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My 91' Sentra 2.0L SE-R broke a rocker arm, I ordered the rocker arms needed, but when i took apart the vavle cover, i noticed that one of the valve shims from the broken rocker arm seemed to be missing. I looked pretty much everywhere in the engine for it (without completely taking it apart), but no luck. So i went to the dealership to see if they could order me the part. Aside from not knowing anything about the part I needed, he told me there was only 1 part number for it, but around 23 sizes. The rocker arm sits upon 2 metal shims, one is universal for every valve, but the other seems to have different sizes and weights.
So what I am asking is , should I take off another rocker arm and measure the size of that valve shim, or is it different for every individual valve. I would also like to know of any good sources for a blowout of the 91 sentra se-r 2.0 engine. I'm not a genius at all when it comes to cars, so I need as much guidance as possible. Thank you to anyone who responds, this is VERY important to me. If needed,ask me any questions to help you understand my problem more clearly.
So what I am asking is , should I take off another rocker arm and measure the size of that valve shim, or is it different for every individual valve. I would also like to know of any good sources for a blowout of the 91 sentra se-r 2.0 engine. I'm not a genius at all when it comes to cars, so I need as much guidance as possible. Thank you to anyone who responds, this is VERY important to me. If needed,ask me any questions to help you understand my problem more clearly.