Question about Daewoo Nubira

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I have a Daewoo nubira 2.0 16v the timing belt broke damaging all my valve's I replaced it all now at 3000rpm there is a noise coming from the head pls help

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  • 352 Answers

PULL TIMING COVERS AGAIN, RUN VEHICLE...LOOK FOR SOURCE OF NOISE

Posted on Nov 24, 2014

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  • 49 Answers

Most likely a lifter rattle. Possibly replacing lifters, or shimming them will rid your noise.

Posted on Nov 24, 2014

  • charlesge1 Nov 24, 2014

    When the car is idling then there is no noise its only when I drive and only from 3000rpm can that be hydraulic lifters and must I replace them

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Posted on Jan 02, 2017

  • 7 Answers

SOURCE: jumped timing belt

hi mine has done the same the engine does not free wheel so you will have valve damage and will need to remove cyl head to rectify but your cyl head should be ok the repair is a simple operation and easy to do just be careful resetting timing you can get valves for approx£5 each reckon you will need at least two and headsets for approx £ 27.00 all aavible from ces motor factors dont forget to get head skimmed and get the people who skim it for you to fit the new valves

Posted on Jan 13, 2009

Ray190te
  • 61 Answers

SOURCE: timing marks for a daewoo nubira cdx

Here is a pic if the timing marks two small marks on the cam pulleys and one small cut away on the crank pulley .
3d2c66e.png

Posted on Jan 19, 2009

emissionwiz
  • 75822 Answers

SOURCE: cannot figure out timing marks on a 2000 daewoo nubira

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

Posted on Mar 04, 2009

  • 1 Answer

SOURCE: replacing timing belt on daewoo nubira 2000 model

Instructions Difficulty: Moderate Things You’ll Need:

  • Set of ¼-inch drive sockets ¼-inch drive ratchet Set of ½-inch drive sockets ½-inch drive ratchet Set of 3/8-inch drive sockets 3/8-inch drive ratchet Set of metric wrenches Floor jack Jack stands
Step1 Raise and support the vehicle on jack stands. Remove the intake air temperature wiring, the breather hose and intake air hose. Take off the air cleaner assembly. Step2 Remove the right wheel. Remove the accessory belts. Remove the crankshaft bolt and the crankshaft pulley. Remove the power steering bolts and the timing belt covers. Temporarily install the crankshaft bolt and turn the engine clockwise until the mark on the crankshaft pulley, which is a triangle stamped into the crank sprocket, is aligned with the corresponding triangular mark on the block. Step3 Make sure that the timing marks are aligned on the camshaft sprockets. These are a line on each sprocket that runs through a tooth on each sprocket. These lines should line up in the middle between each sprocket and point toward each other. If they do not line up, turn the crankshaft one more time and they will line up. It takes two turns of the crank to one complete revolution of the cam. Step4 Loosen the water pump bolts; using the 3/8-inch ratchet, turn the water pump clockwise away from the belt and loosely tighten the bolts to keep it there. Remove the timing beltmag-glass_10x10.gif. Make sure the timing marks are aligned and install the new belt starting on the right side from the crank sprocket and working counterclockwise. Keep all the belt tension on the right side away from the tensioner. Step5 Loosen the bolts in the water pump and rotate the water pump counterclockwise to apply tension to the belt. Watch the tensioner, which is above the water pump, and apply tension with the water pump until the pointer on the tensioner lines up with the notch above it. Lightly tighten the water-pump bolts. Step6 Turn the engine two more times and align the timing marks perfectly. Loosen the water-pump bolts and, using the ratchet, apply tension to the belt until the tensioner pointers are aligned. Tighten the water-pump bolts. Step7 Install the timing-belt covers and the bolts in the power-steering pump and tighten. Remove the crankshaft bolt and install the crank pulley and the bolt, then torque the crankshaft pulley bolt to 70 foot pounds of torque. Install all components in reverse order of removal.

Posted on Mar 08, 2009

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1 Answer

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firing order 1342 timing belt alaing the mak on the gears to the block

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Please follow this link to the see the whole process with diagrams of the belt change. Please note if the belt broke you likely have bent valves.

Oct 17, 2012 | 1999 Daewoo Nubira

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Does the timeing belt have to be on for the crank to turn the cam when instilling the timeing belt?


Are you replacing a broken timing belt? Or are you replacing a belt because it's due by miles? If the belt is broken, i strongly suggest inspecting for bent valves. Daewoo is notorious for bending all valves and breaking valve guides in the cylinder head when the timing belt breaks. The broken belt is also common.

Aug 05, 2011 | 2000 Daewoo Nubira

1 Answer

Would there be a noise / sound if the valves bend during this time??? I Lost all Power to my Car and just pulled it off the road, and my mechanic told me my valves were bent. he took everything off and...


Sounds like the Timing belt broke while the motor was running, the engine would have died when that happened unless you busted a cam shaft. if the Timing belt was broken and it happened while the motor was running there is a 90% probability that you bent every valve in the head assembly from contact with the pistons.

Jun 02, 2011 | 2000 Daewoo Nubira

1 Answer

My timming belt broke and i replace it and i only can compression on the number 3 clyinder what do i need to do


your Daewoo has an interference engine, when the timing belt brakes the valves hit the top of the pistons, and get bent. you will need to remove the cylinder head an replace the valves.....sorry.

Apr 27, 2011 | 2000 Daewoo Nubira

1 Answer

Daewoo nubira injectors arent firing ...the timing belt broke which bent the valves ive had the head fixed and put back to gether and it still wont start....afte some tests we found the injectors are...


if timming marks were set correctly and it is single cam engine were lifters bleed out before assembly? it may not have any compression
may have to remove top rocker cover only and use lever to push down on rockers to there is clearance between cam

Jun 10, 2009 | 1999 Daewoo Nubira

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Broke timing belt and bent valves . i have reconditioned the head and replaced timing belt but have no oil presure . how do i get to the oil pump to check


When you put on the head there are two oil pressure plugs under the cams with reverse torque heads. Did you put them in the new head?

Mar 14, 2009 | 1999 Daewoo Nubira

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2000 nubira timeing belt broke


yes it is possible for the valves to get bent depending on how long it was ran after the belt broke

Jan 12, 2009 | 2000 Daewoo Nubira

1 Answer

Timing belt broke


Daewoo engines bend valves when the belt fails ,confirm this with a cylinder leakage test.
Here is a picture of the timing for a 16 valve engine
11fa785.png

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