John H Cullinan
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  • Littleton, CO
  • United States
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John H Cullinan's Discussions

Correct Hydraulic fluid for 63 convertible top motor

Started this discussion. Last reply by Kurt Aug 18, 2023. 1 Reply

I had a top motor issue due the resevoir being topped up by an upholstery guy with a fluid that was not compatible with the fluid already in the pump.  The mixed fluid turned to foam after one going…Continue

63 convertible Power Top Motor issue

Started this discussion. Last reply by 3gk350qap28u3 Aug 1, 2023. 9 Replies

Boys and Girls, Hope you can help.  I was looking on the   Website for information or manual on operation and repair of the power top motor.  Mine was working fine until last week.  I pushed the…Continue

 

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Kurt replied to John H Cullinan's discussion Correct Hydraulic fluid for 63 convertible top motor
"See this post: https://6364cadillac.ning.com/forum/topics/1964-convertible-top-operation?commentId=6543066%3AComment%3A109977 Looks like it would be either brake fluid or transmission fluid. Based on what you reported, you probably had…"
Aug 18, 2023
John H Cullinan posted a discussion

Correct Hydraulic fluid for 63 convertible top motor

I had a top motor issue due the resevoir being topped up by an upholstery guy with a fluid that was not compatible with the fluid already in the pump.  The mixed fluid turned to foam after one going up once and could not lift the top back up.  I removed the pump.   How do I clean out the old fluid in the rubber hoses going to either side of the pomp?  They seem to be mostly empty now but don't want to have nay more foaming issues.  WHAT IS THE IDEAL HYDRAULIC FLUID TO USE IN THE MOTOR?  The…See More
Aug 18, 2023
Chris Codd replied to John H Cullinan's discussion 63 convertible Power Top Motor issue
"Usually with the top up you can sit on the back seat, and unclip the convertible top liner behind the seat to access the motor, but since your top is stuck down, that doesn't seem like an option. I still can't image that they would somehow…"
Aug 1, 2023
John H Cullinan replied to John H Cullinan's discussion 63 convertible Power Top Motor issue
"Chris, in your photo I see no access to the platform on which the pump rests.  As I mentioned in  another replsy, I saw an access area to the bottom of the platform from behind the seat on a 69 or 70 at a junk yard."
Aug 1, 2023
John H Cullinan replied to John H Cullinan's discussion 63 convertible Power Top Motor issue
"Thanks for the photo, Chris.  my motor must be different.  Mine has no  bolts going into the pump from above.  All I see are the rubber grommets.   The center of the grommet is open.  No bolt.  I was at a junk…"
Aug 1, 2023
Chris Codd replied to John H Cullinan's discussion 63 convertible Power Top Motor issue
"Unless they hooked yours up with different hardware, you should be able to get the motor unbolted with a 7/16 wrench or socket. Mine was only bolted down on one side surprisingly enough. As for the fluid, it's going to make a mess regardless of…"
Jul 28, 2023
John H Cullinan replied to John H Cullinan's discussion 63 convertible Power Top Motor issue
"I think you are right regarding mixing the fluid types.   The first thing I want to do I see if I can remove the resistance to me manually getting the top in the up and locked position.  I have removed the plug with the 2 hoses from…"
Jul 28, 2023
John H Cullinan replied to John H Cullinan's discussion 63 convertible Power Top Motor issue
"Thanks for your reply and photo.  You saved me a lot of time by not trying to remove the seatback.  I removed the 1/2 inch T with the two tubes that is located on the back (trunk side) of the pump.    .  But I will try to…"
Jul 28, 2023
Chris Codd replied to John H Cullinan's discussion 63 convertible Power Top Motor issue
"As you can see here there's not really any access to the top motor with the back seat removed. Your best bet would probably be to use some large objects like blocks of wood or whatever you have available to put on both sides of the top motor to…"
Jul 27, 2023
John H Cullinan posted a discussion

