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LS - 1st and 2nd Gen (1990-2000) Discussion topics related to the 1990 - 2000 Lexus LS400

Crankshaft pulley puller

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Old Oct 8, 2010 | 09:56 AM
  #16  
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if your ecu doesnt have power it wont start. are you getting any engine codes? or no power at all inside the car? find what blew the fuse and fix it and then replace the fuse. might be your problem.

and yes, the timing belt turns while the engine is cranking. its supposed to.
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Old Oct 8, 2010 | 10:57 AM
  #17  
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Okay so I checked the battery it trys to crank but wont so I tested the right coil it has spark but the left dont, could that be a main fuse? or just that the coil is out?
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Old Oct 8, 2010 | 12:07 PM
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check the connector to the coil. if the clip is broken it might have unpluged as you bolted it down. i had this issue when i put it back after changing the starter. pushed it back in and it started so i found a good clip i had in the garage and changed it. also check the connectors to the cam sensor on that side.
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Old Oct 8, 2010 | 12:19 PM
  #19  
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I did everything is connected so should I replace the coil? The junk yard here wants 30$
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Old Oct 8, 2010 | 12:56 PM
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check the plug by the fuse box that goes to the engine harness. its got a bunch of pins. kind down just below on the side of the shock tower next to the over flow reservoir. also, if it ran before you pulled it apart, the coil didnt go bad. its likely a loose connection on a connector somewhere.
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Old Oct 8, 2010 | 03:50 PM
  #21  
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i think timing is off, because the left cam mark is right on the dot but the right is abit off and the crankshaft mark is off to the left not the right, so i think timing is off, so when io try to crank the car, The Valve is open and theres no compression right?"
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Old Oct 8, 2010 | 07:51 PM
  #22  
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Originally Posted by kelley5795
What cyl is 1#? could I have messed up by not making sure 1# cyl is top centre on the firing stroke?
The short answer is yes, you could be off by one complete crankshaft revolution depending upon what you have done so far. The crankshaft rotates twice for each complete revolution of the cams. So depending upon what has happened, it is possible that you have the crank off by one revolution. Then again, if you were careful, you should be ok. TDC means, of course, Top Dead Center of cylinder #1. Meaning the piston is at the top of its travel. Turn the crank another full turn and the markings on the crank pulley will still show 0 degrees but now the #1 piston will be at the bottom of its travel. If you take cylinder #1 spark plug out and insert a long screwdriver down the hole until it contacts the top of the piston and turn the crank slowly, you will see the screwdriver shaft go up and down with the piston. When the screwdriver is in the highest position and the crank marking is at 0 degrees TDC, then you have the crank timing correct for lining up the cam marks.
I believe cylinder #1 is the first(front) on the LH (drivers) side of the engine.
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