Question about 1990 Oldsmobile Cutlass Ciera

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Replace thermostat on 1990 cutlass ciera

I need to replace the thermostat on a 1990 cutless ciera. The engine is a 3300 side mounted. Would you be kind enough to give direction on how to do this?

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  • Anonymous Mar 25, 2014

    need to know where tcc plugs into engine to disconnect



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The easy way to find this is to fallow your bottom raditor hose to the engine where it attaches is called the thermostat housing remove the hose and remove the four bolts then take out the thermostat replace it and re install don't for get your antifreez you will need to replace it do to the loss when you remove the hose

Posted on Dec 05, 2008


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1 Answer

Replace thermostat

Follow the top radiator back to the engine at end of it will be the thermostat housing ther will be 2 bolts that mount it to the engine.Remove the 2 bolts and thermostat is underneath.

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May 29, 2010 | 1990 Oldsmobile Cutlass Ciera

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The thermostat should be just off of the engine. Just follow the main rad hose from the radiator. Post if you need more.

Apr 21, 2010 | 1990 Oldsmobile Cutlass Ciera

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RH Side Of Engine. 42277335

Front RH Side Of Engine

Applicable to: Cutlass Ciera & Cutlass Cruiser w/V6-231/3.3L

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Oct 04, 2009 | 1990 Oldsmobile Cutlass Ciera

1 Answer

Hello i have an oldsmobile 1990 when its started work good but that go hot itsnot work corectly and go turn off

Have you tried replacing the Coolant Temperature Sensor? It's on the passenger side of the engine, under the engine part that says "3300" on the top. One is the sender for the temp. gauge, and the other is the one for the computer. The one on the right side is the CTS.

Sep 10, 2009 | 1990 Oldsmobile Cutlass Ciera

1 Answer

1990 Oldsmobile Cierra camshaft pully

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goold luck

ASE certified
plz rate

Feb 09, 2009 | 1990 Oldsmobile Cutlass Ciera

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