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Post Info TOPIC: Differences In The Rear Brake Flex Line On A Convertible Compaired To A Sedan ?


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Differences In The Rear Brake Flex Line On A Convertible Compaired To A Sedan ?


frame brake line.jpg

(Online photo, not mine)

My car has been on the hoist for 4 days now !

The problem is the rear flex line where it mounts and passes through the frame crossmember.

There is a retaining clip for each side of the frame.

Every part brought in has the clips too close together as if the cross member is too thick.

Am I correct in asuming that the crossmember is thicker because it's a convertible frame ?

The shop will not finish the car until there is a proper solution and rightfully so.

Could it be that the vert part is no longer availble ?

Has anyone else ever had this issue ?



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Randy(Muttwood)



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Someone with a GM parts book should be able to tell you if the part numbers are different on a ragtop. Mine is in storage at the moment........ :(

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I'll chime in a with a bit more info later, but when I re-did the brakes on the 70 454 Laurentian I had problems getting the correct rear flex hose.  The newer ones have a 6 pointed end on them, but the hole in the crossmember is rounded with a flat top and bottom.    Plus if I recall there was an issue with the distance to the clip.     I ended up getting a flex hose from Classic Industries in California, part # for 70 was FH51, which is correct for both 69 & 70.  If I recall, 67 & 68 had a different junction block than 69 & 70.

 

 



-- Edited by seventy2plus2 on Sunday 20th of August 2017 01:10:43 PM

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70 Parisienne hardtop
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I had a photo of a Wagner BH73244 hose which was correct for mine, but when I went to the Federal-Mogul website www.fme-cat.com/application.aspx to look one up for a 67 Impala, it showed the hex head for the end going through the crossmember. Is the hole in your chassis like mine that is round with a flat top & bottom?

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70 2+2 convertible
70 2+2 hardtop
70 Parisienne hardtop
72 GMC Sierra

 

 



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If you have the rounded sides with flat top & bottom, the fitting you need is made by BrakeQuip, their part # HFIF35. Any hose provider will carry these, and make you up a hose with that on one end and whatever you need on the other end. I found the box that had the original 70 454 Laurentian hose in it, as well as the NAPA hose that was intended to replace it, but didn't work. On the box I had a sticky note with BrakeQuip HFIF35. I actually tried to get a local hose supplier just to change the one end on the hose, but they wouldn't. They'd make me a new hose, but wouldn't modify someone else's hose. This was at GreenLine Hose here in Calgary, but I'm sure you should be able to find a hose provider where you are.

Here's a link to the BrakeQuip catalog, HFIF35 is on page 27:

www.goodyearrubberproducts.com/2010newpdfs/Brakequip2010.pdf

You should be able to find the fitting for the other end likely on page 33 (Imperial Male Fittings).

 



-- Edited by seventy2plus2 on Saturday 19th of August 2017 10:43:21 PM

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70 2+2 convertible
70 2+2 hardtop
70 Parisienne hardtop
72 GMC Sierra

 

 



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Thank You so much.

To everyone else here,

This is a very valuable website that isn't cheap to run.

We need to keep all these experts together.

Donation to Candian Poncho on the way !!!

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Randy(Muttwood)



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Let me know how you make out. But doing a bit more digging on places like RockAuto, they all show your brake hose having a hex head going through the chassis, whereas mine is rounded with flat top & bottom. However, those may be "replacement" ones. Does yours have the rounded sides and flat top & bottom?

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70 2+2 convertible
70 2+2 hardtop
70 Parisienne hardtop
72 GMC Sierra

 

 



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I am pretty sure that I that one precisely. (HFIF35)

The replacement they order are all similar but the connection end is too short for the thick frame.

I'm going to have the shop install the improper part just to get the car home

I will contact our local hose experts, Deetag, to see if I can get this hose made.

I will post a picture of the factory hose Monday.



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Randy(Muttwood)



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I "sticky'd" this thread as other folks may come across this issue. Thanks Clint for the info and thanks Randy for the donation!



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Canadian Poncho Superstar!

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I've had a few minutes to dig through my stuff and take some photo's. 

The first photo shows 4 brake hoses.  From the left are:   NAPA hose that had the hex head, so couldn't use.   Next is the original 70 454 Laurentian hose, next is the Raybestos hose, and finally a hose I likely got on ebay, it's part # HSP4512, but not sure who made it (it's not from Classic Industries).  Notice the groove for the clip on the hose ends is in a slightly different than the original.

