Question about 1999 Nissan Altima

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On a 99 nissan altima it has 2 timing chain covers, a top one then a bottom one. Do I need to take off the bottom one to get the chains off right and to get the head off the eng?

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Yes. If you dont take both(the top and the bottom) you could get the chain caught on something. It would be much safer to take both ends off. Plus you will have to reset the timing on the car anyways, and in order to do that, you have to line up the marks on the crankshaft. Hope this helps. James Booth. PLEASE RATE THIS ANSWER!!! :) Thank you

Posted on May 18, 2011

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1 Answer

I need the timing marks for 2006 Nissan Altima Sl


There should be timing marks on the cam gears which, with a new chain from Nissan, will line up with specially colored links in the timing chain at Top Dead Center. This forum post goes into a bit more detail: Timing marks on the cam chain

Sep 29, 2017 | Nissan Cars & Trucks

1 Answer

I NEED TIMING CHAIN DIAGRAM FOR VQ20 NISSAN SERFIRO 1999


Instructions
  1. Remove Your Timing Chain
    • 1 Check your owner's manual for the recommended mileage for replacing your timing chain. Replacement for a Nissan Altima is 60,000 miles.
    • 2 Locate the timing chain. Replace it if the automatic chain adjuster (also known as the tensioner) is damaged or worn.
    • 3 Drain the cooling system and disengage the negative battery cable. Undo the spark plug wires and set the No. 1 piston at "Top Dead Center" (TDC) of the compression stroke.
    • 4 Disconnect the engine undercover, vacuum and fuel hoses, harness and connectors, drive belts, power steering reservoir, alternator and bracket, upper radiator hose, air duct, front exhaust tube, intake manifold collector supports, collector and exhaust manifold and the distributor.
    • 5 Prop up the oil pan and take out the front engine mounting, the valve cover, camshaft sprockets, cam bearing caps, camshafts, cylinder head bolts (reverse the installation order), cam sprocket cover, upper chain tensioner, chain guides and chain, idler sprocket bolt, cylinder head, intake manifold and cylinder head gasket and the steel oil pan.
    • 6 Place a steel cutter between the steel and aluminum oil pans. Slip the cutter around the oil pan's edge. Disengage the steel oil pan, baffle plate, oil strainer and the front tube.
    • 7 Secure the car on jack stands and place a seal cutter in between the oil pan and cylinder block. Slip the cutter around the oil pan's edge.
    Install Your Timing Chain
    • 8 Reconnect the crankshaft sprocket, oil pump drive spacer, idler sprocket and lower timing chain. Position the lower timing chain on the sprockets and line up the mating marks.
    • 9 Rub on an unbroken bead of liquid gasket and put in a new front cover and oil seal. Secure the bolt at 105 to 112 foot pounds (142 to 152 Nm).
    • 10 Eliminate any old material from the pan and cylinder block mounting surfaces. Rub on a 3.5 to 4.5mm bead of liquid gasket over the oil pan and cylinder block.
    • 11 Attach the upper timing chain to the idler sprockets and secure the cylinder head bolts.
    • 12 Refill the cooling system and add clean oil in the engine.
    • 13 Hook up the negative battery cable and any other disconnected parts or items. Start the engine and look for leaks.
Tips & Warnings
  • Procedures for replacing timing chains in Nissan Altimas vary slightly depending on engine size.
  • Make sure the new timing chain matches the chain you are removing.

Jun 12, 2012 | Cars & Trucks

1 Answer

I have take all the bolts that hold the timing chain cover on place but still don't come out does anyone have a diagram on how to


Check for any bolts coming up from oil pan into bottom of timing chain cover. If they are also removed, the cover may be stuck on with silicone, and just needs (gently) pried off.

Nov 07, 2011 | 2002 Nissan Altima

1 Answer

I need to know how to replace the timing chain on a 2003 nissan altima 2.5 engine.


