78 warren Posted July 21, 2012 Report Share Posted July 21, 2012 I have 78 datsun 510 4 door, with a 2.0l motor. It has a coolant leak under the air cleaner housing. i cant find it need help.... Quote Link to comment
Zeusimo Posted July 21, 2012 Report Share Posted July 21, 2012 Intake Manifold Front Left Of The Carb Quote Link to comment
banzai510(hainz) Posted July 21, 2012 Report Share Posted July 21, 2012 I dont know if the lter 510 had a hot water line to the intake manifold/ If there is might be a hose to it. ck that Quote Link to comment
Zeusimo Posted July 21, 2012 Report Share Posted July 21, 2012 My 78 L20b Has That Hose It Eventually Cracks In Half... Simple Fix Quote Link to comment
ggzilla Posted July 21, 2012 Report Share Posted July 21, 2012 I had a leak for the last few months, but never could find it. Finally I spotted "rust" stains on the bellhousing (but no coolant leak). It was a pinhole leak in the heater hose. Not enough to see the leak, but I could spot the evidence. Quote Link to comment
datzenmike Posted July 21, 2012 Report Share Posted July 21, 2012 On the L20B, the coolant in the intake was only used with the W-58 heads from '78 up.. Quote Link to comment
Zeusimo Posted July 21, 2012 Report Share Posted July 21, 2012 Also Look For Rust On Any Freeze Plugs Quote Link to comment
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