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#355590 - 01/23/04 11:40 PM O2 Sensors?
Anonymous
Unregistered


Just saw the guy in the Parts For Sale forum selling new ones for CHEAP. How hard/easy are they to install? Can I do this myself? Do I need to have the car on a lift?

Thanks!

Erin.

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#355591 - 01/23/04 11:45 PM Re: O2 Sensors?
Ronman® Offline
Metroplectic

Registered: 01/23/01
Posts: 30473
Loc: MCO
If you have to ask...

Take it to a shop. Let them deal with them. On your northern car, they're almost invariably rusted in there, and will need some persuasion from a torch to come out.
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#355592 - 01/24/04 12:07 AM Re: O2 Sensors?
Michigansquadcar Offline
Over the Hill

Registered: 02/22/01
Posts: 4910
Loc: Southeast michigan
Quote:

On your northern car, they're almost invariably rusted in there, and will need some persuasion from a torch to come out.



Actually I never had one stick. They use antiseize during install.

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#355593 - 01/24/04 12:21 AM Re: O2 Sensors?
Anonymous
Unregistered


Anyone have a pic as to where they are underneath the car?

Erin.

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#355594 - 01/24/04 02:49 AM Re: O2 Sensors?
Kinger87 Offline

Poobah

Registered: 12/15/02
Posts: 7624
Loc: Gladstone MI
I took my exhaust manifolds out to get @ mine. bitches were tight.

bein a 98 however, I believe the front O2's are not in the manifold but a few inches downstream.
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#355595 - 01/24/04 08:24 AM Re: O2 Sensors?
Slentzer Offline
Over the Hill

Registered: 08/13/03
Posts: 1829
Loc: Reading, Penna
Quote:

On your northern car, they're almost invariably rusted in there, and will need some persuasion from a torch to come out.



If you do decide to tackle it yourself, spray those things with several doses of PB Blaster before you attempt removal. May do the trick instead of the fire wrench.
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Jeff
________
'09 M75 32,053 on 4/15/15. Perfect.
'94 P74 92,308 final on 4/13/15. State Farm owns her now. Miss you my friend.
'98 M74 Sold 8/09.
'91 M75 Deceased, thank God.
'89 M74 First love.

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#355596 - 01/24/04 01:48 PM Re: O2 Sensors?
johnnyiroc Offline
Over the Hill

Registered: 10/14/02
Posts: 4064
Torch Yeah FIRE FIRE! you almost need one every time .a long pipe to put on your breaker bar would help too.
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#355597 - 01/24/04 02:01 PM Re: O2 Sensors?
JohnG Offline
Tech Admin
Grand Poobah

Registered: 06/15/01
Posts: 13025
Loc: Socialist state of MN
I don't recall the O2s in the '93 CVLX being in the manifolds, but rather in the down pipes ahead of the front cats, just as in the 1999 CVPI.

They *can* be uncooperative. But if you are willing to try, there is nothing about changing them that requires any mechanical degree of expierence. Getting them unplugged, from my expierences, is the hardest part.
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#355598 - 01/24/04 02:21 PM Re: O2 Sensors?
Toms92LX Offline
Member

Registered: 11/16/03
Posts: 345
I had one stick on a 86 Mazda - ended up using 18 mm thread chaser to get the threads clean enough to get the new O2 sensor in The "rethreading was after I used a cheater to get mine loose

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