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Jay
Jay, Nissan Technician
Category: Nissan
Satisfied Customers: 20386
Experience:  20+yrs experience with Nissan & Infiniti Trained & Certified.Currently still working for Dealer
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Trying to get valves in spec after dropping several lifters

Customer Question

Trying to get valves in spec after dropping several lifters when inspecting head prior to installation.
JA: How many miles are on the car? Have you noticed any leaks lately?
Customer: Was installing replacement head.
JA: What is the model/year of your Nissan?
Customer: 2006 nissan altima
JA: Are you fixing your Altima yourself? What have you tried so far?
Customer: Yes, installed lifters were I thought they should go, but several are out of spec, all lifers came on remanufactured head.
JA: Anything else you want the mechanic to know before I connect you?
Customer: No.
Submitted: 12 months ago.
Category: Nissan
Expert:  Jay replied 12 months ago.

hello my name is ***** ***** thank you for your question.

Are you talking about adjusting the shims for the valve buckets? You have no lifters.

Let me know..

Customer: replied 12 months ago.
When I say lifter I am referring to the bucket that have the size under inside of it.
Expert:  Jay replied 12 months ago.

Can you wait till later this evening for me to provide the specs for you?

Also is this a 2.5?

Expert:  Jay replied 11 months ago.

What size engine is this? 2.5 or 3.5?

Customer: replied 11 months ago.
its a 2.5, here are the buckets and measured clearances in present arrangements. Cylinder#1 Intake lobes, bucket 708mm, clearance. 008in , bucket 710mm, clearance .011in, cylinder #2 bucket 710mm, clearance .012in, bucket 718mm, clearance .013in, cylinder #3 bucket 714mm, clearance .012in, bucket 712mm, clearance .009in, cylinder #4 bucket 710mm, clearance .008in, bucket 724mm, clearance .005in. Exhaust lobes, cylinder #1, bucket 724mm, clearance .011in, bucket 726mm, clearance .011in, cylinder #2 bucket 724mm, clearance .014in, bucket 716mm, clearance .013, cylinder #3 bucket 724, clearance .012in, bucket 726mm, clearance .012in, cylinder #4 bucket 724mm, clearance .012in, bucket 724mm, clearance .011in.
Expert:  Jay replied 11 months ago.

https://dl.dropboxusercontent.com/u/105565483/5.pdf

That is how to determine which shim you need to get for your valve buckets.

Expert:  Jay replied 11 months ago.

If you have any more questions on this, please feel free to ask.

If not, and you're satisfied with my help, please Rate me. That is how I get credit for my work. I hope I have provided you with Excellent Service.

Thanks Jay!