Question about 2001 Daewoo Lanos

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HYDRAULIC LIFTERS Hello I sent my Daewoo Lanos 1.4 (2001) for a major service. They test drove the vehicle at approximately 100 - 120 km per hour for 25km. When I collected my vehicle - I drove for approximately 1km before the engine switched off. The mechanic said that the oil sludge jammed the hydraulic lifters. I cannot get a second opinion as he overhauled the head. I am not mechanically minded and dont understand how a good working car that goes for a service is now immovable. Any idea or advice?

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  • 17 Answers

SOURCE: hydraulic lifters

Hi, If they are new lifters they will take a little time to fill with oil then will stop tapping. Phil

Posted on Sep 11, 2008

  • 58 Answers

SOURCE: hydraulic lifters

Yes, but there is still a lot of stuff to move out of the way to get in there and pull them. I would try all the chemical remedies for sticky lash adjusters (oil flush, marvel's mystery oil, etc.) first, then check the timing belt to see if a worn timing belt has let it slip a tooth and the valve timing is off for that reason before digging into the lifters. There used to be a forum that had video and audio from a subaru legacy this model before and after swapping out a bad lifter. Google for it and see if the noise matches.

Posted on Mar 21, 2009

  • 121 Answers

SOURCE: 98 daewoo lanos ignition timing appears to be

try the distributor maybe it needs reset with the timing

Posted on Jun 05, 2009

  • 8 Answers

SOURCE: daewoo lanos 1997

check to see if you have used the rigth grade of oil. hydraulic lifters rely on right oil to remain pumped up to right pressure.

Posted on Jun 10, 2009

  • 336 Answers

SOURCE: I just replaced all of my hydraulic lifters and no compression!

Yes, you've overtightened the lifters causing the valves to not close completely. If you did not prime the new lifters before you installed them and tightened them with the engine off they are most likely collapsed. back off all of the rockers to just snug and make sure the engine is running when you readjust them. Usually you need to let new lifters sit in a can of oil for a while to fill up. I've used a syringe to fill lifters prior to installation. Did you replace the push-rods also? If so were they the same length as the originals?

Posted on Sep 20, 2009

Testimonial: "Very helpful and it had confirmed what I did. The push are in good shape. The lifter were primed in oil. Thank you very much your help. Aloha!"

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1 Answer

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Hi. I can give you a simple, but time consuming test to do to check your intermittent compression problem. New hydraulic lifters cause a lot of problems until its settled. Remove the camshafts and the hydraulic lifters. Take each hydraulic lifter and put it in a vice(becarefull not to damage them) and squeeze out all the oil in the lifters. Then put them back and replace camshaft and allign timing marks. Check compression ratio. What happens sometimes is that the oil pressure is too high(stuck oil pressure release valve or cold thick oil) and this causes the oil pressure to put so much pressure on the hydraulic lifters, that it slightly forces the valve open. That will cause your low compression as well as backfire through the intake.

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1 Answer

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check to see if you have used the rigth grade of oil. hydraulic lifters rely on right oil to remain pumped up to right pressure.

Jun 06, 2009 | 1999 Daewoo Lanos

1 Answer

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try the distributor maybe it needs reset with the timing

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1 Answer

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1 Answer

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1 Answer

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TRY CHECKING THE VALVE LIFTERS, MINE WERE CLOGGED UP THICK AND SOLID. DRAIN ALL OIL CLEAN SUMP CLEAN LIFTERS AND VIOLA!

Jun 18, 2008 | 2002 Daewoo Lanos

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