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Jake
Jake, Nissan Technician
Category: Nissan
Satisfied Customers: 3990
Experience:  Experienced collision repair technician, Pulaski Tech graduate and DSM hobbyist.
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I have 34/11 cabstar 2.5turbo I have a realy bad sound coming

Customer Question

Hi I have 34/11 cabstar 2.5turbo I have a realy bad sound coming from rear of engine when cold . eases of as comes up to work/temp is it timing chain.steve
Submitted: 1 year ago.
Category: Nissan
Expert:  Jake replied 1 year ago.
Hey there, when you say "rear of the engine" are you talking about the rear side of the timing cover? Does it sound like a knock or more of a rattle?
Customer: replied 1 year ago.
its more of a wuring/chaffing sound not as fast as engine not a knock not con rods not been short of oil .
Expert:  Jake replied 1 year ago.
Well a constant whirring sound could be an issue with the chain tensioner guide itself. The biggest determining factor would be to get a stethescope to pinpoint the exact location before making a final judgement.
Expert:  Jake replied 1 year ago.
Timing chain tension is controlled by oil pressure, when the tensioners themselves fail they have trouble building up pressure to keep the guide taught on the chain for good tension.
Jake and other Nissan Specialists are ready to help you
Customer: replied 1 year ago.
Hi jake thanks for your help its now with Nissan having new timing chains and tentoiners (belt n braces) at quite an expence steve.
Expert:  Jake replied 1 year ago.
Steve, yes unfortunately its pricey because of the extensive labor. Sorry it turned out to be such an expensive diagnosis.