August 20, 200916 yr So my friend asked me try and figure out why his 79 brat has 0 oil pressure... I've never done anything on the old engines, but I just finished building an engine for my Legacy Turbo, so I know my way around engines somewhat at least, but I'm looking i the engine bay going wtf? 1) Where the heck is the timing belt? THere arent any obvious timing covers, unless they are metal... 2) Where the f is the oil pump? Are they driven off the crankshaft like EJ series engines? Anything helps, I'm completely new to these old engines... Does anyone have a pdf copy of a FSM or any engine diagrams?
August 20, 200916 yr Author Well I got one question answered... They're a pushrod engine lol... whodathunk it lol
August 20, 200916 yr The oil pump is on the front of the engine. The oil filter screws directly onto it.
August 21, 200916 yr Basically the only thing that these old motors share in common with the new ones is that they are horizontal 4s. Other than that throw out any knowledge you have of the new stuff cause it doesnt transfer over lol. As said above no timing belts since its a pushrod motor. The oil pump is indeed on the front of the motor and is gear driven. If its not registering any oil pressure and still sounds like its running good then i would bet either the gauge or the sending unit is shot the bed. The sending unit should be hanging below the oil filter (you will see a wire attached to it with one screw). Hope this helps. Edited August 21, 200916 yr by hatchsub
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