Catalyst to heatshield tight fit

CATALYST TO HEATSHIELD TIGHT FIT

Model

Discovery V8i Manual Gearbox (NAS) Discovery V8i Manual Gearbox (NAS)

Affected vehicles

193644 to 196851 524606 to 527232

Date

1996-07-17

Reference

17/07/96

Bulletin text

Catalyst to Heatshield-Tight Fit

MODEL

Discovery V8i Manual Gearbox (NAS) Discovery V8i Manual Gearbox (NAS)

DETAIL

A new set of exhaust downpipes has been introduced with revised catalyst end cones on vehicles within the above Vin range. Investigations have shown that the position of the catalyst cones may cause two potential concerns.

1. Close proximity of the clutch slave cylinder heat shield to the left hand catalyst. 2. Close proximity of the front left hand lambda sensor to the oil cooler pipes.

This bulletin supersedes 30/01/96 the information in the parts section has been amended

ACTION REQUIRED

Check the clearance of items 1 and 2 above and adjust were necessary, on vehices within the above Vin range, if the customer identifies a rattle from this area.

PARTS INFORMATION

Old part NTC 7345 Clutch slave cylinder heat shield.

New part ESR 4516 Clutch slave cylinder heat shield.

Information only New catalyst end cones ESR 4097 (California) ESR 4188 (Federal)

PROCEDURE

Process for checking items 1 and 2 above

To change heatshield. 1. Loosen bottom bolt on clutch cylinder,and remove heatshield. 2. Fit new heatshield ESR 4156 and torque to 15Nm, ensure a clearance of 5mm between clutch slave cylinder and left head lambda sensor. See illustration opposite.

Reposition oil cooler pipes. 1. Loosen oil cooler pipes fixings at the gearbox end and reposition to the give the required clearance of 10mm (minimum), between the left hand lambda sensor and the oil cooler pipes. 2. Torque the oil cooler pipe fixings to 30Nm. See illustration overleaf

Issue 2 17/07/96

30/01/96/EN

AFFECTED VEHICLES

LP LH LJ 193644 to 196851 LJ 524606 to 527232

WARRANTY

Normal warranty policy and procedures apply

COMP. CODE

3B5A Heatshield Oil cooler pipes 2A9A

SRO

30.10.89/31 For both operations 00.20 hour

Catalyst to Heatshield-Tight Fit

MODEL

Discovery V8i Manual Gearbox (NAS) Discovery V8i Manual Gearbox (NAS)

17/07/96 30/01/96EN

AFFECTED VEHICLES

LP LH LJ 193644 to 196851 LJ 524606 to 527232