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How to replace a timing chain on a 2005 nissan pathfinder

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About an 8 out of 10
lots of special tools makes life easier
here are the first 15 steps of 27 just to remove
if you think you still want to tackle it let me know and I'll update the post
(FixYa only gives me 30 minutes to post my answer)

1.) Remove engine cover with power tool.
2.) Release the fuel pressure.
3.) Drain engine oil.
*** note**** Do not spill engine oil on drive belts.
4.) Drain engine coolant from radiator.
****NOTE*** Do not spill engine coolant on drive belts.
5.) Remove radiator cooling fan assembly.
6.) Separate engine harnesses removing their brackets from front timing chain case.
7.) Remove drive belts.
8.) Remove power steering oil pump from bracket with piping connected, and temporarily secure it aside.
9.) Remove power steering oil pump bracket.
10.) Remove alternator.
11.) Remove water bypass hose, water hose clamp and idler pulley bracket from front timing chain case.
12.) Remove right and left intake valve timing control covers.
Loosen bolts in REVERSE order as shown
how to replace a timing chain on a 2005 nissan - 05d4a9b.gif
Cut liquid gasket for removal using Tool.

*** CAUTION***
Shaft is internally jointed with camshaft sprocket (INT) center hole. When removing, keep it horizontal until it is completely disconnected.

13.) Remove collared O-rings from front timing chain case (left and right side).

14.) Remove rocker covers (right and left banks).
NOTE:When only timing chain (primary) is removed, rocker cover does not need to be removed.
Obtain No. 1 cylinder at TDC of its compression stroke as follows:
NOTE:When timing chain is not removed/installed, this step is not required.

15.) Rotate crankshaft pulley clockwise to align timing mark (grooved line without color) with timing indicator.
Make sure that intake and exhaust cam noses (lobes) on No. 1 cylinder (engine front side of rihow to replace a timing chain on a 2005 nissan - 78d5bc0.gifre located as shown
If not, turn crankshaft one revolution (360°) and align as shown.
NOTE:When only timing chain (primary) is removed, rocker cover does not need to be removed. To make sure that No. 1 cylinder is at its compression TDC, remove front timing chain case first. Then check mating marks on camshaft sprockets..

Posted on May 29, 2010

  • badboy121220 May 29, 2010

    can you show me the left bank diagram also and is firing order 1 on the left or right please shoe me a diagram?

  • Sean Reisdorf
    Sean Reisdorf May 29, 2010

    crude but effective



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I have a 2005 Pathfinder LE.....I bought it new. I never really noticed before, but the engine sounds much louder than any other SUV I've been in. Are these engines supposed to be this loud?

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I have a 2005 Nissan pathfinder

I just had the same issue with the same mileage as yours. Mine is the sending/sensing unit and it causes the range, distance to empty, etc. to be incorrect. The dealer is replacing for just under...$500. Another problem has been a whining sound under the hood, which they diagnosed as worn timing chain guides...cost to replace the guides is about $1,400. Not replacing results in the chain running on metal and chain wear, not to mention that whine. The service advisor said these two issues are the most common problems with Pathfinders. Good luck with your problems.

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Timing chain wear

That is correct. If your engine is whinning at about 2000 rpm's and its a high pitch whine, you need upper timing chains and chain tensioners. aka plastic gizmo as you called it. The timing chains ride off the plastic portion of the tensioner causing the noise, basically the chain is riding on steal stub from within the tensioner, that's where the noise is coming from. Waranree on this is 5years or 60000 miles which ever comes first. And the new tensioners are updated parts.

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