Matt H
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  • Livermore, CA
  • United States
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Matt H's Discussions

Water pump leak

Started this discussion. Last reply by Tony and Ginny 429 Sep 2, 2018. 11 Replies

I’ve posted on this before but can’t find my post or I’d comment on it. I had a machinist replace the nipe on the return and it still leaks from around the o-ring. The o-ring is good and snug around…Continue

Series 62 vs Coupe De Ville

Started this discussion. Last reply by Russ Austin Aug 30, 2018. 7 Replies

What’s the difference between a Series 62 and the Coupe Deville? Looking at the Vin decoder it looks like Series 62 comes in a convertible and the Coupe Deville does not. Is that the only difference?

1963/1964 interchangeable

Started this discussion. Last reply by Russ Austin Aug 29, 2018. 1 Reply

Or 1963 and 1964 coupe Deville’s interchangeable ? I found a 64 Coupe De Ville hard top parts car and I have a 63 coupe De Ville convertible. Will this be good for the sheet metal, molding and…Continue

Rear quarters and rockers

Started this discussion. Last reply by Matt H Aug 29, 2018. 5 Replies

I need the right and left rear quarter panels and right and left rockers for a 63 two door convertible. Anyone know where I can get these?

 

Matt H's Page

Latest Activity

Tony and Ginny 429 replied to Matt H's discussion Water pump leak
"The problem with the water pump O ring replacement is -- you only find out --if it will be leaking --when doing the very last step in completing a long invloved repair That is putting the antifreeze back into the cooling system (Rad ) and running…"
Sep 2, 2018
Russ Austin replied to Matt H's discussion Water pump leak
"Hey ya dolt, check the message chat window on the bottom of the screen"
Sep 1, 2018
Clovis replied to Matt H's discussion Water pump leak
"Excellent news, still a pita to do twice though."
Sep 1, 2018
Matt H replied to Matt H's discussion Water pump leak
"Thanks again Russ "
Aug 31, 2018
Matt H replied to Matt H's discussion Water pump leak
"That sounds logical. I already did what Russ said.  Thanks "
Aug 31, 2018
Matt H replied to Matt H's discussion Water pump leak
"Thanks. I did not use the washer. I did exactly what Russ said. Letting the silicon cure for 24 hours.  I used hitemp silicone. "
Aug 31, 2018
Clovis replied to Matt H's discussion Water pump leak
"What Russ said about the coolant crossover.  Dont force it down or it will crack. There should be some slight down pressure while compressing the o-ring, this creates the seal. You should be able to seat it almost by hand pressure ."
Aug 31, 2018
Russ Austin replied to Matt H's discussion Water pump leak
"2 O rings and a washer, but you must be very careful with the washer trick. If the washer gets out of alignment and does not go into the hole, you will crack the thermostat housing/water manifold."
Aug 31, 2018
Clovis replied to Matt H's discussion Water pump leak
"I put a silicone garden hose washer in first then the o-ring, works perfectly. Are you putting the o-ring in the waterpump then installing the crossover? It is a common mistake that many make. The o-ring dosen't go on the crossover nipple,…"
Aug 31, 2018
Matt H replied to Matt H's discussion Water pump leak
"Thanks Russ. Would putting a washer on top to force it out for a tighter seal help?"
Aug 31, 2018
Russ Austin replied to Matt H's discussion Water pump leak
"Use 2 O rings and always use a small amount of silicone. Let it cure up, then fill with coolant and run."
Aug 31, 2018
Matt H posted a discussion

Water pump leak

I’ve posted on this before but can’t find my post or I’d comment on it. I had a machinist replace the nipe on the return and it still leaks from around the o-ring. The o-ring is good and snug around the nipple but when I put it in the hole in the water pump it seams a bit large. It doesn’t fit perfect. I’m thinking the o-ring is crimped and the OD is leaking. Any advice? I got the o-ring from a local auto parts store. I’m tempted to use silicone around the o-ring I just don’t like doing that.
Aug 31, 2018
Russ Austin replied to Matt H's discussion Series 62 vs Coupe De Ville
"It depends on what you want to put on your 63."
Aug 30, 2018
Matt H replied to Matt H's discussion Series 62 vs Coupe De Ville
"Thank you"
Aug 30, 2018
Jason Edge replied to Matt H's discussion Series 62 vs Coupe De Ville
"Considering the 1963 Series 62 Coupe and 1963 Coupe de Ville specifically the interiors, as noted is the main difference. Materials, and patterns were very different as seen from interior illustrations below.  There were also subtle exterior…"
Aug 30, 2018
Matt H replied to Matt H's discussion Series 62 vs Coupe De Ville
"Russ I found a 64 parts car will that work for my 63?"
Aug 30, 2018

