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GM 3.1L (1996) Heater Hose Diagram? #5424352 05/08/20 08:53 PM
Joined: Mar 2004
Posts: 2,127
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92saturnsl2 Offline OP
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Anyone know where I can find a parts diagram for the heater hoses on a 1996 Grand Prix? Not having any luck on Google.

There's an inlet and outlet hose for the heater core obviously, but Rockauto lists several different types-- they don't specify inlet or outlet, rather something vague like heater to pipe-1 and heater to pipe-2. I bought new hoses and can't identify which is which, and I can't compare to the old ones because the previous owner rigged up their own hose using small pieces and hose unions. I need to get them on there before I put everything together (so I can't just trial and error) because it's a bear to get back there once the intake and everything is installed on the engine.

That or can anyone take a pic of the area if they own one of these 3.1L of this generation? Any help would be appreciated.


96 Grand Prix SE (project car)
04 Odyssey EX 205k Shell Rotella T5 10w-30
96 Maxima GLE 275k Mobil Super HM 5w-30
07 Chrysler Pacifica Limited 4.0L 151k Mobil1 EP 0w-20
Re: GM 3.1L (1996) Heater Hose Diagram? [Re: 92saturnsl2] #5424355 05/08/20 09:02 PM
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chemman Offline
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Go to www.wholesalegmpartsonline.com and select the information for your car, then select the appropriate area and lots of diagrams will become available to you.


92 Olds 88 Hav 5w30 PL/L24011
99 Buick Century Hav 5w30 PL/L24011
99 Silverado 5.3L Hav 5w30 PL/L25288
04 TrailBlazer 4.2L Hav 5w30 PL/L25288
Re: GM 3.1L (1996) Heater Hose Diagram? [Re: 92saturnsl2] #5424403 05/08/20 10:54 PM
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Chris142 Online Content
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Once you have the new hoses figuring where they go will be easy


02 Wrangler Napa high milage 10w40
87 F250 Valvoline 15w40
07 fjcruiser Car lube plus 10w30
Z400 castrol T 10w40
Can am Maveric edge 5w40
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