Question about 1989 Cadillac Sedan DeVille

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1989 Cadillac DeVille--The water pump just went out. Will we have to remove any other parts in order to get to it to replace it?

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If you have the 3.8 ltr you just remove the belt, then the coolant hoses and then the bolts securing the pump to the block. Note: there is one long bolt in the pump that can be removed thru the access hole in the body side rail.
If you have a 4.1 or 4.5 ltr engine, you must first remove the A/C accumulator from its bracket, remove the right cross brace and the accessory drive belt. Remove the water pump pulley to pump bolts and then the pulley and lastly the bolts securing the pump to the block.

Posted on Jul 04, 2009

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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

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

2 Answers

Explain easiest wAy to remove the starter off of 1989 Cadillac deville


here you go hope it helps Tim:

http://www.ehow.com/how_5100688_change-starter-cadillac-deville.html

Oct 16, 2010 | 1989 Cadillac Sedan DeVille

1 Answer

Water leak from bottom water hose connected to engine.part seems to be cracked


That is the water pump inlet housing. I've seen plenty of them rusted out. It needs to be replaced.

Sep 20, 2010 | 1989 Cadillac Sedan DeVille

1 Answer

How to replace1989 cadillac sedan deville fuel pump


TO replace the fuel pump, remove the gas tank. When replacing the fuel pump also replace the strainer on the bottom of the pump and replace the fuel filter.

Sep 20, 2010 | 1989 Cadillac Sedan 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

Where is the water pump located on a 1989 cadillac deville and how do i change it


located on front of engine above harmonic balancer sugest you have mechanic replace due to dificulty if bolts are overtightend you could end up replaceing timing cover.

Apr 21, 2010 | 1989 Cadillac Sedan DeVille

1 Answer

Water pump installation


Northstar? If so get one at your local auto parts store!

Apr 08, 2009 | 1992 Cadillac DeVille

1 Answer

1989 cadillac deville,started overheating. what probem might I be having and how can I fix it?


check your pullies to see if they will rotate . it is possible that one of the following is stuck. water pump, alternator,idler, compressor or power steering

Oct 10, 2008 | 1989 Cadillac Sedan DeVille

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