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lionfish
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PostSubject: Dipstick   Tue Feb 10, 2009 12:14 pm

On the upper section of the dispstick there is a plastic part that holds the o-ring
in place. This part split in half when I removed the dipstick to check the oil. I decided to order a new dipstick - GM part number 12574822. The hatched section on the new dipstick is lower than the original. The picture below shows the stock dipstick on top.

From 1995 Buick Riviera
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1998 Riv
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PostSubject: Re: Dipstick   Tue Feb 10, 2009 1:02 pm

I wonder if they are different from Series I to II? Maybe they sent the wrong part #. Did they look it up for you or did you order by p/n?
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1998 Riv
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PostSubject: Re: Dipstick   Tue Feb 10, 2009 1:03 pm

The GM part # should be stamped on both, do they have the same number?
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albertj
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PostSubject: Re: Dipstick   Tue Feb 10, 2009 1:16 pm

I think the question is, what is the distance from the plastic stop to the one-quart-low line. Your picture does not show. And if the plastic stop is adjustable (does it have set screw) then just match them up and you are set.

Would not surprise me if GM changed the oil pan and the new stick matches the new pan. Didn't I read somewhere that the GPs or Bonnevilles got a cast aluminum pan? Is it a PITB to change the pans?

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1998 Riv
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PostSubject: Re: Dipstick   Tue Feb 10, 2009 1:19 pm

Good point, hold them with the plastic stops at the same level then compare the crosshatch area. I've never seen an adjustable dipstick.
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Mr.Riviera
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PostSubject: Re: Dipstick   Tue Feb 10, 2009 2:38 pm

mine has been broke like that for awhile now. it will not cause any problems. it still holds in place and the o-ring doesnt really do much since oil doesnt travel all the way up the tube.

also just a heads up, zzp now sells dipsticks for $5

http://www.zzperformance.com/grand_prix/products1.php?id=972&catid=109

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1996 with 244k miles, L32 4" FWI -> ported N* -> Ported Gen V w/3.0" Pulley, Stage 3 Phenolic I/C, ZZP FMHE, 1.84 RR, Headers and 3" pipe to mufflers, F-body brakes, and lowered on Eibachs.
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lionfish
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PostSubject: Re: Dipstick   Tue Feb 10, 2009 2:56 pm

1998 Riv wrote:
I wonder if they are different from Series I to II? Maybe they sent the wrong part #. Did they look it up for you or did you order by p/n?

The dealer looked up the part number based on my VIN. I also verified it on GM Parts Direct.
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lionfish
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PostSubject: Re: Dipstick   Tue Feb 10, 2009 2:57 pm

1998 Riv wrote:
The GM part # should be stamped on both, do they have the same number?

Different part numbers. The old number was discontinued.
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PostSubject: Re: Dipstick   Tue Feb 10, 2009 3:08 pm

Ok, so how about the side by side comparison with the plastic stops even instead of the bottom of the stick?
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deekster_caddy
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PostSubject: Re: Dipstick   Tue Feb 10, 2009 5:06 pm

Yes, make sure the distance from the top of the dipstick to the hash marks is the same, not the bottom end to the hashes.
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ibmoses
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PostSubject: Re: Dipstick   Tue Feb 10, 2009 8:04 pm

lionfish wrote:
On the upper section of the dispstick there is a plastic part that holds the o-ring
in place. This part split in half when I removed the dipstick to check the oil. I decided to order a new dipstick - GM part number 12574822. The hatched section on the new dipstick is lower than the original. The picture below shows the stock dipstick on top.

From 1995 Buick Riviera

The dipstick on my 2000 Regal did that.
I used Gorilla Glue to repair it. clap

Bert tavis
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lionfish
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PostSubject: Re: Dipstick   Wed Feb 11, 2009 8:34 am

1998 Riv wrote:
Ok, so how about the side by side comparison with the plastic stops even instead of the bottom of the stick?

The picture of the side by side comparison was taken with the plastic stops lined up. Both are the same exact length. The old part number was 24504251.
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Rickw
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PostSubject: Re: Dipstick   Wed Feb 11, 2009 8:45 am

I suggest marking the new one to match the old one or return the new one for another.
Could have shipped the wrong one regardless of what part number is on it. It happens.
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