I replaced Bosch spark plug with AC. - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

Reply
 
 
 
Thread Tools Search this Thread
Old 05-27-2004, 11:49 AM   #11
Junior Member
Posts like a Ricer Type-R
 
Join Date: Aug 2002
Posts: 10
Thanks: 0
Thanked 0 Times in 0 Posts
willwren is on a distinguished road
Default

Vital, a failing O2 sensor will be indicated by the obvious fuel mileage drop, a rotten egg or sulphur smell, and a premature failure of the catalytic converter. The sensor will RARELY throw an SES light. Only a complete failure will do that. The sensor will get 'lazy' after about 50-60k miles.

My O2 from Bosch lasted less than 30 days. Jr's3800 had a similar experience. My AC Delco sensor has been in for over 20k miles now, and doing fine.
willwren is offline   Reply With Quote
Old 05-27-2004, 12:19 PM   #12
Junior Member
 
Join Date: Mar 2003
Location: Purgatory
Posts: 0
Thanks: 0
Thanked 0 Times in 0 Posts
vital49 is on a distinguished road
Default

Thanks Bill....I will closely monitor for those symptoms.
vital49 is offline   Reply With Quote
Old 05-27-2004, 12:43 PM   #13
Senior Member
Posts like a Northstar
 
Join Date: Mar 2003
Location: Brewerton NY
Posts: 551
Thanks: 0
Thanked 0 Times in 0 Posts
karfreek is on a distinguished road
Default

Quote:
Originally Posted by vital49
Quote:
Originally Posted by thaf
Quote:
Originally Posted by willwren
Use a syringe and apply some break free or penetrating oil when the engine is warm. Do that for 2 days. On the 3rd day, try to remove the plug with the engine COLD.

I agree with you completely on the Bosch plugs. We've been through that time and time again on this forum. For some reason, our hotter running engines don't like them. Rear plugs will almost always foul first. Hotter back there
Sorry that I did not explain my problem clearly.

IT is not the plug itself hard to be moved, but the wire. I can not take the wire off from the spark.

Thanks

I had the same issue on my Bonnies. What I did (against recommendation on this forum) is remove the stabalizing bar that goes from strut tower to strut tower. That really opens up the clearance. Just make sure you reinstall it in the EXACT same location from which it was removed or else the alignment will be off. I did mine carefully multiple times and never had an issue. It'* worth it in the end to gain the clearance. Good luck!!
If you leave the brackets mounted to the strut tower and just undo the 2 bolts on each side that fasten the bar inplace, it will not cause any problems. Its when you move the brackets that you can skew the alignment as it is the strut mount bolts that hold the brackets on.

On the 96-99s it is easier to drop the bar, as there is more clearance between the bar and the master cyl.

Jay
karfreek is offline   Reply With Quote
Old 05-27-2004, 01:17 PM   #14
Junior Member
 
Join Date: Mar 2003
Location: Purgatory
Posts: 0
Thanks: 0
Thanked 0 Times in 0 Posts
vital49 is on a distinguished road
Default

Jay...

Yes, that'* exactly what I was referring to. I've never removed the brackets, just the two bolts at either end of the bar.
vital49 is offline   Reply With Quote
Old 05-27-2004, 03:09 PM   #15
Senior Member
Posts like a Corvette
 
Ol' Timer's Avatar
 
Join Date: Oct 2002
Location: New Jersey - Most of Our Elected Officials Have Not Been Indicted
Posts: 1,483
Thanks: 0
Thanked 0 Times in 0 Posts
Ol' Timer is on a distinguished road
Default

Quote:
Originally Posted by thaf
I can not take the wire off from the spark.
You might want to dab some Dielectric(Silcone)Grease inside of the spark plug boots. I use a Q-tip to lightly coat the boot socket. This will make it easier to remove the booty the next time you need to replace your spark plugs.
Ol' Timer is offline   Reply With Quote
Old 05-27-2004, 09:25 PM   #16
Senior Member
Certified GM nut
 
Join Date: Feb 2004
Location: CT
Posts: 2,099
Thanks: 0
Thanked 1 Time in 1 Post
SSEBONNE4EVA is on a distinguished road
Default Bosch

The thing about a name brand Co. like Bosch who claims to have invented the 02 sensor
is if you get a failure you go to them and you are sure to get satisfaction.
Thats what I would do if any of their products fail on my Bonnies. Especially
if its prematurely.
SSEBONNE4EVA is offline   Reply With Quote
 
 
Reply

Related Topics
Thread Thread Starter Forum Replies Last Post
Bosch Bosch Bosch!!! hugger10 2000-2005 7 03-20-2007 07:55 PM
BOSCH FUSION SPARK PLUGS? Dougs98SSEI Performance, Brainstorming & Tuning 6 03-19-2007 11:11 PM
OK Bosch plug went out on me. SSEBONNE4EVA 1992-1999 8 02-15-2006 05:56 PM
Need Plug Wire Part Number and NGK Plug Part Number!! josho66 2000-2005 11 05-29-2005 01:06 PM
Spark Plug Wires and Spark Plugs buickpower3800sc Performance, Brainstorming & Tuning 4 03-15-2003 05:27 PM


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off



All times are GMT -4. The time now is 02:17 PM.


We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.