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Dave Nova
Dave Nova, Buick Technician
Category: Buick
Satisfied Customers: 1808
Experience:  ASE Master Certification. GM World Class Certification
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I have a 1996 Buick Century with a 3.1 V-6 engine. When

Customer Question

I have a 1996 Buick Century with a 3.1 V-6 engine. When re-installing the roller hyd. lifters / does it make any difference which way the oil hole is pointing? I have to the front or to the rear of the engine block.
Submitted: 11 months ago.
Category: Buick
Expert:  Nate replied 11 months ago.

It really doesn't matter. The pressurized oil will flow around the groove of the lifter and into the hole not matter which way the hole is pointing.

Expert:  Nate replied 11 months ago.

One thing you might want to be careful of is not to over torque the rocker arms when you re-assemble. The threads strip out very easily and its a huge pain to have to repair the threads once they pull out.