np231 has no drain plug?
#1
07-08-2014, 01:50 PM
np231 has no drain plug?
Help. My 1979 gmc jimmy np 231 has no drain plug. The spot where others have a 30mm bolt is smooth. Every pic on the web shows a bolt there, but mine has none. Where is it? Sorry!, my mistake, mine is a 203. You loosen a lower bolt.
Last edited by cpcsof; 07-08-2014 at 05:30 PM.
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