That part page is out of Leaside 1938 catalogue. Here's the Durant US counterpart.

Can't find anything on Google search showing the W4A / W5A engines giving info or exploded view. Perhaps a DMACer can point Mark in right direction where to get his hands oily on his pump.

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Where Are You From? Ottawa Ont Canada

Do You own a car built by Durant? 1932 614 sedan made by Dominion Motors

Thank you Norm

Where Are You From? Colorado

Do You own a car built by Durant? yes

Mark,

Go into our tecnical page, then click on the Model 40 repair manual...That will have the W-5 engine repair with drawings.

Where Are You From? Leavenworth, WA / Yuma, AZ

Do You own a car built by Durant? Several

Thanks Bill. Page 107 shows fig 77 of the oil system at back of block on this pre 1927 Star engine.

Where Are You From? Ottawa Ont Canada

Do You own a car built by Durant? 1932 614 sedan made by Dominion Motors

Thank you Bill. I truly appreciate all of you. This is a new project for me. I rescued this car from an idiot who wanted to chop it up and make a rat rod out of it. s again you guys are amazing....Mark

Where Are You From? Colorado

Do You own a car built by Durant? yes

Hi Mark. sometimes when a motor is worn out the oil presser drops You might try using a heaver oil like 40 weight or even a 50 weight , Bert

Where Are You From? american canyon cal

Do You own a car built by Durant? three

Thank you Bert. I'll give it a try.Anything to try to avoid pulling that motor.

Where Are You From? Colorado

Do You own a car built by Durant? yes