The second photo is of the end I've been talking about, rounded sides with flat top and bottom.  Is that what your chassis has?

 

I had the chassis from the 70 Impala I parted out last year sitting in my alley, and finally took it to the metal recycler last weekend.   I should have verified the Raybestos hose would have worked, as I'm planning on using it on my 70 2+2 convertible here in a few weeks when I re-do the steering, suspension & brakes.



-- Edited by seventy2plus2 on Sunday 20th of August 2017 01:12:58 PM

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70 2+2 convertible
70 2+2 hardtop
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Here is the line.

It is definitly clogged and caused my rear breaks to burn up.

002a.jpg

They have done a good job temporarily, with a neat type of hose clamp.

I will get the proper one made up and install it myself later.



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Randy(Muttwood)



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It's tough to see, but is that the rounded sides with flat top & bottom? It looks like it's a hex.

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70 2+2 convertible
70 2+2 hardtop
70 Parisienne hardtop
72 GMC Sierra

 

 



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Sorry, Rounded, she's a bit beat up and that was a bad photo wink

012a.jpg027a.jpg

 



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Randy(Muttwood)



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ABC123 wrote:

 

I am pretty sure that I that one precisely. (HFIF35)

 

The replacement they order are all similar but the connection end is too short for the thick frame.

 

I'm going to have the shop install the improper part just to get the car home

 

I will contact our local hose experts, Deetag, to see if I can get this hose made.

 


Let us know how you make out with Deetag.  As mentioned, I've got a couple hoses, but not 1000% sure they're going to work.  I know the one I got from Classic Industries (part # FH51) worked on the 70 454 Laurentian, but I really don't remember where I got the one that I put in my 70 Parisienne.  I'm fearing I may need to get one made for my 70 2+2 convertible, but I'm pretty sure I should be ok even if that's the case.  



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70 2+2 convertible
70 2+2 hardtop
70 Parisienne hardtop
72 GMC Sierra

 

 



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Not only does DeeTag have the proper end (HFIF35), they have the almost exact T for the other end.

http://www.deetag.com/default.aspx?page=about+us

The pages provided above saved some time.

As a BrakeQuip dealer they can make hoses with any of the fittings listed in the calalog Clint has provided.

They have locations in London and Missasaga.

BrakeQuip has other dealers in Canada but I have not found a list to post.

Now for the real kicker,

The DeeTag hand made flex line that matches the original is estimated to cost $40.00

The wrong line costed me $98.00 confuse

Ordered one, I will post a picture when get it. 

 

 



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Randy(Muttwood)



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That's super. 69/70 hoses have a built in T on the hose, I think originally 67/68 had a brass junction block, but as long as what you get works. For laughs today I called Green Line here in Calgary, I'm going to swing by there tomorrow just to check out the HFIF35 end again. They don't have any, and said it's been replaced by HFIF09, which has the hex head which won't work. I'm just trying to prepare myself in the event the 2 I have don't work and need to get one made.

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70 2+2 convertible
70 2+2 hardtop
70 Parisienne hardtop
72 GMC Sierra

 

 



Canadian Poncho Superstar!

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I put a bit more thought into this, and remembered in addition to the hose I bought from Classic Industries (part # FH51), I also had one made at Green Line Hose here in Calgary, so I dug up my receipt.   Yup, it shows HFIF35 on one end, and junction block HFIF25 on the other of a 1 foot brake hose.   I stopped there today, and they don't have either end in stock, but can get them.  I used the one from Green Line on the 70 454 Laurentian, and the Classic Industries one on the Parisienne.

 

  



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70 2+2 convertible
70 2+2 hardtop
70 Parisienne hardtop
72 GMC Sierra

 

 



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So this was done in minutes at DeeTag in London, Ontario, once the other end came in from the other store.

They had just matched an original from a 28 Chev last week.

003b.jpg

 



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Randy(Muttwood)



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The line looks great Randy, but I have one concern - The ends don't seem to align. The hose can't be easily twisted, and I'm concerned that once one end is in place (whether it be the chassis end or the diff end), the other end won't properly align to be fixed in place. It's almost like one end needs to be turned 90 degrees.

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70 2+2 convertible
70 2+2 hardtop
70 Parisienne hardtop
72 GMC Sierra

 

 

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