water pump replacement. !!!!!!!!
water pump replacement. !!!!!!!!
Anyone done this before? I am having a problem cause it looks like i need to take half the car apart and take off the harmonic balancer. I will prabobly need a harmonic balancer puller right? Anyone know where i can buy one? My car is out of order till i get this fixed so quick replies please hehe or call 773 - 677- 7863
dave
dave
Lead Lap
Joined: Apr 2004
Posts: 790
Likes: 0
From: Arizona
You can usually go to checker or another local auto parts store and borrow one under their loan a tool program , call around and check. Sears or harbor freight should have them as well 
I have a brand new water pump if you need it , cheap! replace drive belt tensioner while in there as well.
I have a brand new water pump if you need it , cheap! replace drive belt tensioner while in there as well.
Last edited by turbogs300; Dec 30, 2004 at 11:29 PM.
While you are in there, replace the timing belt and rollers as well. The work is extensive but straight forward. Expect 3-8 hours depending on your skill and available tools such as impact wrench.
Lee
Lee
well before i have to worry about the puller. The large bolt holding it in place will not budge for anything. I'm using a big impact with 160 psi behind it and a propane torch to try and heat it but no luck at all.
Originally Posted by Pearlpower
That bolt is on there pretty good. On my SC300 I had to use a breaker bar to get it. The SC4 and GS4 both came off with a 125psi impact gun.
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Originally Posted by turbogs300
Make sure you're going the right direction.
Lexus has a special tool to hold the crankshaft pulley to prevent turning while loosening. You're going to have to lock the crankshaft pully somehow.
Lexus has a special tool to hold the crankshaft pulley to prevent turning while loosening. You're going to have to lock the crankshaft pully somehow.
i give up!!! I used a 4 foot steel breaker bar on the wrench and the screw wouldn't budge for anything. I will have to take it in to get it done somewhere.... damn stupid screws. Unnecessarily tight. 
Rookie
Joined: Apr 2004
Posts: 81
Likes: 0
From: Texas
I had to replace my crank pulley and it was HARD AS HELL!!
Finally after days of trying the only thing that managed to work was propange torch and impact gun.
With a breaker bar have your tried to brace it on something like the frame and tap the starter? Normally thats what I do with most cars.
Finally after days of trying the only thing that managed to work was propange torch and impact gun.
With a breaker bar have your tried to brace it on something like the frame and tap the starter? Normally thats what I do with most cars.
i had the crank pulley secured with a bunch of clamps.... it wasn't moving. The propane torch didn't get the bolt hot enough to make a difference and the impact still couldn't get it off even with 160 psi. maybe an acetylene torch would have done it. The car is at the mechanic now so i'll see how they do.
Rookie
Joined: Oct 2012
Posts: 58
Likes: 0
From: fl
im doing a full over haul on my gs and i heated the bolt and i used a impact with 350lbs of torq n it came right off just don"t be afraid of heating the bolt i left the torch for a while on the bolt and i also thought dang im going to mess something up but it was all good.im also changing everything so i wont have to worry about it again,from head gasket up ,water pump,hydro tensioner,belts,pullys ,etc the whole nine mit as well since im at it and u should to just to be safe..
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brock125
GS - 2nd Gen (1998-2005)
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Oct 5, 2009 09:23 AM