Jeep 1987 Wrangler Workshop Manual page 397

ENGINES
COOLING SYSTEMS
SPECIFICATIONS
Cooling System Specifications
Four- and
Six-Cylinder
Six-Cylinder
Engine Engine
(w/V-Belt) (w/Serpentine Belt)
Radiator Cap Relief Pressure 96.5 kPa (14 psi) 96.5 kPa ( 1 4 psi)
Thermostat Rating
Must be Open 0.076 mm (0.003 inch) 9 0 ° C (195T) 9 0 ° C (195°F)
Fully Open 1 0 3 ° C ( 2 1 8 ° F ) 1 0 3 ° C (218°F)
Water Pump Type Centrifugal Centrifugal
Drive V-Belt Serpentine Belt
Radiator Type. Downflow Tube and Spacer Downflow Tube and Spacer
Cooling System Capacities . . . . . . . . . . . . . . . . . . . Refer to Cooling System Capacities Chart
Fan Refer to Cooling System Components Chart
Drive Belt
Angle of V 3 8 ° Serpentine Belt 6 4 0 ° Ribs
Width-top of Groove 9.7 - 12.7 mm (0.38 - 0.50 in.)
Type (Plain or Cogged) Cogged
840167K
Engine Drive Belt Tension
Initial Initial Reset Reset
Newtons Pounds-Force Newtons Pounds-Force
New Belt New Belt Used Belt Used Belt
V-TYPE BELT
Air Conditioner - All Engines
Alternator and Fan - All Engines.
Power Steering - All Engines.
SERPENTINE DRIVE BELT - All Engines
533-712
533-712
533-712
800-890
120-160
120-160
120-160
180-200
400-512
400-512
400-512
623-712
90 115
90 115
90-115
140-160
840170A
B-1 S3