Toyota Lexus Pontiac Scion Engine Water Pump - 1AEWP00178

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Vehicle Fit

Highest Quality Materials

Made from highest quality materials that meet or exceed OEM standards

Direct Fit Replacement

Direct fit replacement part guaranteed to fit and function properly for your specific application

Quality Tested

Quality tested and built to a strict level of product standards

Item Condition: New

Attention California Customers:

WARNING: Cancer and Reproductive Harm -

Lifetime Warranty

This item is backed by our limited lifetime warranty. In the event this item should fail due to manufacturing defects during intended use, we will replace the part free of charge.

  1. step : Draining the Coolant (0:26)
    • Raise and support the vehicle on
    • Remove the eight 10mm bolts from the splash shield
    • Pop the clips out of the splash shield
    • Remove the splash shield
    • Place a drain pan beneath the vehicle
    • Loosen the radiator drain by turning it counterclockwise
    • Drain the coolant
    • Tighten the radiator drain
  2. step : Disconnecting the Battery (2:38)
    • Loosen the negative terminal with an adjustable wrench
    • Set the terminal off to the side
  3. step : Removing the Serpentine Belt (3:13)
    • Loosen the 10mm negative battery terminal
    • Familiarize yourself with the route of the serpentine belt
    • Insert a breaker bar and 19mm socket into the tensioner
    • Slowly turn the tensioner clockwise to loosen the belt
    • Pull the belt off the alternator
    • Slowly release the tensioner
  4. step : Removing the Alternator (5:53)
    • Unbolt the positive cable bolt from the alternator with a 10mm socket and ratchet
    • Remove the 10mm bolt from the alternator bracket
    • Unclip the bracket with a flat blade screwdriver
    • Disconnect the alternator connector
    • Pop the harness mounts out of the brackets
    • Remove the 14mm bolt from the alternator
    • Remove the 12mm bolt from the alternator
    • Maneuver the alternator from the bracket with a pry bar
  5. step : Removing the Water Pump Pulley (11:02)
    • Disconnect the crank pulley wiring harness
    • Feed the wire out of the metal channel near the pulley
    • Hold the pulley with a pulley removal tool
    • Remove the four 12mm bolts from the pulley
    • Tap the pulley off with a ball peen hammer
  6. step : Removing the Water Pump (15:05)
    • Loosen the 10mm bolts from the wire bracket
    • Remove the bracket
    • Remove the 10mm bolts from the water pump
    • If needed, tap the water pump with a dead blow mallet to break it free
    • Pry off the water pump with a pry bar
  7. step : Installing the Water Pump (19:31)
    • Clean off the seating surface with a razor blade
    • Clean the studs with a wire brush
    • Insert the gasket into place
    • Put the water pump into place
    • Place the wire bracket on and the bolts hand-tight
    • Tighten the 10mm bolts
    • Torque the bolts and nuts to 80 inch-pounds or 7 foot-pounds
  8. step : Installing the Water Pump Pulley (22:12)
    • Slide the water pump pulley on
    • Tighten the 12mm bolts to the pulley
    • Clip the crank position sensor into place
    • Run the wire up into place
    • Clip the wiring harness into place
    • Clip the wiring harness
  9. step : Installing the Alternator (24:06)
    • Insert the alternator into place
    • Tighten the 12mm bolt to the alternator
    • Tighten the 14mm bolt to the alternator
    • Torque the 14mm bolt to 38 foot-pounds
    • Pop the harness mounts into the brackets
    • Connect the alternator connector
    • Insert the positive cable into place
    • Tighten the 10mm bolt to the positive cable
    • Place the boot on the positive cable
    • Insert the bracket into place
    • Tighten the 10mm bolt to the bracket
    • Clip the bracket on
  10. step : Installing the Serpentine Belt (27:40)
    • Loop the belt around the crank pulley
    • Bring it around the power steering pulley
    • Bring it around the water pump
    • Bring it around the A/C Pulley
    • Bring it around the crank shaft pulley
    • Bring it around the belt tensioner
    • Slowly pull the tensioner clockwise with a 19mm socket and breaker bar
    • Pull the belt over the alternator
    • Release the tensioner
  11. step : Reconnecting the Battery (29:00)
    • Reconnect the negative terminal
    • Tighten the 10mm bolt to the terminal
  12. step : Refilling the Coolant (29:13)
    • Insert a funnel into the radiator
    • Fill the vehicle with the appropriate coolant until it's topped off
    • Start the vehicle
    • Let the air bubbles escape in the funnel
    • Watch the coolant level
    • If the level dips, turn off the vehicle and refill the coolant
    • Wait until the system is bled
    • Place the radiator cap on
    • Start the vehicle

Tools needed for replacement:

    General Tools

  • Razor Blade / Gasket Scraper
  • Funnel
  • Hammer
  • Jack Stands
  • Drain Pan
  • Floor Jack
  • Wire Brush

  • Materials, Fluids, and Supplies

  • Anti-Freeze
  • Rust Penetrant
  • Paper Towels
  • Wire Ties

  • Pliers, Cutters & misc Wrenches

  • Side Cutters

  • Ratchets & Related

  • Socket Extensions
  • Ratchet
  • A Piece of Pipe (for leverage)
  • Torque Wrench
  • 1/2 Inch Breaker Bar

  • Screwdrivers & Related

  • Pry Bar
  • Flat Blade Screwdriver

  • Sockets - Metric

  • 12mm Socket
  • 14mm Socket
  • 19mm Socket
  • 10mm Socket

  • Specialty Tools

  • Dead Blow Hammer
  • Pulley Removal Tool
  • Serpentine Belt Removal Tool

  • Wrenches - Metric

  • 10mm Wrench
  • 14mm Wrench

3.67/ 5.0
3 reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Its leaking after 10 months
Im so disappointed that it is leaking after only 10 month.
October 20, 2017
water pump
great price free shipping whats not to like
March 6, 2019
Great product
Fits really good in my car (Toyota solara 2006 2.4) great quality no more leaks I just add extra sealer (3.99) really happy with the product and came on time
November 3, 2019
Will this fit my car? Add a vehicle to make sure
Customer Q&A
Ask a question to 1A Auto customers who purchased the product
Hi, does it come with gaskets ?
Jafar J September 8, 2019
The gaskets are not included. Thanks for the inquiry!
Andra M September 8, 2019
Year Make Model Description
2010-2012Lexus HS250h Lexus HS250h Engine Water Pump
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2005-2010Scion tC Scion tC Engine Water Pump
2011Scion xB Scion xB Engine Water Pump
2002-2009Toyota Camry Toyota Camry L4 2.4L Engine Water Pump
2009-2010Toyota Corolla Toyota Corolla L4 2.4L Engine Water Pump
2001-2007Toyota Highlander Toyota Highlander L4 2.4L Engine Water Pump
2009-2013Toyota Matrix Toyota Matrix L4 2.4L Engine Water Pump
2001-2003Toyota Rav4 Toyota Rav4 Engine Water Pump
2004-2005Toyota Rav4 Toyota Rav4 Engine Water Pump
2006-2008Toyota Rav4 Toyota Rav4 L4 2.4L Engine Water Pump
2002-2008Toyota Solara Toyota Solara L4 2.4L Engine Water Pump
Part 1AEWP00178
In Stock

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