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Changing thecoolant pump

MODIFICATION INSTRUCTION
Bulletin Nbr: 262-1668
Date: ........... FEBRUARI 1996
Market: JP
Changing the coolant pump


Safety-related campaign 10702

Cars in stock must be rectified before delivery. By means of a personal communication, owners of cars already delivered must be informed of the defect and requested to get in touch with their nearest Saab garage as soon as possible so that the fault can be rectified.

Cars concerned

All Saab 900 models with a 4-cylinder engine and A C or ACC having the following chassis numbers:

R2000001-T2002623 (3-/5-d)

S7000001-T7000462 (cabriolet).

Background

On account of unequal forces within the poly-Vbelt circuit it is possible that the water pump pulley shears at its centre axle shaft, causing the poly-Vbelt to become adrift. Upon this happening the function of the alternator, steering servo pump, A/C compressor and the water pump will be lost. The problem is solved with a new design of pump (fig. B) having the pulley bolted to the pump axle and not welded as in fig. A.

Materials

88 22 652 Coolant pump 1 pc (incl. 0-ringstand rear pipe)

Procedure

Inspect the water pumppulley. If the pump is of type "A" as shown, continue as follows:

Change the water pump according to Service Manual 2:4 "Exhaust system, cooling system, turbo system" pages .

Standard time information

See separate information.