Question about 2000 Daewoo Lanos

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2000 Daewoo. Lanos won't start after lining up timing marks

Replaced the timing belt, lined up the marks exactly like a similar post, but still can't get the car to crank. I got it to backfire only once, but nothing since. What am I missing???

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  • wildkat20 Jun 26, 2009

    yes a winney sound kind of like its not getting compression, top two marks 3 oclock/ 9 oclock and the bottom arrow to 6 oclock, checked the spark and they all fire also I can smell gas

  • wildkat20 Aug 24, 2009

    The engine is not cranking at all and yes it is all lined up. My other question is that I don't know if one of the cams was turned separately while the belt was off, in the wrong direction. I was getting help from my son and I think he turned one of the cams the wrong way to help line it up. How can I tell and what do I do. I see the lobes with the valve cover off. The 1st one and the 4th one are up and the 2 in the middle are facing down. I can only rotate the cams, with the belt on, towards the firewall. Is this correct?

  • wildkat20 Aug 24, 2009

    First gear I turned until I got resistence. Then tried another gear. I am able to line them all up, but I'm concerned my son had initially turned one in the opposite direction than he should have. So how do I make sure they are all turned in the correct direction while being lined up. I think this is the real reason I can't get the timing correct. I have been working on this for almost a year now and I'm very frustrated.

  • Aaron Murchison
    Aaron Murchison May 11, 2010

    did you line up the mark on the crank pully as well as the cam shafts? was the cylinder 1 at top dead center? does the engine not crank or crank at high speed (whinny sound)?

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  • Daewoo Master
  • 450 Answers

Did you turn over any gears while belt was off to align timming marks?
if so did you encounter a resistance and forced the gear over with a bit more than normal force?
if so you could have bent valves which will cause back fire on start up run and dies then wont start again seen a few apprentices get caught by this from forgetting to align marks up before removal of belt or on assembly of head to block. then realising marks are out try to align and have bent valves.(there is a way to do this safely)
check compressions if very low in a couple or all cylinders valves are bent.

Posted on Jun 26, 2009

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  • Steve Hurc
    Steve Hurc Aug 24, 2009

    remove rocker cover put cam lobes facing up and if there is a gap between lobe and valve bucket you have got bent valves head then needs removing and valves and possibly valve guides need replacing

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1 Answer

Where is the timing mark for the camshaft on a 2000 Daewoo Lanos?


Here is the entire timing belt replacement procedure.
Required tools:
13mm open end wrench 10mm shallow and deep socket 8mm socket long flathead screwdriver 17mm deep socket T50 torx socket 1/4", 3/8ths and 1/2" ratchets and extensions E10 inverted torx sockets 6mm Allen wrench 15mm open end wrench 7mm socket 12mm open end wrench 14mm socket 12mm socket 8mm, 9mm and 10mm Allen head sockets 19mm socket pry bar needle nose pliers
If you are doing this because your timing belt broke you will also need to buy a complete cylinder head, head gasket set, and both idler pulleys. ALL DAEWOO MODELS WILL BREAK THE INTAKE AND EXHAUST VALVES WHEN THE TIMING BELT BREAKS.
Start by removing the air cleaner assembly from the throttle body, remove the air filter and housing jack up the vehicle and remove the wheel, remove the plastic shielding in front of the accessory drive belt assembly, remove the accessory drive belt, place a jack with a block of wood on top underneath the engine oil pan remove the front engine mount, remove the crank shaft pulley ( the 4 Allen head bolts only not the 17mm bolt in the center.) remove the metal plate behind the engine mount bracket on the engine, remove the plastic timing belt cover 3 clips on top 2 10mm bolts on bottom. Rotate the engine until the #1 cyl. is at Top Dead Center on the compression stroke or line up the crankshaft timing mark with the mark on the inner timing belt cover ( notch in cover with notch in pulley) on the camshaft pulleys -- ( intake cam line up the line on the pulley with the line on the inner cover)( exhaust cam line up the arrow on the pulley with the arrow on the inner cover) loosen the 13mm bolt in the belt tensioner and using the Allen wrench rotate the tab until there is slack in the belt. Remove the belt. At this time I would recommend you replace the water pump, both plastic idler pulleys as they tend to overheat and lockup, and the belt tensioner. Make sure all your marks are lined up, you may need a helper to hold the Exhaust Cam in place as it tends to move during belt installation. Put the timing belt underneath the crankshaft pulley, install the belt leaving the intake cam for last and NO BELT SLACK on the right side between the crank and the exhaust cam. Once the belt is installed rotate the crankshaft over 2 revolutions and make sure is rotates freely, and your timing marks are aligned perfectly if not the engine will not run properly, tension the belt as needed. Installation is the same as removal.

