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Anonymous Posted on Apr 23, 2012

How to replace water pump on 2006 buick lucerne with 4.7l northstar engine

1 Answer

Lewis coronel

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  • Posted on Dec 23, 2013
Lewis coronel
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Joined: Dec 23, 2013
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Remove air box & air tube loosen throttle body 2 clamps disconnect Hoses on pump area remove rear cover 4 10mm bolts from rear of pump disconnect two bolts on housing bottom then 4 bolts on center housing two more are on lower rear between eng & tranny the other two are front lower 8 total remove nut fuel line clamp disconnect Wiring move housing out pump area 2-3 inch disconnect tensioner & remove water pump 5 x 10 mm bolts install new pump & reassemble good look 2-3 hours

5 Related Answers

clifford224

Clifford Beard

  • 1975 Answers
  • Posted on Jun 15, 2011

SOURCE: I have a 2006 Buick Lucerne CXS and I'm wondering

There are 2 different engines that came in the Lucerne in 2006 and I am not sure which one the CXS had. In any case below are pictures of both engines as well as locations. If you have the 3.8 liter (6 cylinder) engine you can add coolant directly to the radiator in the spot marked "A". But on your regular fluid checks you want to make sure that where the "B" is marked that the overflow tank there has fluid up to the line that says "full". If you have the 4.6 liter (8 cylinder) engine the overflow tank and where you fill up the radiator are the same (location "A") so that is the location you would fill the radiator as well as check to make sure there is coolant to the "full" line on the tank on your regular fluid checks, When you look at the pictures below you will understand easier. I hope this helps and good luck.

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Anonymous

  • 106 Answers
  • Posted on Mar 19, 2009

SOURCE: 2000 buick lesabre - water pump replacement

first disconnect the battery then check how the serpentine belt is lined up so u can take it off and put back on. Then the pump should be on the side of the motor with 9or12 bolts there could be more! after taking out take razorblad and skrap the old gasket clean wipe of then put new gasket and pump back on dont over tighten the screws cuase the pump my be aluminum.

GM Elec

Bruce Bracey

  • 1000 Answers
  • Posted on Apr 21, 2009

SOURCE: 2006 Buick Lecerne airbag light stays on

The Air Bag light is indicating it see's something wrong with the system.
Go to you local Auto Zone or Advance Auto and have them scan for codes. They will do the scan at no cost to you.
Let me know what the codes are and we can go from there.
Regards,

honeymokey

honeymokey

  • 3113 Answers
  • Posted on Jun 16, 2009

SOURCE: 2007 buick lucerne has water leaking into the

Remove trunk trim and covers , close trunk and wet car now look for leak source.

Anonymous

  • 521 Answers
  • Posted on Aug 04, 2009

SOURCE: WHERE IS THE BATTERY LOCATED ON A 2006 BUICK

Battery is locate dunder the rear seat bottom cushion.

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https://ibb.co/ScQR8xn
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How do you get the air out of a coolant system in a 2007 Buick Lucerne ?

In 2007 the Buick Lucerne was equipped with 2 engine options. 3.8 Liter OHV V6 and the Northstar 4.6 Liter V8.

Was the cooling system recently opened? What was serviced?

The 3.8 has a 7mm bleeder screw on the top of the thermostat housing. A funnel in the radiator is helpful to bleed the air. You will notice the upper radiator hose curves to a higher elevation than the bleeder screw. Manipulation of the hose by hand may be needed to get the air out. I recommend and use a cooling system funnel to help. It minimizes mess as well. ( https://smile.amazon.com/Lisle-24680-Spill-Free-Funnel/dp/B00A6AS6LY/ref=sr_1_1?ie=UTF8&qid=1488855489&sr=8-1&keywords=lisle+cooling+system+funnel ) There are other brands available as well.

I do not recall if the Northstar V8 has a bleeder on all models, but some do have a similar bleeder screw. Be sure the system is filled initially and manipulate the hoses up and down as well as squeeze them to get air moving. The Northstar water pump is on the back side of the engine driven by the camshaft. The upper hose runs along the front of the engine bay and connects to the radiator at the top on the passenger side of the engine bay.

For both vehicles, fill as much as possible cold. Start and idle. As the temperature increases, I recommend occasionally revving the engine to between 1500 and 2000 RPM to fill heater core and move coolant with a little more force.
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How do I replace the water pump on a 2006 buick lucerne cx 3.8 v6

first take hose off, or drain from drain plug. antifreeze is what you are draining. Then get a 15 mm rachett and socket and pry tension pully back so you can remove belt. unbolt water pump and take off. Once off clean engine block with razor blade,or something to get old gasket off. put a thin layer of rtv blue permatex on new water pump. Now put new gasket on new water pump on top of the permatex . let dry and set up, this will keep the gasket from moving around when putting back on. follow the process backwards and should b 30 min job . GOOD LUCK YOU CAN DO THIS FOR SURE. ONE OF THE EASIER ONES.........................
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How to remove water pump from buick lucerne of 2006?

This should help,
https://www.youtube.com/results?search_query=How+to+remove+water+pump+from+buick+lucerne+of+2006%3F
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Alternator

A good mechanic with all the special tools can do it in an hour. Releasing and reinstalling the serpentine belt is what the special tool is needed for. the rest is simple socket wrenches to get the mounting bolts out.
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What about the the cxs lucerne which is a 4.6 l motor on the rear water pump the pulley comes to the valve cover you have to pull that pulley out with a puller or what to get the valve cover off because this removing the cap ain't going to do it is that pulley goes all goes right through the valve cover and it don't just slide off very easily so how do you get it off. This is the picture of the front cylinder Bank the rear of it where the water pump belt holds up bolts on to you that's cool you there is what turns the water pump now how do you get that off yet we got to pull it off of the pool right
3_6_2021_10_24_02_pm.jpg
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