Question about 1991 Cadillac DeVille

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1990 cadillac deville need help water pump removal???

I have a 1990 cadillac deville 4.5 i need to know how to remove the water pump Can you help please if so email me at Duffslincoln1@hotmail.com
Do i need to drop or lift engine? What kind of special tools do i need?

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You need a special water pump tool. you can rent one from Auto Zone. The water pump housing is the bottom radiator hose on the right side of the engine. remove the hose and the outer-caseing, the waterpump is now slightly visable. Use a .5 inch rachet with the Special tool and turn clockwise.

Posted on Aug 12, 2009

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The water pump can be removed without lifting the engine out. But, you should take the belt off with a 1/2" breaker bar.

Posted on Jul 02, 2010

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Posted on Jan 02, 2017

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1 Answer

I have a 1997 cadillac deville and i need to know how the water pump drive pulley on camshaft is supposed to be removed? is there a special tool i need?


The water pump pulley usually has 4 small bolts and they are not torqued down too much. Normally, you can loosen the bolts before you loosen the belt that runs the pulley.

Mar 03, 2017 | Cadillac Cars & Trucks

Tip

How do I replace the water pump on my Cadillac Deville?


Hi.

Here the instructions.

  • Take off the plastic cover located near the top of the radiator if present.
  • Remove the protective shield located on top of the belt pulling the water pump. You will need to undo two 10mm nuts and one 10mm bolt.
  • Undo the 10mm nut that holds water pump housing togeter with the oil dipstick.
  • Take off the air intake assembly.
  • Move the PCM computer to one side, ensure that the module is safely placed.
  • Release the belt tensioner using a big flat screwdriver.
  • Remove the serpentine belt from the water pump pulley
  • Remove the upper radiator hose. This is held by a metal clamp. Use plyers to remove the clamp.
  • Remove also the clamp from the thermostat housing bypass hose, without removing the hose (you have to bleed coolant first).
  • Unscrew the four 10mm bolts that hold the water pump housing and letcoolant drain from water pump plug. At this point you can also removethe lower radiator hose to drain faster.
  • After coolant drains remove the water pump housing.
  • At this point you have to use a special Water Pump removal tool onwater pump cand turn clockwise until the pump is sliding off thehousing.
  • Remove the pump and the o-ring located inside the water pump housing.
  • Clean and grease the area, put a new o-ring and install back water pump housing
  • Install the new water pump using the special tool and following operations in reverse order.

You may need to use sealant tabs from a Cadillac or GM dealer. Here is what you need.
Better going to your local dealer to get the best product for yourCadillac. You will also need a 3/8'' ratchet, socket and extensions

Youmay also need to replace the housing cover gasket. You will need toreplace the O-Ring, that usually comes with the new pump.
When installing new pump you must also ensure that the new pump is aligned correctly,one of the tabs on the pump housing is different and will lock up the pump, so it must bealigned properly while installing.

Here pump:2000 Cadillac DeVille Water Pump

Here the special tool: Water Pump Removal and Installation Impact Socket

on Mar 16, 2010 | 2000 Cadillac DeVille

1 Answer

How to remove 2001 Cadillac deville water pump


It takes a special socket that you have to turn the pump 1/4 turn counter clockwise.

Aug 31, 2014 | 2001 Cadillac DeVille

1 Answer

Don't know how to remove water pump


for cadillac deville to remove water pump you need a special go to an auto part and rented all you do is turn it and will came out use a 1/2" ratchet

Sep 04, 2011 | 1998 Cadillac DeVille

1 Answer

Need a diagram showing exactly where the water pump is located on a 97 cadillac deville northstar


zjlimited_1587.jpg

Fig. Water pump assembly-4.6L Northstar engine (click image for zoom)



zjlimited_1588.jpg



Fig. Remove the water pump belt shield


zjlimited_1589.jpg


Fig. Remove the water pump adjuster pulley retaining bolt and


zjlimited_1590.jpg


Fig. Remove the water pump retaining bolts




Hope helps.


Jul 16, 2011 | 1997 Cadillac DeVille

1 Answer

How do i change the water pump belt on a 2001 Cadillac Deville .


2001 Cadillac Deville 4.6L SFI DOHC 8cyl Removal & Installation procedure...

1. Before servicing the vehicle, refer to the Precautions section.
2. Drain the coolant.
3. Remove or disconnect the following:
Negative battery cable
Upper fill panel, if equipped
AIR injection control valve, if equipped
Air cleaner
Oil level indicator tube nut, if necessary
Water pump belt cover
Water pump drive belt
Lower radiator hose
Thermostat bypass hose from the coolant inlet housing
Water pump cover

4. Remove the water pump by rotating it clockwise using special Tool J 38816-1A (water pump remover/installer).

To install:

1. Install the water pump with a new O-ring, by turning it counterclockwise using the special tool, until it stops. Torque the water pump to 73 ft. lbs. (100 Nm).

  1. zjlimited_842.jpg

Fig. To ensure proper operation, be sure to install a new O-ring (click for zoom)

2. Install or connect the following:
Water pump cover. Torque the bolts to 89 inch lbs. (10 Nm).
Lower radiator hose
Thermostat bypass hose to the coolant inlet housing
Water pump drive belt
Water pump belt cover
Oil level indicator tube nut, if necessary
Air cleaner
AIR injection control valve, if equipped
Upper fill panel, if equipped
Negative battery cable

3. Refill and bleed the cooling system.
4. Run the engine and check for leaks.


Hope this helps (remember to rate this comments)

Mar 10, 2011 | 2001 Cadillac DeVille

1 Answer

Replace fuel pump 1989 cadillac deville


Hello, The fuel pump is inside the gas tank. Remove the exhaust, Disconnect and remove all hoses and lines, also disconnect all electrical wires, remove 4 bolts from straps holding tank. Drop tank down. Remove lines and hoses from top of fuel pump module, remove lock ring, pull fuel pump module, turn unit as necessary so you don't destroy the fuel level sender. Hope this helps

Sep 04, 2010 | 1989 Cadillac Sedan DeVille

1 Answer

Put in new water pump on a caddie 1990 deville its got a drip and


Are the correct bolts on the pulley? Are they tight? May be a defective pump too.

Jul 02, 2009 | 1990 Cadillac Deville

2 Answers

1992 deville water pump leaks


You know the problem. What do you need?

Jan 07, 2009 | 1992 Cadillac DeVille

1 Answer

Trying to locate water pump on my 2000 caddy deville


Its on the same side of the engine as the transmission, driven by the belt up top. It requires a special socket to remove the pump from the housing.(also, the pump turns clockwise to remove!)

Dec 23, 2008 | 2000 Cadillac DeVille

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