Profile Information

Do you own any 1963 & 1964 Cadillacs? If Yes, Year & Body Style
1963 DeVille Convertible.
Cadillac LaSalle Club Member? If Yes, Membership #?
No
1963/64 Cadillac Chapter Member?
No

Matt H's Blog

Water pump crossover leak

Posted on July 23, 2018 at 4:40pm 11 Comments

I’m trying to fix the water leak problem on the crossover at the top of the water pump. I was able to get a new O ring. It leaks when I’m filling the radiator without even having any pressure. I got a new seal from the local auto parts shop that is for this year and model. I’ve tried putting a washer that fits in the top of the water pump to put pressure.

The car is a 63 Coupe De Ville but it has a 64 429. If the previous owner used the crossover from the original motor, which from I’ve… Continue

Comment Wall (2 comments)

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At 4:37pm on July 23, 2018, Matt H said…
I’m trying to fix the water leak problem on the crossover at the top of the water pump. I was able to get a new O ring. It leaks when I’m filling the radiator without even having any pressure. I got a new seal from the local auto parts shop that is for this year and model. I’ve tried putting a washer that fits in the top of the water pump to put pressure.
The car is a 63 Coupe De Ville but it has a 64 429. If the previous owner used the crossover from the original motor, which from I’ve researched was a 390, would the crossover work. I have a machinist looking at it and trying figure it out.
Any info would be much appreciated.
At 7:27am on May 30, 2018, Jason Edge said…

Welcome to the 63/64 Cadillac 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.

- Click on www.join.6364cadillac.com for more information on joining the 1963/64 Cadillac Chapter and the Cadillac LaSalle Club

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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Forum

quarter window felts and chrome strips

Started by tom servas in 1963/64 Cadillac Specific Discussion. Last reply by tom servas 16 hours ago. 5 Replies

 How would we replace the convertible quarter window, OUTER RUBBER (felts) strips, on our 64 Deville convert.  Can it be done without removing the power window itself to access the fastening…Continue

Current 1963/64 Cadillac Listings on eBay

Started by Jason Edge in For Sale. Last reply by Jason Edge yesterday. 0 Replies

To see all 1963/64 Cadillacs Listed on eBay in the USA…Continue

Tags: ebay

1960 Cadillac DeVille

Started by DanielAndrew in For Sale yesterday. 0 Replies

1960 Cadillac DeVille On Ebayhttps://ebay.to/2GD8RnJContinue

Tags: DeVille, Cadillac

Center bearing - replacement.

Started by Anders in Restoration Discussion. Last reply by Norman Silverman on Monday. 23 Replies

Had some sound from the propeller shaft and as the rear wheel bearings just been replaced I thought it would be the center bearing. Removed the propeller shaft and checked the center bearing (as per…Continue

Blog Posts

Radiator And Shrouds

Posted by Dominic Salemi on April 24, 2019 at 3:36pm 1 Comment

Hello

Anyone have a decent radiator and shrouds and hardware for a 1964 Cadillac deville. I have an alum. radiator and I'm deciding on to fix it or back to the original one. If I fix it I won't need parts.

Thanks

64 Recirc/Fresh Air Door Actuator replaced; FROM THE INSIDE.

Posted by Norman Silverman on February 4, 2019 at 11:21pm 8 Comments

I am happy to report that I have successfully replaced the Fresh Air/Recirc door actuator that is located on the blower box-and have done so without having to remove the blower box. I did it by taking out the glove box and attacking it from the back.  It took several days, LOTS of patience and some band-aids, but it is done. THE most difficult part -BY FAR- is to remove and then replace the screw that sits on the actuator arm, connecting it to the fresh…

Continue

Flashers

Posted by Mike Petrey on January 13, 2019 at 12:25pm 7 Comments

Where do the flashers go in my 64 Deville Convert.  I'm thinking that's why both turn signals stopped working.

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