63 convertible Power Top Motor issue

Boys and Girls, Hope you can help.  I was looking on the   Website for information or manual on operation and repair of the power top motor.  Mine was working fine until last week.  I pushed the switch to put the top down.  All went well and it dropped into the well.  The motor sounded as it has always sound.  I had a new boot made my local upholstery guy and he also topped up the fluid which had been a little low.   It worked fine..   When I tried to put the top back up the motor did not sound…See More
Jul 26, 2023
Jason Edge left a comment for John H Cullinan
"Hi John, Welcome to the 63/64 Cadillac Website.  It is great to have another Chapter Member joining us here on the website! This site is hosted by the CLC (Cadillac LaSalle Club) 1963/64 Cadillac Chapter. Joining the website is free to…"
Apr 30, 2021
John H Cullinan is now a member of 63/64 Cadillac Website
Apr 30, 2021

Profile Information

Do you own any 1963 & 1964 Cadillacs? If Yes, Year & Body Style
1963 Convertible Coupe series 62, Senior Badge
Cadillac LaSalle Club Membership Number? (Must be a member to Join Chapter & Website)
2613
1963/64 Cadillac Chapter Member?
no

Comment Wall (1 comment)

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Join 63/64 Cadillac Website

At 5:48pm on April 30, 2021, Jason Edge said…

Hi John, Welcome to the 63/64 Cadillac Website.  It is great to have another Chapter Member joining us here on the website!

This site is hosted by the CLC (Cadillac LaSalle Club) 1963/64 Cadillac Chapter. Joining the website is free to everyone, however, you must be a CLC member to join the Chapter.

Be sure and check out all the links and pages and make yourself at home. The Help Page at www.help.6364cadillac.com will have links to many useful articles and information about our Cadillacs.

 
 
 

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Wanted Cadillac Lasalle 2 inch Windshield Deca;\l Sticker

Started by Doug Scarrow in Wanted to Buy. Last reply by Dennis P. DiBari 5 hours ago. 1 Reply

for close to 20 years I have had a lovely Club Decal on my windshield now I wish to replace the windshield and would love to buy a decal if any one has one available See attached photosContinue

Back to the 50’s

Started by Jordan Johansen-Moe in 1963/64 Cadillac Specific Discussion. Last reply by Jordan Johansen-Moe yesterday. 2 Replies

Is anyone here planning on going to the Back to the 50’s car show in Minnesota?

where to find 1963 Cadillac Plastic Door Pin Anchors

Started by Frank Murch in 1963/64 Cadillac Specific Discussion. Last reply by Jason Edge on Sunday. 2 Replies

Hi allwhere can I find these - 1963 Cadillac Plastic Door Pin Anchors. Mine are from1963 and a little tiredThanksContinue

Rear Main Seal Oil Leak Fix with Bearing Cap Modification

Started by Kurt in 1963/64 Cadillac Specific Discussion. Last reply by Matti Roth on Saturday. 15 Replies

Many owners have reported oil leaks at the rear main seal even after replacing the seal, myself included. Recently Tony Lentini found a Serviceman bulletin published in February 1965 which details a…Continue

Blog Posts

1963 RHS A/C kick panel - photos needed

Posted by SK on June 2, 2025 at 2:20pm 2 Comments

Could someone post front and back photos of the 1963 right-hand kick panel with A/C?

My car didn’t come with the original kick panels, so it's a bit of a mystery to me how I should cut the backing board and carpet to fit around the A/C.

Many thanks,

-Samu

Edelbrock Carb Block off Plates

Posted by Chase on March 12, 2025 at 2:05pm 14 Comments

Hey guys,

I have installed the same Edelbrock carb and have done everything the same as Jason’s carb and intake project. In the spring and summer months the car starts, runs and idles great! In the fall and winter months on a cold start, the car starts awful and wants to die until it warms up. I have to keep my foot on the throttle until it warms up or it will idle just terrible and try to die. Once it’s warm, it runs fantastic! Whats going on here? I was thinking of removing the…

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'63 Tailfin Tales

Posted by Mark Mata on February 22, 2025 at 5:00pm 9 Comments

New old stock seat material

Posted by Ray Schick on August 22, 2024 at 6:25pm 2 Comments

I bought this seat material thinking that it’s…

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