Celica L4-1998cc 2.0L DOHC (3S-GE) (1986)
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Muffler: All Technical Service Bulletins
Exhaust System - Muffler Noise When Cold
REFERENCE
ENGINE
NUMBER
027
DATE
02-06-87
MODEL
CELICA (GTS)
TITLE - MUFFLER NOISE ON CELICA GT-S WHEN COLD
Lot Number
To improve muffler noise when cold on the Celica GT-S the sub-muffler has been modified beginning July 1986 and the main muffler beginning October
1986.
Part numbers of the sub and main mufflers remain unchanged. To distinguish the improved main muffler from the others, a lot number showing the
production date has been stamped on the muffler.
DESCRIPTION OF LOT NUMBER
*Identification No. (for Celica GT-S) Location of Lot Number
Codes
Month
1
January
2
February
3
March
4
April
5
May
6
June
7
July
8
August
9
September
X
October
Y
November
Z
December
PRODUCTION EFFECTIVE:
Part Name
Production Date
From VIN
Sub-Muffler
July 1986
JT2ST65*#G7053294
Main Muffler
October 1986
JT2ST65*#H7081289
PART NUMBER INFORMATION:
Previous Part No.
New Part No.
Part Name
17420-74090
Same
Sub-muffler
17430-74080
Same
Main Muffler
