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dodge bum
dodge bum, Auto Service Technician
Category: Dodge
Satisfied Customers: 651
Experience:  ase master tech,25 years with chrysler products on all phases of repair,factory trained.
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how do i replace hose from water pump to engine

Resolved Question:

how do i replace hose from water pump to engine
Submitted: 8 years ago.
Category: Dodge
Expert:  dodge bum replied 8 years ago.
Hi what model and engine?
Customer: replied 8 years ago.

sorry have 99 dodge 360 with ac damaged the hose changing water pump 'not sure

how to change it as i can't see where it goes

Expert:  dodge bum replied 8 years ago.
The upper big hose correct?
Customer: replied 8 years ago.

it is the hose that attaches to the water pump appproximatly 1 1/4 inches diameter

outlet nosel size thet looks to go under the manifold 'not the larger radiator hoses

also its a 1500 4wd truck if it makes a difference

Expert:  dodge bum replied 8 years ago.

Its the by pass hose under the a\c and alternator bracket,the bracket will have to be removed to replace the hose.

Expert:  dodge bum replied 8 years ago.

WATER PUMP BYPASS HOSE

REMOVAL - 3.9L V-6 OR 5.2/5.9L V-8 ENGINES WITHOUT AIR CONDITIONING

A water pump bypass hose Water Pump Bypass Hose - Typical is used between the intake manifold and water pump on all gas powered engines. To test for leaks, refer to Testing Cooling System for Leaks in this group

  1. Partially drain cooling system. Refer to Draining Cooling System in this group.
  2. Do not waste reusable coolant. If the solution is clean, drain the coolant into a clean container for reuse

    WARNING: CONSTANT TENSION HOSE CLAMPS ARE USED ON MOST COOLING SYSTEM HOSES. WHEN REMOVING OR INSTALLING, USE ONLY TOOLS DESIGNED FOR SERVICING THIS TYPE OF CLAMP, SUCH AS SPECIAL CLAMP TOOL (NUMBER 6094) SNAP-ON CLAMP TOOL (NUMBER HPC-20) MAY BE USED FOR LARGER CLAMPS. ALWAYS WEAR SAFETY GLASSES WHEN SERVICING CONSTANT TENSION CLAMPS.

    CAUTION: A number or letter is stamped into the tongue of constant tension clamps. If replacement is necessary, use only an original equipment clamp with a matching number or letter.

  3. Loosen both bypass hose clamps and position to the center of hose.
  4. Remove hose from vehicle.

INSTALLATION

  1. Position bypass hose clamps to the center of hose.
  2. Install bypass hose to engine.
  3. Secure both hose clamps.
  4. Fill cooling system. Refer to Refilling Cooling System in this group.
  5. Start and warm the engine. Check for leaks.

REMOVAL - 3.9L V-6 OR 5.2/5.9L V-8 ENGINE - WITH AIR CONDITIONING

If equipped with A/C, the generator and A/C compressor along with their common mounting bracket Generator - A/C Compressor Mounting Bracket - Typical must be partially removed. Removing the generator or A/C compressor from their mounting bracket is not necessary. Also, discharging the A/C system is not necessary. Do not remove any refrigerant lines from A/C compressor

WARNING: THE A/C SYSTEM IS UNDER PRESSURE EVEN WITH THE ENGINE OFF. REFER TO REFRIGERANT WARNINGS IN GROUP 24, HEATING AND AIR CONDITIONING.

