Exhaust System - Buzz Or Rattle

86nissan06

Models 1984-1986 Federal Sentra/
Pulsar NX

Section Emission Control

Classification EC86-006A

Bulletin No. TS86-091A

Date July 24, 1986

EXHAUST SYSTEM RATTLE, 1984-1986 FEDERAL SENTRA/PULSAR NX


APPLIED MODEL: 1984-1986 Sentra and 1984-1986 Pulsar NX (FEDERAL MODELS ONLY)

SERVICE INFORMATION

The exhaust system of some Federal Sentra and Pulsar NX models may exhibit a buzz or rattle noise. This noise is especially noticeable during the engine warm-up period.

Use the following Parts Information and Service Procedure to replace the existing front exhaust tube heat shields (insulators) with new parts which contain a graphite insulator at the areas where the heat shield is clamped to the exhaust pipe.


PARTS INFORMATION

PART DESCRIPTION PART NUMBER QUANTITY REQUIRED

Heat Shield (Insulator) 20510-32A60 1
Heat Shield (Insulator) 20512-32A60 1
Heat Shield (Insulator) 20515-32A60 1
Heat Shield (Insulator) 20517-32A60 1
Nut 20602-32A00 6
Clamp 20561-32A00 3
Screw 08363-6202G 3


WARRANTY INFORMATION


Refer to Section DB in the Warranty Flat Rate Manual.
SERVICE PROCEDURE

1. Remove and discard the original heat shields and heat shield mounting hardware.

FIGURE 1:

FIGURE 2:

2. Install the new heat shields and mounting hardware as shown in Figure 1. Tighten the 3 clamp screws and 6 nuts to 5.8 to 7.2 ft.lbs. (0.8 to 1.0 kg-m).

CAUTION: When tightening the clamps, make sure the heat shield flanges do not contact each other as shown in Figure 2.