r DDULIRG 2 13 I3 Fill cooling system with a 50 percent Jeep All V HEAYER Season Coolant or equivalent and 50 percent water Y BV 55 mixture Operate engine with heater control valve 5 J PORT V open until thermostat opens Shut off engine and Tn recheck coolant level X RECESSED anoovz TRERMUSTAT REPLACEMENT l When installing the thermostat the pellet which is V yl encircled by a coil spring should face the engine All QQ thermostats are marked on the outer flange to indi gi cate proper installed position s di The thermostat on six cylinder engines must be in V I stalled with the air bleed hole up fig 2 15 This Q prevents air from being trapped in the block which V could cause a sudden burping over of the coolant when T 1 th th t t e ermos a opens F q 2 l6 TlI mvsi Rmt S x Cyllnhr l inrnxz cvlgxa EMRREEDHGLE m MAmmn o 4 HEAD J Musrnz ur i 3 4 g g 4 6 r 1 V V V V 2 4 ew i g s Yes wr ari2 1 V gigs i t if i tf v 1 so et a t rw A fZ k I J y gag Y V y S r R V ji kx i r 2 aa il t 4 553 M r Q ev v t mrznnm ex jd y gx v svrsss vger Ames THERMDSTH Q t yi fr Q Q Hg 2 17 Th rmu mRm V 8 new 6 Radlatnr Idantlllcailnn F1 Z 15 Thomosm In taIInI n SIx Cy InI r 1 B6 BLK Also during installation observe the recess on the intake manifold V 8 or cylinder head six and fit the vendor Mom yu thermostat in that groove fig 2 16 and 2 14 Then in Blackman A Jan 5 1975 stall the gasket and thermostat housing Tightening B b 64976 the housing unevenly or with the thermostat out of its recess will result in a cracked housing Tighten hous M 77 P D5 6 ing to 13 foot pounds torque u t7 2 Z Li i A i22 ly 1 22 Radiators are identified by Jeep part number and Pm Numbm Ham 02 Feb 976 the vendor build code number embossed on the upper 48 6 tank or on some Cherokees Wagoneers or Trucks the code is on the radiator right side support Week Year 42901