Thermostatically Controlled Air Cleaner; Tac System - Six-Cylinder Engine - Jeep 1987 Wrangler Workshop Manual

ENGINES
THERMOSTATICALLY CONTROLLED AIR CLEANER (TAC)
1 A C S Y S T E M - SIX-CYLINDER ENGINE
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GENERAL INFORMATION
The thermostatically controlled air cleaner
(TAC) system provides heated air for the
carburetor during engine warm-up.
The T A C system is comprised of a heat stove
that partially encloses the exhaust manifold, a
heated air tube, a special air cleaner assembly
equipped with a thermal switch, a reverse delay
valve, a check valve and a vacuum motor and air
valve assembly.
1. Air Cleaner Cover
2. PCV Valve Filter
3. Thermal Switch
4. Check Valve
5. Vacuum Motor
6. Heated Air Tube
7. Ambient Air Duct
8. Reverse Delay Valve
9. Trap Door Assembly
10. Reverse Delay Valve
11. Thermal Vacuum Switch
12. Filter Element
85037
B-246