To clarify, on the DOHC engine, the intake cam gear has a line on it, and the exhaust cam gear has an arrow on it. These should be lined up with the corresponding line and arrow on the VALVE COVER, pointing straight up. I just went through this process over the weekend, and spent quite a bit of time looking for these marking as I had removed the valve cover. Once I found them, it was plain and simple.
In addition, be sure to not over tighten the belt when reinstalling. The tensioner has markings on it for "old" and "new". DO NOT adjust past "new", as the car will sound like a jet engine, and the belt will not last for very long.
One more item that you may as well replace while you are in there is the cam position sensor if you have not already, as there have been issues with them, and the timing housing has to be opened to get to it

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2 Answers

Daewoo lanos timing belt replacement how?


Required tools:
13mm open end wrench 10mm shallow and deep socket 8mm socket long flathead screwdriver 17mm deep socket T50 torx socket 1/4", 3/8ths and 1/2" ratchets and extensions E10 inverted torx sockets 6mm Allen wrench 15mm open end wrench 7mm socket 12mm open end wrench 14mm socket 12mm socket 8mm, 9mm and 10mm Allen head sockets 19mm socket pry bar needle nose pliers
If you are doing this because your timing belt broke you will also need to buy a complete cylinder head, head gasket set, and both idler pulleys. ALL DAEWOO MODELS WILL BREAK THE INTAKE AND EXHAUST VALVES WHEN THE TIMING BELT BREAKS.
Start by removing the air cleaner assembly from the throttle body, remove the air filter and housing jack up the vehicle and remove the wheel, remove the plastic shielding in front of the accessory drive belt assembly, remove the accessory drive belt, place a jack with a block of wood on top underneath the engine oil pan remove the front engine mount, remove the crank shaft pulley ( the 4 Allen head bolts only not the 17mm bolt in the center.) remove the metal plate behind the engine mount bracket on the engine, remove the plastic timing belt cover 3 clips on top 2 10mm bolts on bottom. Rotate the engine until the #1 cyl. is at Top Dead Center on the compression stroke or line up the crankshaft timing mark with the mark on the inner timing belt cover ( notch in cover with notch in pulley) on the camshaft pulleys -- ( intake cam line up the line on the pulley with the line on the inner cover)( exhaust cam line up the arrow on the pulley with the arrow on the inner cover) loosen the 13mm bolt in the belt tensioner and using the Allen wrench rotate the tab until there is slack in the belt. Remove the belt. At this time I would recommend you replace the water pump, both plastic idler pulleys as they tend to overheat and lockup, and the belt tensioner. Make sure all your marks are lined up, you may need a helper to hold the Exhaust Cam in place as it tends to move during belt installation. Put the timing belt underneath the crankshaft pulley, install the belt leaving the intake cam for last and NO BELT SLACK on the right side between the crank and the exhaust cam. Once the belt is installed rotate the crankshaft over 2 revolutions and make sure is rotates freely, and your timing marks are aligned perfectly if not the engine will not run properly, tension the belt as needed. Installation is the same as removal.

To clarify, on the DOHC engine, the intake cam gear has a line on it, and the exhaust cam gear has an arrow on it. These should be lined up with the corresponding line and arrow on the VALVE COVER, pointing straight up. I just went through this process over the weekend, and spent quite a bit of time looking for these marking as I had removed the valve cover. Once I found them, it was plain and simple.
In addition, be sure to not over tighten the belt when reinstalling. The tensioner has markings on it for "old" and "new". DO NOT adjust past "new", as the car will sound like a jet engine, and the belt will not last for very long.
One more item that you may as well replace while you are in there is the cam position sensor if you have not already, as there have been issues with them, and the timing housing has to be opened to get to it

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1 Answer

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theres a line on the crank facing down. the cams have a line that need to face one another. good luck save as fixya thanx

Sep 23, 2008 | 1999 Daewoo Lanos

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