robbie95 Posted April 7, 2018 Share Posted April 7, 2018 So I lost a bolt.. I was changing the thermostat on my 91 2.5, lost the bottom bolt to the thermostat housing.. any ideas what size/kind it is? Link to comment Share on other sites More sharing options...
HOrnbrod Posted April 7, 2018 Share Posted April 7, 2018 Water pump bolts - grade 8: 3 @ 5/16-18x1-1/8" 1 @ 5/16-18x1-3/4" This is for a 4.0 - @$$ume it's the same for a 2.5? Link to comment Share on other sites More sharing options...
robbie95 Posted April 7, 2018 Author Share Posted April 7, 2018 13 hours ago, HOrnbrod said: Water pump bolts - grade 8: 3 @ 5/16-18x1-1/8" 1 @ 5/16-18x1-3/4" This is for a 4.0 - @$$ume it's the same for a 2.5? I think its different, I'm talking about the thermostat housing, it holds the thermostat and coolant temp sensor. Was looking around and a 5/16-18 3/4" seems to be the fit. Thank you though! Link to comment Share on other sites More sharing options...
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