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snippits

92 Oldsmobile Cutlass need advice about heater core removal.

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snippits

Removing and replacing heater core on a 92 Oldsmobile Cutlass Supreme S, 3.1 engine, LHO VIN T.

Down below in bold, and underlined is what I don't completely understand from the repair manual. 

"Disconnect the negative battery cable.
 
Properly drain the engine coolant into a suitable container.
 
Remove the upper weatherstrip from the body.
 
Remove the upper secondary cowl.
 
Remove the lower secondary cowl upper nut.
 
Disconnect the heater hoses from the heater core."

 

 

 

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55trucker

The *upper* weatherstripping being referred to is that length of rubber that seals the hood when it is down.

The secondary cowl cover is that plastic shield that you see which is full of leaves. Remove both of them to get at the fastener that is below the cover.

Aside from releasing the heater core hoses everything else is done inside the passenger compartment.

 

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snippits

OK I understand now.  Thanks!

Guess that means I got to take the windshield wipers off too, so I can remove the cowl that is full of leaves.  I will give it a good cleaning while it's off.

I got the clamps/hoses off of the heater core already, and they were a PITA.  Had to use flexible hose clamp pliers to get the clamps off.

 

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55trucker

Take some relief in knowing that if you had the LQ1 engine in there to get at the heater hose fittings one has to pull up the upper plenum assembly to allow one to get access to them.

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1987 GMC Jimmy

Even though I knew better deep down, I was hoping after seeing this that the heater core was removed from the outside like on a GM B/G Body. Maybe an A Body, too. Oh well...

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