  1. Disconnect negative battery cable from battery.
  2. Partially drain cooling system. Refer to Draining Cooling System in this group.
  3. Do not waste reusable coolant. If the solution is clean, drain the coolant into a clean container for reuse.
  4. Remove upper radiator hose clamp at radiator. A special clamp tool must be used to remove the constant tension clamps. Remove hose at radiator.
  5. Disconnect throttle cable from clip at radiator fan shroud.
  6. Unplug wiring harness from A/C compressor.
  7. Remove the air cleaner assembly.
  8. Remove accessory drive belt. Refer to Belt Removal/Installation in the Engine Accessory Drive Belt section of this group.
  9. (8) 3.9L V-6 or 5.2/5.9L V-8 LDC-Gas: The drive belt idler pulley must be removed to gain access to one of the A/C compressor/generator bracket mounting bolts. Remove the idler pulley bolt and remove idler pulley Idler Pulley - 3.9L V-6 or 5.2/5.9L V-8 LDC-Gas Engines
  10. 5.9L HDC-Gas: The automatic belt tensioner/pulley assembly must be removed to gain access to one of the A/C compressor/generator bracket mounting bolts. Remove the tensioner mounting bolt Belt Tensioner - 5.9L HDC-Gas Engine and remove tensioner
  11. Remove the engine oil dipstick tube mounting bolt at the side of the A/C-generator mounting bracket.
  12. Disconnect throttle body control cables. Refer to Accelerator Pedal and Throttle Cable in Group 14, Fuel System.
  13. Remove heater hose coolant return tube mounting bolt Coolant Return Tube - 3.9L V-6 or 5.2/5.9L V-8 LDC-Gas Engines Coolant Return Tube - 5.9L HDC-Gas Engine and remove tube from engine. Discard the old tube O-ring
  14. Remove bracket-to-intake manifold bolts (number 1 and 2 Generator - A/C Compressor Mounting Bracket - Typical
  15. Remove remaining bracket-to-engine bolts Bracket Bolts - 3.9L V-6 or 5.2/5.9L V-8 LDC-Gas Engines Bracket Bolts - 5.9L HDC-Gas Engine
  16. Lift and position generator and A/C compressor (along with their common mounting bracket) to gain access to bypass hose. A block of wood may be used to hold assembly in position.
  17. Loosen and position both hose clamps to the center of bypass hose. A special clamp tool must be used to remove the constant tension clamps. Remove hose from vehicle.

INSTALLATION

  1. Position bypass hose clamps to the center of hose.
  2. Install bypass hose to engine.
  3. Secure both hose clamps.
  4. Install generator-A/C mounting bracket assembly to engine. Tighten bolt number 1 Generator - A/C Compressor Mounting Bracket - Typical to 41 N·m (30 ft. lbs.) torque. Tighten bolt number 2 Generator - A/C Compressor Mounting Bracket - Typical to 28 N·m (20 ft. lbs.) torque. Tighten bracket mounting bolts Bracket Bolts - 3.9L V-6 or 5.2/5.9L V-8 LDC-Gas Engines Bracket Bolts - 5.9L HDC-Gas Engine to 40 N·m (30 ft. lbs.) torque.
  5. Install a new O-ring to the heater hose coolant return tube Coolant Return Tube - 3.9L V-6 or 5.2/5.9L V-8 LDC-Gas Engines Coolant Return Tube - 5.9L HDC-Gas Engine Coat the new O-ring with antifreeze before installation.
  6. Install coolant return tube and its mounting bolt to engine Coolant Return Tube - 3.9L V-6 or 5.2/5.9L V-8 LDC-Gas Engines Coolant Return Tube - 5.9L HDC-Gas Engine
  7. Connect throttle body control cables.
  8. Install oil dipstick mounting bolt.
  9. 3.9L V-6 or 5.2/5.9L V-8 LDC-Gas Engines: Install idler pulley. Tighten bolt to 41 N·m (30 ft. lbs.) torque.
  10. 5.9L HDC-Gas: Install automatic belt tensioner assembly to mounting bracket. A dowel pin is located on back of tensioner Tensioner Dowel Pin - 5.9L HDC-Gas Engine Align this to dowel hole Tensioner Mounting Bracket Dowel Hole - 5.9L HDC-Gas Engine in tensioner mounting bracket. Tighten bolt to 41 N·m (30 ft. lbs.) torque
  11. Install drive belt. Refer to Belt Removal/Installation in the Engine Accessory Drive Belt section of this group

    CAUTION: When installing the serpentine accessory drive belt, the belt must be routed correctly. If not, the engine may overheat due to the water pump rotating in the wrong direction. Refer to Belt Schematics in the Engine Accessory Drive Belt section of this group for correct belt routing. The correct belt with the correct length must be used.

  12. Install air cleaner assembly.
  13. Install upper radiator hose to radiator.
  14. Connect throttle cable to clip at radiator fan shroud.
  15. Connect wiring harness to A/C compressor.
  16. Fill cooling system. Refer to Refilling Cooling System in this group.
  17. Start and warm the engine. Check for leaks.
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