Question about 2003 Nissan Altima

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Timing belt issue in 2003 altima - 2003 Nissan Altima

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  • MrMills May 11, 2010

    the altima has a timing chain that last the lifetime of the motor..there is no timing belt. there is only timing adjustment. 9 times out of 10 the timing chain will last longer than the motor without having to be messed with. do you have the 2.5 or 3.5 i know for sure the 3.5 is chain im not sure about the 2.5 if your having issues it isnt your timing chain more than likely

  • Portsidehoa May 11, 2010

    What exactly is the issue?

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Camshaft sensor or crankshaft sensor

Posted on Feb 17, 2009

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Removing tensioner assembly


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1 Answer

Why wont my 2003 Nissan Altima start???


do you know for suir that the belt or chain snapped and was it after you were told it snapped that you got all this work done on the car ???

Apr 23, 2014 | 2003 Nissan Altima

1 Answer

Belt diagram


Here's a link to your belt diagram.Cool name.

May 22, 2013 | 2003 Nissan Altima

1 Answer

My 2003 Altima 2.5s makes a humming type (vibration?)sound.


I have a 2003 Nissan Altima making a humming sound towards the front of the motor at idle in Park.

Not sure if alternator or compressor.

Not rattle from timing cover has to be something Nissan already denies.

Apr 12, 2012 | 2003 Nissan Altima

1 Answer

I have a 2003 Nissan Altima. Do I have a timing Chain or Belt. How long does the timing chain last? I have 195,000 miles on my car.


Timing chain. Normally they will last for at least 150,000 miles or longer. If it becomes noisy or car is hard to start, backfires, or performance is sub-par have it checked.


May 17, 2011 | 2003 Nissan Altima

1 Answer

DOES A 2002 NISSAN ALTIMA HAS A TIMING BELT


No timing belt. your Altima has a timing chain. No service necessary unless the chain is stretched out. I have seen just a hand full of those since they came out, so you should be safe. You will get the check engine light to come on with the p0335 cam position sensor to come on in few cases that I have seen and it was a stretch chain. other than that no real issues with timing chains.

Apr 09, 2011 | 2002 Nissan Altima

1 Answer

Timing belt replacement millage


The Nissan Altima does not use a timing belt, it uses a chain driven camshaft, timing chains have no set mileage and should last the life of the engine.

Jan 31, 2011 | 2003 Nissan Altima

1 Answer

At how many miles is the radiator supposed to be flushed? Also, what about the timing belt? I have a 2003 Nissan Altima and don't have the maintenance guide. I have kept the oil and filter changed on a...


2003 Nissan Altima 2.5 S maintenance manual says 60 k miles or 48 months to flush the coolant and replace it. 105 k miles or 84 months replace the timing belt.

Oct 01, 2010 | 2003 Nissan Altima

2 Answers

2003 nissan altima


My sincere apologies for the severly delayed response.
I am personally going back to answer your unanswered questions.

I do not know if you still need this information, however I am answering it in case you still do.

Click on the following direct Link. It has several Diagrams for your Belt depending on your engine size and options (AC/No AC etc.) AND whether you have Tensioners OR Locking/Adjusting Bolts/Nuts.
IF APPLICABLE: These point out the direction of rotation for the Tensioner in order to loosen and reinstall the Belt.
IF APPLICABLE: These also point out where the Locking and Adjusting Bolts/Nuts are, to loosen the belt and remove; and reinstall the Belt and .

Standard Rules to Removal the Serpentine Belt with a Tensioner:
1. Find the Tensioner(s). (See Diagrams on Link)
2. Using a Serpentine Belt Tensioner Tool, Or Wrench OR Ratchet, Rotate/Move the Tensioner USING THE AVAILABLE NUT (on the Pulley or Arm Base) OR the OPENING (3/8ths or 1/2 inch square opening) rotating it\moving it away from contact with the belt and towards the area where the belt is not in contact with the Tensioner Pulley. The Tensioner is spring loaded, and is hard to rotate/move.
3. Remove the loosened belt off one of the other more easily accessed Pulleys.


Standard Rules for Installing the Serpentine Belt with Tensioners:
a. Pick a Pulley that is most easily accessed. This will usually be on top. This will be the last Pulley that the belt will go on.
b. Using the Diagram: Install the new Serpentine Belt on the remainder of the Pulleys....over, under, left right.
c. Using a Serpentine Belt Tensioner Tool or Wrench or Ratchet Tool: Rotate/Move the Tensioner Pulley/Arm "away" from Belt contact area on the Tensioner. This spring is pretty hard and with a new belt, it will be even harder to install. Rotate/Move this to as-close to the maximum allowed inorder to have enough slack in the belt to get it up and over the last pulley.
d. Using your other hand - Pull the Belt up and over the Last remaining Pulley.
e. Before releasing the pressure on the Tensioner, visually inspect the remainder Pulleys and the Belts' Positioning on them
Let me know if this helped, or if you have additional information or questions. Feel Free to contact me at FixYa.Com!


http://www.2carpros.com/car_repair_information/year/2003/make/nissan/model/altima/2003_nissan_altima_drive_belt_routing_diagram.htm

Feb 17, 2010 | 2003 Nissan Altima

1 Answer

2003 Nissan Altima when I turn on the A/C the belt vibrates alot


Check all the belt pulleys, it sounds like there is too much play (from normal wear, bearings worn) and that is causing the vibrating belt. It would be best to remove the belt 1st, then check for play at the pulleys.

Jul 24, 2009 | 2003 Nissan Altima

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