Coolant - Air Bleed Procedure Repair Manual Correction

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Models 1989 Pulsar NX, 1989 Sentra

Section Engine Mechanical

Classification EM89-006

Bulletin No. TS89-093

Date July 6, 1989


CORRECTION TO ENGINE COOLANT AIR BLEED PROCEDURE


APPLIED MODELS:
1989 Pulsar NX (N13) (with GA16i engine) and 1989 Sentra (B12)


SERVICE INFORMATION

The GA16i engine used in the Applied Models has an air relief valve located on the cylinder head near the number 4 cylinder spark plug. During engine coolant refill, this valve must be:

^ removed prior to coolant refill to purge existing air from the cylinder head.
^ reinstalled once coolant spills from the air relief hole during refill.

CAUTION: Failure to purge all existing air from the coolant system may result in engine overheating.

Make note of this Technical Bulletin in your copies of the:

1969 Pulsar NX Service Manual, Page MA-11, "Changing Engine Coolant"

1989 Sentra Service Manual, Page MA-10, "Changing Engine Coolant"