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Jay
Jay, Nissan Technician
Category: Nissan
Satisfied Customers: 19267
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: 6 months ago.
Category: Nissan
Expert:  Jay replied 6 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 6 months ago.
When I say lifter I am referring to the bucket that have the size under inside of it.
Expert:  Jay replied 5 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 5 months ago.

What size engine is this? 2.5 or 3.5?

Customer: replied 5 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 5 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 5 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!