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Old 02-25-2013, 05:18 AM   #1
2.2 TURBO I swing valve  
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i want change my 02 sensor but impossible to unscrew it, I tried by all means, pb blaster, WD40, wrench ..... over the years the 02 sensor is like welded into the turbo swing valve, try to find a new swing valve on internet but impossible, maybe someone know where i can buy this swing valve, thank u
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Old 02-25-2013, 06:34 AM   #2
Re: 2.2 TURBO I swing valve  
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detobias is keeping our cars running
yes the O2 sensor can be VERY DIFFICULT to remove,
but the swingvalve is also Very hard to remove and replace :(

and there is a high likelihood that one (or more ) of the 5 swingvalve bolts breaks off within the turbine housing too.

you'll have to use an oxy-acetylene torch to heat the swingvalve up to cherry red in order to loosen up that old O2 sensor;

many mechanics have a small portable set of torches, maybe you can borrow ?

or you may have to take your car to a mechanic shop to have this done...
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Old 02-25-2013, 06:47 AM   #3
2.2 TURBO I swing valve  
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+1^ the o2 sensors require a lot of heat to remove. I have removed them in pieces before with a pipe wrench however. I do have extra swing valves but like he said, you'll break bolts changing it


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Old 02-25-2013, 09:11 AM   #4
Re: 2.2 TURBO I swing valve  
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Thank u detobias and maddogmech,Wow So swing valve is Also difficult to remove it!! The worst is that Any mechanic want do this job with torch because they are afraid about break something. If I try my self with a torch I am afraid to break the o2 sensor thread and after impossible to screw the new o2 sensor into the swing valve
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Old 02-25-2013, 09:22 AM   #5
Re: 2.2 TURBO I swing valve  
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tryingbe is keeping our cars running
Drill a hole in the downpipe and weld a new o2bung on there and leave the stock swing valve alone.
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Old 02-25-2013, 10:54 AM   #6
Re: 2.2 TURBO I swing valve  
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Quote:
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Drill a hole in the downpipe and weld a new o2bung on there and leave the stock swing valve alone.
I just did this last week. Got sick of trying to get the o2 out. The shop I took it to even had a huge pipe wrench on it and it wouldn't budge.

We just had a bung welded in the downpipe and put the new sensor in there. I knew better than to try to take the swing valve (I am used to calling them o2 housings) apart. That'd be worse than the sensor.
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Old 02-25-2013, 12:00 PM   #7
Re: 2.2 TURBO I swing valve  
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My method for removing O2 sensors on our turbo cars are:
1. break the ceramic tip off the O2, leaving the hex part
2. 6 point (not 12 point) 1/2" drive shallow socket
3. Extenson and breaker bar.
4. Still cant get it, get a bigger breaker bar.

I've had many, many tough ones on TI and TII rides and got everyone of them out by that method.
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Old 02-25-2013, 01:35 PM   #8
Re: 2.2 TURBO I swing valve  
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Quote:
Originally Posted by Steve in Va View Post
My method for removing O2 sensors on our turbo cars are:
1. break the ceramic tip off the O2, leaving the hex part
2. 6 point (not 12 point) 1/2" drive shallow socket
3. Extenson and breaker bar.
4. Still cant get it, get a bigger breaker bar.

I've had many, many tough ones on TI and TII rides and got everyone of them out by that method.
the problem is that the o2 bolt is colpletely worn (oval) so impossible ti une a shallow socket
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Old 02-25-2013, 02:14 PM   #9
Re: 2.2 TURBO I swing valve  
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ILIKESHELBYS is keeping our cars runningILIKESHELBYS is keeping our cars running
No doubt when they are that far gone and if not leaking the best cure is often to just cut a new hole and weld in a new bung. Also note that if there is some of the old O2 sensor nut housing left one of those Sears or Harbor Freight tool rounded nut extractor sets MIGHT be worth a try if you have one handy, but dont go buy one for this task alone expecting to get a tough one out. The secret is heat. Without it, you will end up grinding down the O2 sensor remains w/a Zizz wheel then drilling out the guts and tapping the remaining sparkplug hole. If you are real careful, you can use a Dremmel tool and a small chisel and tap hammer as the last tools to cut the old O2 sensor threads from the swing valve housing and be able to skip the re-tap of the O2 sensor receiver hole. This is the level I have had to go to get one out without destroying the housing or having to weld a new bung in place down the a-pipe somewhere...and there should be no problem w/that as long as the wire will reach and U/have clearance.

It's a total bear trying to do all this in a car if you don't have the firewall clearance. Loosen the front motor mount so the engine can swing down in the front for extra clearance at the back and for better access to the O2 sensor. Forget
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Old 02-25-2013, 02:37 PM   #10
Re: 2.2 TURBO I swing valve  
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Quote:
Originally Posted by tryingbe View Post
Drill a hole in the downpipe and weld a new o2bung on there and leave the stock swing valve alone.
Quote:
Originally Posted by polonez View Post
the problem is that the o2 bolt is colpletely worn (oval) so impossible ti une a shallow socket
Smack a socket that's one size smaller on the o2 sensor.
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Old 02-25-2013, 03:11 PM   #11
Re: 2.2 TURBO I swing valve  
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yeah I always snap off the end and put a huge breaker bar on there from under the car.
with my daytona and csx I put the extension over the top of the k-frame. if you dont have a torch start the car up and let it idle a bit before you try getting it off.
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Old 02-25-2013, 03:52 PM   #12
Re: 2.2 TURBO I swing valve  
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ILIKESHELBYS is keeping our cars runningILIKESHELBYS is keeping our cars running
breaker bar...not an option on the L-body...at least I dont think and those are the ones that I've got stuck with. When they don't want to come out, they don't want to come out and it takes heat to get them to break free with a lot of torque.
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