850 T-5R L5-2.3L Turbo VIN 58 B5234T5 (1995)
Technical Service Bulletin # 221814
Date: 950201
Engine Accessories - Noise Fault Tracing
DATE: Feb. -95
SECTION: 2
GROUP: 21
NO: 814
Fault tracing in belt transmission for auxiliary equipment 850
REFERENCE: TP 2101201, SECTION 2 (20-22, 25-26), B5204, B5234, B5252, B5254, 6304 ENGINES,
850 1992-19..
Fault tracing in belt transmission
for auxiliary equipment
This Service Bulletin describes how to detect and repair causes of noise and wear if there is noise when the engine is idling. After carrying out the
analysis the drive belt is to be removed and the engine run at idling rpm to rule out other causes for the
fault.
WARNING
When tracing sounds, a stethoscope with a tube is recommended. Hold the stethoscope tube well away from moving parts in the engine. If the tube
should fasten in a moving part of the engine, personal injury could result.
The illustration shows:
1 Belt tensioner
2 Idler pulley
3 Crankshaft
4 Power steering pump
5 Generator
6 A/C compressor
WARRANTY STATEMENT: Claims may be submitted under the New Car Limited Warranty when a manufacturing defect is present using claim type:
C1
Operation No
Labor description
Time allowance
QW9O
21555-3
Roller belt tensioner auxiliary equipment belt replace
0.1 hr
21556-3
Idler pulley auxiliary equipment belt replace
0.1 hr
Component Descriptions
COMPONENT DESCRIPTION
This section describes 4 mountings for idler pulleys, 2 types of belt tensioner; 2 lengths for the idler pulley shaft and in which combinations they are