Changing Heads On 1987 LeSabre - Page 3 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1987-1991 Parley with regards to your 1987 to 1991 Bonneville, Olds 88 or Buick Le Sabre Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 11-03-2007, 12:01 PM   #21
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Default Sensors

So, do those sensors need to be removed for any reason, during this valve job?
...and that "knock sensor"...$70.00???
Whew!!!
Can't be fixed, eh, only replaced?
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Old 11-03-2007, 12:15 PM   #22
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Will the connector hold onto the Sensor?

I would only remove the sensors if one is in the way of an Intake bolt... Other than that I would let them be if possible

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Old 11-03-2007, 12:48 PM   #23
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Quote:
Originally Posted by jr's3800
Will the connector hold onto the Sensor?
Well, the problem seems to be that it wouldn't let go.
I'll try to get a closeup photo.
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Old 11-03-2007, 12:52 PM   #24
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If you snapped off the white part than you may have to replace it... But $70 for a new one is nuts

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Old 11-03-2007, 01:05 PM   #25
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Default Pix

This is as close as I can get and get a somewhat decent pic.

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Old 11-03-2007, 01:10 PM   #26
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You might be able to get away with reusing that sensor.... It doesn't look destroyed... Maybe JB weld the pieces back on....

I don't think you'll have any issues with it..

Depending on where you are a new one should be $20 at the parts store

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Old 12-15-2007, 08:54 PM   #27
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Default Update on simple valve job.

Hello, everyone.
Well, it'* been a busy, busy month.
I took the heads into O'Reilly'* on Nov.6th, for the valve job.
The following Saturday, my aunt died of a heart attack.
She lived about 200 miles away from here.
My heads were done by the 14th, so I picked them up.
The funeral was Saturday the 17th, so I didn't get them installed.
I took my mom to the funeral.
When we arrived home, that evening, my mom suffered a heart attack.
We went to the hospital, where she was admitted and spent the next week.
During the week, she suffered two more heart attacks.
The doctor asked if she wanted to stop treatment, because she is too old and weak to withstand an open-heart procedure and the amount of blockage is great.
She, and he, decided that she would to go to the hospice.
She spent five days, there, and recovered sufficiently to be brought home, where I am her primary caregiver.
I was with her the greater part of every day during her hospital/hospice stays.
She seems to be recovering, now.
About 10 days ago, my daughter told me that she would pay to have the LeSabre put back together, if I would stop worrying about it and take it to be fixed.
So far, I had spent $445.00 on the timing fix and $335.00 on the parts and valve job.
The garage owner said that he would do it for $500.00.
Day before yeaterday, he told me that O'Reilly'* put the wrong exhaust valves in both heads, and that he wasn't going to pull them off and get them sent in.
He said that he would order all new push rods, because the valve stems were too long, and that that should do it.
I called to see how it was going, and they told me that one lifter was still pumped-up and wouldn't go down, but that they'd run it until it did.
Yesterday afternoon, they called me to tell me that it had been running fine, so they took it on a five-mile test ride.
While on the test ride, the engine spun an insert.
The garage owner asked me if I could hear it in the background
If that was my car, it was knocking something awful.
When I took the car in, it had no such problem.
In fact, it has 112,000 original miles and I have receipts for everything that was done to the car since the date of original purchase, in 1986.
The oil, filters, fluids, etc., have been changed according to schedule.
...religiously!
They want to go and get a used engine and put it in.
Does anyone have any opinions on this development?
Thanks.
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Old 12-15-2007, 10:32 PM   #28
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You mean to tell me the engine spun a Bearing?

I am really sorry to hear about the events you have been through in the last few months tho.. Glad to hear your mother is doing better...


I am not sure what to tell you about that motor... I think I need to think on this one, but I am not liking what I hear...

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Old 12-15-2007, 11:48 PM   #29
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Default It sounds fishy...

It sounds awfully fishy to me.
I would think that they would have some liability.
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Old 12-16-2007, 12:48 AM   #30
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I'm with you... Something does not sound right... And a mechanic should not mickey mouse anything when he knows there is a problem.. If the valve stems were to long the heads should have come back off and gone back to the machine shop that did them to be corrected...

And hoh in the world did he measure for the new pushrods... makes no sense to me... The knock could have been what he did, its possible if that valve stem was too long and he used a pushrod that was shorter, but not short enough the engine could be punching a valve... And Lifters only have so much play when it comes to taking a longer pushrod or slack and its not very much, so there is no room for error on his part...

I'd have to say this is an issue he caused.... he knew there was a problem and did not fix it properly...

It pisses me off when people do that... He should have talked to you, explained the issue and determined what you wanted done...

Guys like this that call themselves mechanics **** me off

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