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Suspect crack lines.

Started by heaneydl, August 23, 2017, 10:05:08 PM

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heaneydl

I am interested in purchasing a 1985 Seville but I am concerned about what seem like cracks in the chassis or body work. Attached are 2 photos and I winder if someone could show some light on my concerns.

The Tassie Devil(le)

Can you indicate where the cracks are?   A bit hard to see in the pictures.

Bruce. >:D
'72 Eldorado Convertible (LHD)
'70 Ranchero Squire (RHD)
'74 Chris Craft Gull Wing (SH)
'02 VX Series II Holden Commodore SS Sedan
(Past President Modified Chapter)

Past Cars of significance - to me
1935 Ford 3 Window Coupe
1936 Ford 5 Window Coupe
1937 Chevrolet Sports Coupe
1955 Chevrolet Convertible
1959 Ford Fairlane Ranch Wagon
1960 Cadillac CDV
1972 Cadillac Eldorado Coupe

Alan Harris CLC#1513

I would be very afraid!

The holes in the chassis look like there might have been bolted there at one time. The car might have towed something that caused the chassis to crack. In any case, not good.

TJ Hopland

Are you talking about those irregular lines clearly visible in the photos?   If so I believe that is just the seam where the 2 C shaped frame sections joined. 
StPaul/Mpls, MN USA

73 Eldo convert w/FiTech EFI
80 Eldo Diesel
90 CDV
And other assorted stuff I keep buying for some reason

Steve Passmore

Quote from: TJ Hopland on August 23, 2017, 10:39:08 PM
Are you talking about those irregular lines clearly visible in the photos?   If so I believe that is just the seam where the 2 C shaped frame sections joined.

I agree. Looks like it's just where the factory joined up the two halves of the chassis box section.
Steve

Present
1937 60 convertible coupe
1941 62 convertible coupe
1941 62 coupe

Previous
1936 70 Sport coupe
1937 85 series V12 sedan
1938 60 coupe
1938 50 coupe
1939 60S
1940 62 coupe
1941 62 convertible coupe x2
1941 61 coupe
1941 61 sedan x2
1941 62 sedan x2
1947 62 sedan
1959 62 coupe

59-in-pieces

D L,
I know nothing about this year Cadillac or its frame, but the topic tweaked my interest.
The "cracks" appear to be symmetrical - mirrored images.
Can you slide any kind of feeler gauge in and along the cracks - if so - I would worry too.
I quick call to a Cadillac service department might shed some lite on what and why they are.
Please let us know.
Maybe someone who owns one of these cars can take a look at theirs to see if there is any similarities.
Have fun,
Steve B.
S. Butcher

The Tassie Devil(le)

I am still waiting for the original postor to indicate just where the cracks are.

No good guessing without actually seeing the supposed faults.

Bruce. >:D
'72 Eldorado Convertible (LHD)
'70 Ranchero Squire (RHD)
'74 Chris Craft Gull Wing (SH)
'02 VX Series II Holden Commodore SS Sedan
(Past President Modified Chapter)

Past Cars of significance - to me
1935 Ford 3 Window Coupe
1936 Ford 5 Window Coupe
1937 Chevrolet Sports Coupe
1955 Chevrolet Convertible
1959 Ford Fairlane Ranch Wagon
1960 Cadillac CDV
1972 Cadillac Eldorado Coupe

35-709

Bruce,
Click on the pictures to enlarge them and the "cracks" in the bottom of the rear frame rails running fore and aft on both sides cannot be missed.
Geoff
1935 Cadillac Sedan resto-mod "Big Red"
1973 Cadillac Caribou - Sold - but still in the family
1950 Jaguar Mark V Saloon resto-mod - Sold
1942 Cadillac 6269 - Sold
1968 Pontiac Bonneville Convertible - Sold
1950 Packard 2dr. Club Sedan
1935 Glenn Pray - Auburn Boattail Speedster, Gen. 2

The Tassie Devil(le)

Those aren't cracks, they are weld lines where the chassis is joined during assembly.

I thought he was worrying about cracks.

Bruce. >:D
'72 Eldorado Convertible (LHD)
'70 Ranchero Squire (RHD)
'74 Chris Craft Gull Wing (SH)
'02 VX Series II Holden Commodore SS Sedan
(Past President Modified Chapter)

Past Cars of significance - to me
1935 Ford 3 Window Coupe
1936 Ford 5 Window Coupe
1937 Chevrolet Sports Coupe
1955 Chevrolet Convertible
1959 Ford Fairlane Ranch Wagon
1960 Cadillac CDV
1972 Cadillac Eldorado Coupe

z3skybolt

Goodness knows that I am the least technically astute person on this forum.  But when the picture is blown up at 175% it sure looks to me like those weld lines need to be rewelded.....before it falls apart.

