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Cooling System Bleeding: Removal & Installation Chrysler LHS II

Mechanical ~671 words

Removal

WARNINGDO NOT remove the cylinder block plug or the radiator draincock with the system hot and under pressure because serious burns from coolant can occur.

Note. It is not necessary to discharge air conditioning system when removing the radiator.

  1. Drain cooling system.
  2. Remove upper radiator crossmember.
  3. Remove hose clamps and hoses from radiator.
  4. Disconnect transmission hoses from cooler and plug off.
  5. Disconnect engine oil cooler lines (if equipped).
  6. Disconnect the fan electrical connector.
  7. Remove fan module.
  8. Remove the A/C condenser attaching screws located at the front of the radiator.
  9. Remove fastener attaching transmission cooler line bracket to left side of radiator.
  10. Lift condenser upward, only enough to clear upper mounting clips. Allow the condenser to rest on lower radiator crossmember.
  11. Radiator can now be lifted free from engine compartment.

Installation

  1. Slide radiator down into position. Seat the radiator assembly lower rubber insulators in the mounting holes provided in lower radiator support.
  2. Attach A/C condenser to mounting clips on radiator and install mounting screws. See «TORQUE SPECIFICATIONS»(ref-1437-S10642492732000031300000) .
  3. Connect lower radiator hose and clamp.
  4. Install transmission cooler line bracket and attaching fastener. Connect automatic transmission hoses.
  5. Install fan module.
  6. Connect fan motor electrical connector.
  7. Connect engine oil cooler lines (if equipped).
  8. Install upper radiator hose. Align hose so it does not interfere with the accessory drive belt or engine. Position hose clamp so it will not interfere with the hood liner.
  9. Install upper radiator support crossmember.
  10. Connect negative cable to remote jumper terminal.
  11. Refill cooling system.
  12. Operate engine until it reaches normal operating temperature. Check cooling system and automatic transmission for correct fluid levels.
CAUTIONIntake manifolds and valve covers are a composite design. Ensure intake manifolds or valve covers are not damaged when lifting engine from engine compartment.
  1. Disconnect negative battery cable from remote jumper terminal located at right strut tower. Mark hood at hinges, and remove hood. Remove wiper arms. Remove cowl covers and cowl support. Remove air inlet resonator and tube. Remove upper radiator crossmember. Disconnect hood release cable from hood latch. Disconnect cooling fan assembly connector, and remove cooling fan assembly.
  2. Drain cooling system. Cover drive belts and/or pulleys to prevent contact with coolant. If coolant contacts belts and/or pulleys, flush both with clean water. Open radiator drain located at lower right side of radiator. DO NOT use pliers to open radiator drain. Remove coolant pressure bottle cap and open air bleed valve located on water outlet connector at front of engine. (Схема №6)
  3. Remove cylinder block drain plugs located below each exhaust manifold.
  4. Remove radiator. See «RADIATOR»(ref-1437-S29592653592004033000000). Remove generator. Remove power steering pump bolts and, set pump aside. Remove A/C compressor bolts and set compressor aside. Loosen, remove and discard "V" band clamps at right exhaust manifold. Remove front and rear support bracket fasteners attaching right catalytic converter down pipe.
  5. Release fuel pressure. See «FUEL PRESSURE RELEASE»(ref-1437-S14186028602000031300000). Disconnect fuel lines. See «FUEL LINE QUICK-CONNECT FITTING»(ref-1437-S17786892382000031300000). Disconnect throttle and speed control cables. Disconnect coolant hoses at coolant pressure bottle. Disconnect all vacuum lines. Disconnect all engine ground straps. Remove upper intake manifold, and cover openings with tape. See «INTAKE MANIFOLD»(ref-1437-S26976466822000031300000).
  6. Disconnect heater hoses. Remove rear throttle body support bracket. Remove fastener for water pipe located at transaxle-to-engine block bolt. Remove 4 upper transaxle-to-engine block bolts. Disconnect all electrical connectors.
  7. Raise and support vehicle. Drain engine oil. Remove structural collar bolts from oil pan and transaxle. (Схема №27) Remove structural collar. Mark flex plate to torque converter position and remove torque converter bolts. Disconnect both transaxle cooler line brackets from engine.
  8. Loosen, remove and discard "V" band clamps at left exhaust manifold. Loosen left catalytic converter down pipe band clamp, and front and rear support brackets.
  9. Remove starter. Remove left and right engine mount bolts. Remove crankshaft position sensor. Remove 2 lower transaxle-to-engine block bolts. Lower vehicle. Attach hoist to engine. Support transaxle with a floor jack. Hoist engine from engine compartment.
CAUTIONDO NOT tighten transaxle case-to-engine block bolts until all transaxle case-to-engine block bolts have been hand started, and mating surfaces of transaxle and engine block have been completely joined together.

Note. Replace motor mounts only if they are leaking.

To install, reverse removal procedure. Install NEW exhaust manifold "V" band clamps. DO NOT tighten engine mount bolts until all other engine block-to-transaxle housing bolts have installed. Tighten all fasteners to specification. See TORQUE SPECIFICATIONS table. Add 8.00 qts, (7.8L) of 50/50 mix of MOPAR® Extended Life Coolant (or equivalent) and distilled water. Bleed cooling system. See COOLING SYSTEM BLEEDING .

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