Question about 1997 Chevrolet Lumina

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How do I relieve the fan belt tension to replacethe water pump?

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There is a spring loaded tensioner that you need to move to release tension on the belt. The tensioner will have an arm on it with a pulley at the end of it. If you look at the arm you will see a hole in it that fits a 3/8 ratched in it. Note the tool companies make cool tools for doing this but a ratchet usually works ok. Also you may want to draw a diagram of the belt routing BEFORE you remove it. Most cars have a sticker with the diagram on it but better to be safe then sorry. Good luck!

Posted on Aug 27, 2010

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How to replace water pump


Removal & Installation

  1. Disconnect the negative battery cable.
  2. Drain the engine cooling system.
  3. For 5.3L engines, loosen the air cleaner outlet duct clamps at the throttle body and Mass Airflow/Intake Air Temperature (MAP/IAT) sensor. Remove the bolt and air cleaner outlet duct.
  4. Relieve the belt tension and remove the accessory drive belts or the serpentine drive belt, as applicable.
  5. Remove or disconnect the following:

NOTE
For the hoses on some engines, removal may be easier if the hose is left attached until the pump is free from the block. Once the pump is removed from the engine, the pump may be pulled (giving a better grip and greater leverage) from the tight hose connection.W

WARNING
Note the positions of all retainers as some engines will utilize different length fasteners in different locations and/or bolts and studs in different locations.

  • Upper fan shroud
  • Fan or fan and clutch assembly, as applicable
  • Water pump pulley; use a suitable tool to hold the pulley while removing the bolts
  • Coolant hose(s) from the water pump
  • Water pump retainers
  • Water pump from the engine



4.2L Pump Location26010723-pqcu5dneux0l02jg41pvmzkd-2-0.gif
5.3L Pump Location


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To install:
  1. Clean the gasket mounting surfaces.

    NOTE

    The water pumps on some of the engines covered may have been installed using sealer only, no gasket, at the factory. If a gasket is supplied with the replacement part, it should be used. Otherwise, a 1 / 8 in. (3mm) bead of RTV sealer should be used around the sealing surface of the pump.
  2. Apply sealant to the water pump retainer threads.
  3. Install or connect the following:

    • Water pump using a new gasket. Tighten the water pump retainers to 89 inch lbs. (10 Nm) for 4.2L engines, or to 30 ft. lbs. (41 Nm) for 4.3L engines. For 5.3L engines, tighten the bolts to 11 ft. lbs. (15 Nm), then to 22 ft. lbs. (30 Nm).
    • Coolant hose(s)
    • Water pump pulley. Tighten the pulley bolts to 18 ft. lbs. (25 Nm).
    • Fan or fan and clutch assembly
    • Serpentine drive belt (if equipped) by positioning the belt over the pulleys and carefully allow the tensioner back into contact with the belt.
    • V-belts (if equipped) and adjust the tension
    • Upper fan shroud
    • Negative battery cable
  4. Refill the engine cooling system.
  5. Run the engine and check for leaks.

Dec 16, 2015 | 2004 Chevrolet TrailBlazer

3 Answers

How do I release tension to put fan belt on


If you have the v-belt type, you have to loosen the alternator or power steering pump.

If you have the serpentine belt type, follow these directions:

Serpentine Belt
  1. On all models except the 7.4L engine with A.I.R. pump (California emissions only), use a 1/2 in. breaker bar with a socket placed on the tensioner pulley bolt, rotate the tensioner to relieve belt tension.
  2. On all 7.4L engines with a A.I.R. pump (California emissions only), use a suitable wrench on the pulley axis bolt to rotate the tensioner clockwise to relieve belt tension.
  3. Remove the serpentine belt.

