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Re: need help
these pumps aren't hard to change. just follow the instructions ZsevneeONE posted. oh, and when you are reinstalling it, be careful. in the timing gear (the injector pump drive gear), there are TWO holes the pin can fit in...you want the OVAL shaped hole...not the round one. it will not bolt in right if you put it in the round hole...it's not a hard job though. and as for replacing the lines...sure, you could, but when i did injector pumps (the SAME ONES) on the military Hummers, we NEVER changed the lines unless we had a bad one that leaked...
 <---thanks 454SS!!
1991 Chevy Silverado K1500 extended cab, 350, 700R4 with shift kit, exhaust work...in need of body work...lol...
1983 GMC Sierra K1500 sold... 
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Originally Posted by MBaxter
These later trucks are nowhere near as good as the 88-95s.
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