Like I said...."I know noooothin"

Bob
1940 LaSalle 5227 Coupe(purchased May 2016)
1985 Lincoln Town Car Signature Series. Bought New.

chrisntam

There's a hole in the resonator too.

;)
1970 Deville Convertible 
Dallas, Texas

Steve Passmore

Come on Guys, as Bruce and I said earlier those are the joint OVERLAP from where they folded up the chassis shape from a sheet of steel. A box section has to overlap somewhere.  Crappy I know but even Cadillac did these things.
Steve

Present
1937 60 convertible coupe
1941 62 convertible coupe
1941 62 coupe

Previous
1936 70 Sport coupe
1937 85 series V12 sedan
1938 60 coupe
1938 50 coupe
1939 60S
1940 62 coupe
1941 62 convertible coupe x2
1941 61 coupe
1941 61 sedan x2
1941 62 sedan x2
1947 62 sedan
1959 62 coupe

Barry M Wheeler #2189

I'd be much more concerned about the other end of the car. Namely, the HP 4100 engine. If you want a Seville, there is a nice one in Pittsburgh, PA that is a 1981 on Craigslist.  (Nice colors, a mate to mine.) It has the 4-6-8 engine but if you don't want to mess with that, just unhook the wire lying across the transmission hump and that makes it into a  constant V-8.
Barry M. Wheeler #2189


1981 Cadillac Seville
1991 Cadillac Seville

harry s

Quote from: Steve Passmore on August 25, 2017, 12:46:24 PM
Come on Guys, as Bruce and I said earlier those are the joint OVERLAP from where they folded up the chassis shape from a sheet of steel. A box section has to overlap somewhere.  Crappy I know but even Cadillac did these things.

I agree, crappy as they may be, those are overlaps on the frame. It does look to have had a trailer hitch in the past. Can you imagine a 4100 towing a trailer. WoW!.     Harry
Harry Scott 4195
1941 6733
1948 6267X
2011 DTS Platinum

gkhashem

Quote from: Barry M Wheeler #2189 on August 28, 2017, 07:36:44 PM
I'd be much more concerned about the other end of the car. Namely, the HP 4100 engine. If you want a Seville, there is a nice one in Pittsburgh, PA that is a 1981 on Craigslist.  (Nice colors, a mate to mine.) It has the 4-6-8 engine but if you don't want to mess with that, just unhook the wire lying across the transmission hump and that makes it into a  constant V-8.


Excellent advice ....
1959 Oldsmobile 98 Holiday Sports Sedan
1960 Cadillac Coupe Deville (CLC Sr #72)
1964 Oldsmobile 98 Town Sedan (OCA 1st)
1970 GMC C1500
1977 Oldsmobile 98 Regency Coupe
1978 Cadillac Coupe Deville (CLC Sr Crown #959)*
1992 Oldsmobile 98 (OCA 1st)
1996 Oldsmobile 98
*CLC Past President's Preservation

Past Cadillacs
1959 Coupe Deville
1966 Coupe Deville (Sr #861)*
1991 Eldorado Biarritz (Sr #838)

V63

Quote from: Alan Harris CLC#1513 on August 23, 2017, 10:35:50 PM
The car might have towed something that caused the chassis to crack. In any case, not good.

The only trailer that car could tow would be an extra power plant pushing it!

Those are just seams in the frame and of no structural concern

59-in-pieces

Guys,
Up front, I don't know diddly about this year car.
But when I blew the picture up to get a good look at the "crack", I was amazed.
The seam looks like it was cut out by a first day plasma cutter student, or someone with a severe case of the DT's.
Let's put it this way, the A.O. Smith frame under the 59 has nice straight lines and the welds are top notch.
They sure don't look like a melted Hershey bar smeared on the seams.
The strange thing is that the "cracks" are mirror image symmetrical - side to side - L & R side frames.
Did anybody slip a thin thickness gauge in the "crack" to see if it goes through.
Or did anybody with the same car confirm their car has the same "cracks".
Was a call made to a dealer to confirm that that is how the frame was made and not to worry.
Have fun,
Steve B.
S. Butcher

smokuspollutus

That is normal for an E car. It is possible that the undercoating exacerbates the appearance, but they all came like that. 

Barry M Wheeler #2189

I'll let you guys know the next time I crawl under the rear of mine and see if I have "cracks" as well.
Barry M. Wheeler #2189


1981 Cadillac Seville
1991 Cadillac Seville