To install:

  1. Route the belt over all the pulleys except the tensioner.
  2. On all models except the 7.4L engine with A.I.R. pump (California emissions only), place the breaker bar and socket on the tensioner pulley bolt and rotate the tensioner to the released position.
  3. Install the belt and return the pulley to its original position.
  4. On all 7.4L engines with a A.I.R. pump (California emissions only), use a suitable wrench on the pulley axis bolt to rotate the tensioner clockwise to relieve belt tension.
  5. Install the belt and return the pulley to its original position.
  6. Check that the belt is properly seated in each pulley


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Jan 17, 2011 | 1991 Chevrolet K1500

1 Answer

Replace alternator


The alternator belt on the 1999 Dodge Caravan also controls the air conditioner compressor, the water pump and the power steering pump. The belt is called a serpentine belt, and it is designed to fit around all of the accessory pulleys at the same time. As the belt travels around each accessory pulley, it enables the accessory to operate. Once the belt is damaged, cracked or frayed, you should change it before it breaks. If that happens, each of the accessories will stop working.

Open the hood and prop it up so that it does not fall. Engage the parking brake.

Inspect the top surface of the fan shroud for the serpentine belt routing diagram. Follow the routing instructions on the diagram to install the new belt.

Locate the serpentine belt self-adjusting tensioner on the front of the engine. The tensioner is directly below the alternator. Use the bolt that connects the tensioner pulley to the tensioner arm to rotate the tensioner.

Turn the tensioner device counterclockwise to move the tensioner. This will relieve the tension from the belt. Once the belt has enough slack in it, slide the belt out from under the tensioner pulley.

Lift the belt off each accessory pulley. Slide the belt around the fan blades and out of the engine area.

Lay the old belt next to the new belt to ensure that the new belt is the correct width and length. Slide the belt around the fan blades and around the crankshaft pulley on the bottom of the engine.

Follow the belt routing diagram to position the belt around the air conditioner compressor pulley, the power steering pump pulley, the water pump pulley and the idler pulley. Once the belt is routed inside each accessory pulley, inspect the belt to make sure that it is securely inside the pulleys.

Crank the 1999 Dodge Caravan for 10 to 15 seconds to completely seat the belt ribs in the grooves on each accessory pulley. Shut the engine off and close the hood.

If the belt routing diagram for the 1999 Dodge Caravan is missing, use a pen and a notepad to draw the exact routing of the old belt and use it when installing the new belt.

Nov 26, 2010 | 1999 Dodge Caravan

2 Answers

How to adjust de belt to grand cherokee 8 cilinders 4.7


  1. Step 1 Find the belt tensioner pulley. The tensioner pulley is generally between the crankshaft and a component toward the top of the hood area.
  2. Step 2 Check the belt routing so you know how to replace the belt. You may be able to find a belt routing diagram on a decal on the fan shroud or in support documentation. Otherwise, make you own sketch for reference.
  3. Step 3 Rotate the belt tensioner pulley, using the wrench, to and relieve tension on the belt.
  4. Step 4 Slip off the old belt and slowly release the tensioner pulley.
  5. Step 5 Use your belt routing diagram to put the new belt onto all of the pulleys. Pay close attention to the water pump pulley, as incorrect routing can cause the water pump to run backwards and overheat.
  6. Step 6 Make sure the belt is correctly routed and seated on all pulleys. Rotate the tensioner again to allow for the belt to slip onto all pulleys and then release the tensioner again to regain correct tension on the belt.

Jun 01, 2010 | 1999 Jeep Grand Cherokee

1 Answer

Water pump replacement


Disconnect the negative battery cable, then drain the engine cooling system. 2. Relieve the belt tension, then remove the drive belt. 3. Remove the upper fan shroud, then remove the fan or fan and clutch assembly, as applicable. 4. Remove the water pump pulley. 5. If applicable, loosen the clamp(s) and disconnect the coolant hose(s) from the water pump. 6. Unfasten the retainers, then remove the water pump from the engine. Note the positions of all retainers as some engines will utilize different length fasteners in different locations and/or bolts and studs in different locations. To install: 7. Using a putty knife, carefully clean the gasket mounting surfaces. 8. Apply 1052080 or an equivalent sealant to the threads of the water pump retainers. Install the water pump to the engine using a new gasket, then thread the retainers in order to hold it in position. 9. Tighten the water pump retainers to specification: For the 4.3L engine, tighten the bolts and studs to 30 ft. lbs. (41 Nm). 10. If removed, connect the coolant hose(s) and secure using the retaining clamp(s). 11. Install the water pump pulley, then install the fan or fan and clutch assembly. 12. Position the serpentine belt over the pulleys, then carefully allow the tensioner back into contact with the belt. 13. Install the upper fan shroud, then connect the negative battery cable. 14. Properly refill the engine cooling system, then run the engine and check for leaks.

