macattack Posted June 1, 2015 Share Posted June 1, 2015 my compressor has been leaking oil for a while and i think its time to replace. 96 mack mr688s.how tough of a job is it to replace and is there anything a person should be aware of.any tips are greatly appreciated.thanks Quote Link to comment https://www.bigmacktrucks.com/topic/40284-tips-on-replacing-compressor-on-e7-300-mech/ Share on other sites More sharing options...
theakerstwo Posted June 1, 2015 Share Posted June 1, 2015 Yes there is a oil tube in the end of the crankshaft of the comp that can not be left out.It will fall on the floor some times but it transferes oil from the acc drive shaft to the comp crank shaft.The rest you can see what to do.Remenber to drain the coolany and very good ideal to replace both coolant lines. 1 Quote glenn akers Link to comment https://www.bigmacktrucks.com/topic/40284-tips-on-replacing-compressor-on-e7-300-mech/#findComment-291985 Share on other sites More sharing options...
macattack Posted June 1, 2015 Author Share Posted June 1, 2015 thanks buddy.did not think of the coolant lines. Quote Link to comment https://www.bigmacktrucks.com/topic/40284-tips-on-replacing-compressor-on-e7-300-mech/#findComment-291990 Share on other sites More sharing options...
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