Mysta2 Posted March 31, 2016 Report Share Posted March 31, 2016 I can't seem to link the pic directly but this is the BAT listing: http://bringatrailer.com/2015/08/05/best-year-72k-mile-1975-datsun-620/ There are a couple of brackets under the hood of my truck that I can't figure out, one of them is next to or behind the horns and in that BAT listing looks to be holding a round blue canister of some sort. Is this an emissions thing? There's also what looks like a small AC compressor hanging off the drivers side of the engine block of my truck with two one inch hoses sticking out of it. The hoses are cut. Is this some kind of emissions circulation pump? 1 Quote Link to comment
flatcat19 Posted March 31, 2016 Report Share Posted March 31, 2016 The big blue circular can in the ad is the air filter housing. A pump on the engine, drivers side could be an AC compressor or an air pump. Im not familiar with how the 620s did emissions BS. 2nd picture in article...see those vents on the bottom of dash? That's factory installed AC option. Do you have the same panels? Ad for your own pics...loaf everything into a photobucket folder. You can do it on the computer or your phone. C/P the IMG code into the text box you type all your messages into. Quote Link to comment
Mysta2 Posted March 31, 2016 Author Report Share Posted March 31, 2016 I did consider saying "not the big blue air filter" but I thought that was already obvious. The other round blue canister I prefer to host my own pics on my website. But it takes days for them to upload to google, and it's dark outside, so I used a pic from the internets instead. Quote Link to comment
Rick-rat Posted March 31, 2016 Report Share Posted March 31, 2016 Air filter assy for the air pump (smog) Check out wwwcarpartsmanual.com 2 Quote Link to comment
flatcat19 Posted March 31, 2016 Report Share Posted March 31, 2016 EVAP vent? Again, I don't know how the 620s work when it comes to emissions. Quote Link to comment
Mysta2 Posted March 31, 2016 Author Report Share Posted March 31, 2016 Air filter assy for the air pump (smog)Check out wwwcarparts.com That seems logical. If this is what you meant Flat Cat, I misunderstood. They're both air filters. Quote Link to comment
Rick-rat Posted March 31, 2016 Report Share Posted March 31, 2016 wwwcarpartsmanuals.com lots of info on what the parts are, good for idenifying what parts are Quote Link to comment
flatcat19 Posted March 31, 2016 Report Share Posted March 31, 2016 No. Rick got it right. My first guess was the big, obvious blue thing. So many of our Datsuns have Weber or other carbs....maybe you never seen an original air filter. IDK. Quote Link to comment
datsunaholic Posted March 31, 2016 Report Share Posted March 31, 2016 There's also what looks like a small AC compressor hanging off the drivers side of the engine block of my truck with two one inch hoses sticking out of it. The hoses are cut. Is this some kind of emissions circulation pump? That's the smog pump. Quote Link to comment
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