Dec 31, 2009 | 1994 GMC Jimmy

1 Answer

Serpintine belt replacepent


Installation > 5.9L Diesel Engine 5.9L Diesel Engine
WARNING Do not attempt to check belt tension with a belt tension gauge on vehicles equipped with an automatic belt tensioner.

Drive belts on diesel engines are equipped with a spring loaded automatic belt tensioner. This belt tensioner will be used on all belt configurations, such as with or without air conditioning.
  1. Depending on the year of the vehicle, a 3/8 inch or 1/2 inch square hole is provided in the automatic belt tensioner. Attach a 3/8 inch or 1/2 inch drive-long handle ratchet to this hole.
  2. Rotate ratchet and tensioner assembly clockwise (as viewed from front) until tension has been relieved from belt.
  3. Remove belt from water pump pulley first.
  4. Remove belt from vehicle.

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To install:

WARNING When installing the accessory drive belt, the belt must be routed correctly. If not, engine may overheat due to water pump rotating in wrong direction. The correct belt with correct length must be used. Position drive belt over all pulleys except water pump pulley.


  1. Attach a 1/2 inch ratchet to tensioner.
  2. Rotate ratchet and belt tensioner clockwise. Place belt over water pump pulley. Let tensioner rotate back into place. Remove ratchet. Be sure belt is properly seated on all pulleys.

Oct 09, 2009 | 2001 Dodge Ram 2500 Truck

1 Answer

I need directions to change my water pump


drain engine coolant.relieve belt tension .and remove the drive belt.remove upper fan shroud.remove fan or fan and clutch assembly.remove water pump pulley and coolant hoses from water pump.remove water pump bolts.then remove pump from engine.pay attention to bolts location because they are different lenghts.clean water pump gasket mounting surface dont scratch .or pump gasket wont seal and leak .apply sealant to water pump bolts.install water pump with new gasket.if gasket paper put a sealant on it.torque water pump bolts to 30 ft lbs.if you got a 2.2L engine torque water pump bolts to 18 ft lbs.install coolant hoses on pump .install water pump pulley.install fan and fan clutch assembly.install the drive belt .and the upper fan shroud.fill the radiator with coolant.then run engine to check for leaks.WARNING AS A SAFETY PRECAUTION REMOVE NEGATIVE BATTERY CABLE SO CAR WONT BE CRANK BY ACCIDENT. ALSOOOO DONT FORGET TO TURN OFF RADIO FIRST BEFORE DISCONNECTING BATTERY SO YOU WONT LOSE YOUR RADIO CODE.

Jun 01, 2009 | 1999 GMC Jimmy

2 Answers

How do you change the belt 1997 ford escort timing belt


not fun. Have to take off all the belt driven stuff, Alternator ps pump etc. undo the bolts holding the cover in place, remove the cover and the belt will be under that. Put something in place to release the tensioner and remove the belt carefully so you dont move the cam or crank. slide on the new belt release the tensioners and put the cover and belt driven stuff back. I would recommend a new water pump while you are in there. they arent that expensive and might as well do it now than do the whole works again if it fails. new tensioners now a bad idea either.

Mar 31, 2009 | 1997 Ford Escort

1 Answer

How to install serpantine belt on a 1995 Jeep Cherokee 6-cylinder


Hi there. Here is a Step by Step guide that will help you replace your serpentine belt.




Step1 Find the belt tensionermag-glass_10x10.gif pulley. The tensioner pulley is generally between the crankshaft and a component toward the top of the hood area. Step2 Check the belt routing so you know how to replace the belt. You may be able to find a belt routing diagram on a decal on the fan shroud or in support documentation. Otherwise, make you own sketch for reference. Step3 Rotate the belt tensioner pulley, using the wrench, to and relieve tension on the belt. Step4 Slip off the old belt and slowly release the tensioner pulley. Step5 Use your belt routing diagram to put the new belt onto all of the pulleys. Pay close attention to the water pumpmag-glass_10x10.gif pulley, as incorrect routing can cause the water pump to run backwards and overheat. Step6 Make sure the belt is correctly routed and seated on all pulleys. Rotate the tensioner again to allow for the belt to slip onto all pulleys and then release the tensioner again to regain correct tension on the belt.

