/buzz and/or sub woofer distortion is still present, investigate other causes and repair as needed. 34.Test drive the vehicle to insure all components have been re-installed properly and no new squeak and rattle incidents have occurred. 19/20

20 PARTS INFORMATION DESCRIPTION NISSAN PART # QUANTITY Resin Block Y DESCRIPTION NON-NISSAN PART # QUANTITY * Fibre Glass-Evercoat Q-Pad NVH Pads " x 12" (30.48 cm x cm) * NOTE: Q-Pads (Part Number ) are Noise-Vibration-Harshness pads (NVH). They are distributed in packages of six 12"x12" cm x cm self-adhering panels. Q-Pads are manufactured by Fibre Glass-Evercoat Company, Inc., 6600 Cornell Rd., Cincinnati, OH 45242, and are readily available through auto-body suppliers. Dealers can call Evercoat Company at and ask for the Automotive Customer Service Department to get a phone number for a Q-Pad distributor in their area. CLAIMS INFORMATION Please reference the "Squeak and Rattle Repairs" Section "UX" of the current Nissan "Warranty Flat Rate Information" Manual and choose the Op Code, or combination of Op Codes, that best reflects the repair(s) performed. Expense Details: Pro-rate the bulk "Squeak and Rattle Repairs" material(s) and claim only the amount that is actually used in the repair(s). Claim this amount using Expense Code "022." Do not claim the repair material(s) part number(s) on the claim. 20/20