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OEM Timing Chain Kits?

18402 Views 13 Replies 6 Participants Last post by  smj999smj
My '05 VQ has the dreaded timing chain noise so I'm scouting around in search of an an OEM kit that has the top and bottom chain and sprockets, guides, etc. But all I'm finding is aftermarket kits (rock auto, amazon, etc.). Every mechanic I talk to says only buy OEM.

Can anyone recommend a good aftermarket kit or suggest a solid lead for OEM nissan parts? Thanks in advance.
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I've done four of these, already. In my experience, the guides show little or no wear unless something has broke. There is also no need to replace the gears, as they typically show no wear, as well. These are multi-plate links, not like the old style, roller links used on cars in the '60s and '70s. I would look up the TSB on the job and order everything on the list, with the exception of the sealant. Instead, get Permatex Ultra Grey Rigid High Torque sealant that comes in a tube that is used in a caulking gun; it will make installing the sealant a whole lot easier! In addition to what's on the TSB, I would get the primary chain and primary chain tensioner, a Nissan thermostat, a water pump and coolant. If your serpentine belt squeaks or has close to 100K miles on it, I would get a new Bando belt and a belt tensioner from Rockauto.com (you can get the water pump there, as well). CourtesyParts.com or NissanPartsDepot.com are good places to get genuine Nissan parts.
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Do you have to remove the back cover if you replace the entire Tensioners and not the Plastic piece? I know you don't have to with just the plastic piece.

Someone stated on this forum that you would have to remove the back cover in order to change out the entire two secondary tensioners.
You have to remove the back cover in order to get the upper tensioner bolts out...so, "yes."
It's very likely you won't actually need timing chains. The chains are usually in good shape and very serviceable unless your tensioners have failed in such a way that the chain gets damaged. Replacing just the tensioners should do the job without having to replace the chains. Having said that, the OEM chains are not all that expensive really if you want to change them out. I just saw my timing original timing chains (I've been the only owner and bought it new in 2006) today and they look like they are new still. I have just over 120,000K on the truck. 2 out of the 3 tensioners were worn badly. Actually, the tensioners themselves weren't worn, but the plastic/composite guide rails were. Still with the 2 in bad shape, my truck wasn't making any terrible noises. Had I not had a low oil pressure at idle issue, I would never have considered replacing the tensioners and guides.
The tensioners get worn through because there were issues with the stamping of the links from the manufacturer, which is Borg-Warner. Therefore, the upper timing chains have to be replaced or the same thing will occur, again. There's a TSB on the issue instructing to do just that.
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