I really hope you know what you're getting into.....Big & detailed job. I went on and posted the instructions as far as removal and installation of the timing chain. There is a whole other section that you need as far as removing the oil pan and strainer but way to much to post on here at this point. Anyhow, it's a 2 piece oil pan and just to let you know alot of the parts like the timing chain cover, oil pan, the cover on the timing chain cover does not have gaskets and Nissan doesn't either. You have to use some RTV and don't go cheap, get the good stuff because all the work that is involved in this you don't want to have to repeat because of a leak. Also the oil pump is in the timing chain cover and Nissan has had some problems in the past with them. I would suggest going online and finding a new oil pump that comes pre-installed in a new timing chain cover. You can pick the whole assembly including the cover for about $150.00 and worth it. Wish you were here I have one ready to go. Anyhow, email me at csautomotivecars@att.net and what I can do is send you the engine management section of my service manual in a PDF so you have the info on the oil pan removal.....You need it. It will also have all the stuff I am posting below so you can make it big enough to see or even print out if need be and no there isn't a cost for it. I'm in a good mood....lol. I hope this helps. Here is the timing chain instructions for you.


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May 31, 2011 | 2003 Nissan Altima

1 Answer

I want to know the times for the timing chain for the 2002 nissan altima


There are 2 chains and 4 sprockets total.
Here is an image of the parts involved:
http://www.alibaba.com/product-gs/277876630/timing_chain_kit/showimage.html
The most important thing to do is first pull the sparkplugs, so you can easily turn the engine over by hand.
Then set the crankshaft to TDC, (top dead center), for cylinder #1,
The crank turns half the speed of the cams, so it comes up twice. You need to put it on the one for cylinder #1. Which you can verify with the cam cover off. The cam lobes need to be away from the valves at #1, but in contact with #3.
With the cam cover off, you should be able to also see the makes on the cam sprocket. I believe they line up with the top edge of the head. But you will be able to easily figure it out with the cam cover off. The chain probably has no marks on it. And the middle idler sprocket does not matter. Only the bottom crank sprocket and 2 camshaft sprockets matter. However, you make only have a bad tensioner or slipper. But replace the whole set if you do any chain. It is not worth having to do over again.

Feb 09, 2010 | 2002 Nissan Maxima

1 Answer

Does a 1999 nissan altima gxe have a timing belt or a timing chain and if it does have a chain does it have to be replaced as often as a belt?


I think it has a chain. look where the timing chain/ belt should be. if there is a large plastic cover, it has a belt, it its a aluminum cover, it has a chain. there is no replacement interval on a chain.

Sep 21, 2009 | 1999 Nissan Altima

1 Answer

Timing chain tensioner


I have a '94 Altima with 2.4 liter 4 cyl. engine. At around 150K the timing chain and tensioner were replaced - should solve your problem, too. If you're sure the chain is rattling you should really get it serviced now, not later. Also, if your car is running rough it could be more than just the chain and tensioner; it could be your ignition system, such as plugs, coil, distributor, etc. Bottom line is, your car needs to be checked out right away.

Apr 21, 2009 | 2003 Nissan Altima

1 Answer

1993 nissan altima engine problems


how many miles on engine?
..stop, get quotes for rebuilt complete ../and complete low mileage used motor to compare before spending any more money

Nov 07, 2008 | 2002 Nissan Altima

2 Answers

What will my car sound like, if the timing chain needs to be replaced? I have a 1997 Nissan Altima.


there will be a rattle the front of the engine. the end with all your pulleys and belts on. And it will be hard to work out if it's in the engine or the pulleys.

It is a common that a TICKING coming from the front of the engine is the timing chain guide.

This -->LINK<-- will help you alot.

Regards

Philip

Jul 31, 2008 | 2000 Nissan Altima

1 Answer

'94 Nissan Altima rattles


Hi there,
you will need new upper timing chain and sprockets. Common problem on altima your year. Nissan has TSB for it. First they had us remove the upper timing chain guide, but after that, they had us replace all top chain components.

Jul 12, 2008 | 1994 Nissan Altima

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