turbojohn Posted September 19, 2007 Report Share Posted September 19, 2007 Searching the site, I can't see how the fuel tank sender attaches to the fuel line tube. I'm thinking it's welded? This pump/sender unit is from an unknown "junkyard" unit. Note the wire ties holding the sender unit on....not really something I want to rely on. Quote Link to comment Share on other sites More sharing options...
turbojohn Posted September 19, 2007 Author Report Share Posted September 19, 2007 Is the sender unit from a GP the same as the TGP? Should I just buy a new unit and go on? Quote Link to comment Share on other sites More sharing options...
Garrett Powered Posted September 19, 2007 Report Share Posted September 19, 2007 I think there the same. you might want to try it because they cost around $300 when I bought mine. I know I will be trying a junkyard one on my other car. the fuel light comes on and thats all the warning I get. Quote Link to comment Share on other sites More sharing options...
turbojohn Posted September 20, 2007 Author Report Share Posted September 20, 2007 I looked around a little bit and found these. Hit the button to check price on page. I placed an order for one. https://www.autopart.com/SPI_Sending_unit/SendingUnit1989PONTIACGRANDPRIX.htm Quote Link to comment Share on other sites More sharing options...
turbojohn Posted September 20, 2007 Author Report Share Posted September 20, 2007 I like this place "Rock Auto" because they list the Grand Prix McLaren Edition. They offer four fuel tank senders for this car. Different manufactures. http://www.rockauto.com/dbphp/mak,OLDSMOBILE,1989,CUTLASS+SUPREME+INTERNATIONAL,1223075,3.1L+189cid+V6+MFI+%2528T%2529,Fuel%252FAir,4436,Fuel+Tank+Sending+Unit Quote Link to comment Share on other sites More sharing options...
TGPilot Posted October 9, 2007 Report Share Posted October 9, 2007 The hard fuel return line should have a mount tack welded to it that the sender's clips grab. Quote Link to comment Share on other sites More sharing options...
turbojohn Posted October 9, 2007 Author Report Share Posted October 9, 2007 That was a messed up deal. I went and purchaced a new unit. So now the car has a new tank, sender unit and Walbro 225 pump, O-rings etc... filter, injectors. I didn't replace the car though Quote Link to comment Share on other sites More sharing options...
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