Please rate and god bless.


Mar 25, 2009 | 1995 Jeep Cherokee

1 Answer

Changing the water pump on 2000 Jeep Grand Cherokee V6


WATER PUMP
The water pump is bolted directly to the engine timing chain case/cover.

A gasket is used as a seal between the water pump and timing chain case/cover.

If water pump is replaced because of bearing/shaft damage, or leaking shaft seal, the mechanical cooling fan assembly should also be inspected. Inspect for fatigue cracks, loose blades, or loose rivets that could have resulted from excessive vibration. Replace fan if any of these conditions are found. Also check condition of the thermal viscous fan drive. Refer to Viscous Fan Drive in this group.

The water pump can be removed without discharging the air conditioning system (if equipped)

REMOVAL
Disconnect negative battery cable from battery.
Drain cooling system. Refer to Draining Cooling System in this group.
Do not waste reusable coolant. If solution is clean, drain coolant into a clean container for reuse.

The thermal viscous fan drive is attached (threaded) to the water pump hub shaft. Remove fan/viscous fan drive assembly from water pump by turning mounting nut counterclockwise as viewed from front. Threads on viscous fan drive are RIGHT HAND. Using special tool spanner wrench 6958 with adapter pins 8346 and a suitable fan wrench loosen the fan drive Viscous Fan and Fan Drive Do not attempt to remove fan/viscous fan drive assembly from vehicle at this time.
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 matching number or letter.

If water pump is being replaced, do not unbolt fan blade assembly from thermal viscous fan drive.
Remove two fan shroud-to-radiator nuts Fan Shroud Mounting Hardware Do not attempt to remove fan shroud at this time.
Remove fan shroud and fan blade/viscous fan drive assembly from vehicle as a complete unit.
After removing fan blade/viscous fan drive assembly, do not place thermal viscous fan drive in horizontal position. If stored horizontally, silicone fluid in viscous fan drive could drain into its bearing assembly and contaminate lubricant.
Remove accessory drive belt as follows: The drive belt is equipped with a spring loaded automatic belt tensioner. Relax tension from belt by rotating tensioner clockwise (as viewed from front) Automatic Belt Tensioner - When all belt tension has been relaxed, remove accessory drive belt.
Remove lower radiator hose clamp and remove lower hose at water pump.
Remove seven water pump mounting bolts and one stud bolt
CAUTION: Do not pry water pump at timing chain case/cover. The machined surfaces may be damaged resulting in leaks.

Remove water pump and gasket. Discard gasket.
INSTALLATION
Clean gasket mating surfaces.
Using a new gasket, position water pump and install mounting bolts as shown. Water Pump Installation - Tighten water pump mounting bolts to 54 N·m (40 ft. lbs.) torque.
Spin water pump to be sure that pump impeller does not rub against timing chain case/cover.
Connect radiator lower hose to water pump.
Relax tension from belt tensioner Automatic Belt Tensioner - Install drive belt
CAUTION: When installing the serpentine accessory drive belt, belt must be routed correctly. If not, engine may overheat due to water pump rotating in wrong direction. Refer to Belt Routing for correct belt routing. Or, refer to the Belt Routing Label located in the engine compartment. The correct belt with correct length must be used.

Position fan shroud and fan blade/viscous fan drive assembly to vehicle as a complete unit.
Be sure the upper and lower portions of the fan shroud are firmly connected. All air must flow through the radiator.
Install two fan shroud-to-radiator nuts Fan Shroud Mounting Hardware
Be sure of at least 25 mm (1.0 inches) between tips of fan blades and fan shroud.
Install fan blade/viscous fan drive assembly to water pump shaft.
Fill cooling system. Refer to Refilling the Cooling System in this group.
Connect negative battery cable.
Start and warm the engine. Check for leaks

Jan 10, 2009 | 2000 Jeep Grand Cherokee

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