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#4719791 - 04/07/18 06:15 PM Bubbles in headliner
vavavroom Offline


Registered: 10/31/17
Posts: 176
Loc: California
My son is fixing up a 1987 Golf. He is rather detail-oriented and a few small bubbles in the headliner bother him endlessly. That and girls, who seem to bother him slightly less, is all he talks about anymore. I suggested he remove the headliner, peel off the old fabric cover, scratch laboriously off the old adhesive, buy new headliner fabric and headliner spray adhesive and do the job the right way. He wants to know if he can inject a fabric adhesive with a syringe through the center of a bubble, push down on the fabric and attach the loose fabric. What sayeth you?

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#4719800 - 04/07/18 06:29 PM Re: Bubbles in headliner [Re: vavavroom]
Linctex Offline


Registered: 12/31/16
Posts: 6186
Loc: Waco, TX
Originally Posted By: vavavroom
He wants to know if he can inject a fabric adhesive with a syringe through the center of a bubble, push down on the fabric and attach the loose fabric. What sayeth you?


NO.

"injecting a liquid" will only make a huge mess and a "hard spot" in the fabric.

You have to carefully cut each bubble with a SHARP razor blade down the middle,
apply a brush on adhesive to the backing board only (NOT the fabric),
then letting the solvents "flash off" before gently pushing the one side of the bubble up,
working from the outside edges of the bubble towards the cut.
Repeat with the other side of the cut bubble,
carefully joining the two sides together in a "seamless cut" - now hidden

Go to the wrecking yard and practice on a car there first.
_________________________
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#4719811 - 04/07/18 06:37 PM Re: Bubbles in headliner [Re: vavavroom]
rooflessVW Offline


Registered: 12/24/11
Posts: 4310
Loc: North Carolina
Pull the fabric off. Use a plastic scraper to clean the backerboard.

Buy some thin upholstery foam and some fabric. A Ninja Turtles bed sheet would be pretty rad.

Use 3M headliner adhesive or 77 and follow the instructions on the can.
_________________________
"Zed's dead baby, Zed's dead."

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#4719817 - 04/07/18 06:45 PM Re: Bubbles in headliner [Re: vavavroom]
JohnnyJohnson Offline


Registered: 10/22/09
Posts: 2880
Loc: Wet side WA
If you're that picky about a 1987 Golf either fix it right or replace the car with a new what ever. That thing is never going to be a classic!
_________________________
2004 Corolla 122488
Out: QSUD 5W-30 Purolator One 5030
In: VML 5w-30 TG4967 117530 2-8-18
2006 Duramax 74109
Out: T6 5W-40 M1-303
In: T6 5W-40 XG9100 74705 4-22-18

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#4719935 - 04/07/18 08:29 PM Re: Bubbles in headliner [Re: JohnnyJohnson]
rooflessVW Offline


Registered: 12/24/11
Posts: 4310
Loc: North Carolina
Originally Posted By: JohnnyJohnson
If you're that picky about a 1987 Golf either fix it right or replace the car with a new what ever. That thing is never going to be a classic!

Sure about that? Pretty common to see well cared for/modified MK2s up around $10k...

Even the Mk3 is starting to creep in value.
_________________________
"Zed's dead baby, Zed's dead."

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#4719982 - 04/07/18 09:14 PM Re: Bubbles in headliner [Re: vavavroom]
JamesBond Offline


Registered: 12/13/06
Posts: 861
Loc: midwest
If it's foam backed fabric like most headliners, it is the foam that deteriorates and nothing can fix it. From my limited experience replacing headliners, my advice is don't cheap out on the headliner adhesive. I think 3m may make a "good" and a "best" level of adhesive.

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#4720265 - 04/08/18 08:01 AM Re: Bubbles in headliner [Re: vavavroom]
pcoxe Offline


Registered: 05/14/07
Posts: 446
Loc: South Carolina
The foam backing is rotting away and it will continue to get worse. A good upholstery shop will know how to remove the headliner and fix it right.

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#4720283 - 04/08/18 08:18 AM Re: Bubbles in headliner [Re: vavavroom]
Trav Offline


Registered: 11/20/06
Posts: 19294
Loc: MA, Mittelfranken.de
Originally Posted By: vavavroom
I suggested he remove the headliner, peel off the old fabric cover, scratch laboriously off the old adhesive, buy new headliner fabric and headliner spray adhesive and do the job the right way.


^ This!

https://www.yourautotrim.com/auothead.html

For Beetle but they are all similar.

_________________________
ASE L1, Master. Deutsch Meisterbrief.

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#4720297 - 04/08/18 08:34 AM Re: Bubbles in headliner [Re: Trav]
Kira Offline


Registered: 08/19/10
Posts: 5409
Loc: Champlain/Hudson Valley
Had a guy (Phil's Auto Tops) in nearby Passiac, NJ who had an adequate stock of grey headliner fabric. Good prices, great work, no double talk etc.

Went there last time and he was retired. Happy retirement Phil.

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#4720313 - 04/08/18 08:49 AM Re: Bubbles in headliner [Re: vavavroom]
Kestas Offline



Registered: 06/04/02
Posts: 12392
Loc: The Motor City
I agree with Trav. The proper materials don't cost a lot. It just takes a bit of labor to do it properly.

Anything else is a short cut that will not bring the satisfaction of a job well done.

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#4722182 - 04/09/18 09:25 PM Re: Bubbles in headliner [Re: Trav]
vavavroom Offline


Registered: 10/31/17
Posts: 176
Loc: California
Trav, that's what I've been telling my son, but he's 15 and likes to experiment rather than listen to anyone. So I'll let him do his thing. If it goes wrong, he can always do it by the book after failing. Failure is the best teacher.

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#4722187 - 04/09/18 09:27 PM Re: Bubbles in headliner [Re: JohnnyJohnson]
vavavroom Offline


Registered: 10/31/17
Posts: 176
Loc: California
Originally Posted By: JohnnyJohnson
If you're that picky about a 1987 Golf either fix it right or replace the car with a new what ever. That thing is never going to be a classic!


I told my son he can have a slightly used and much safer car, but his heart is set on driving his grandpap's old Golf and I am not taking the choice away from him.

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#4722189 - 04/09/18 09:28 PM Re: Bubbles in headliner [Re: Linctex]
vavavroom Offline


Registered: 10/31/17
Posts: 176
Loc: California
Originally Posted By: Linctex
Originally Posted By: vavavroom
He wants to know if he can inject a fabric adhesive with a syringe through the center of a bubble, push down on the fabric and attach the loose fabric. What sayeth you?


NO.

"injecting a liquid" will only make a huge mess and a "hard spot" in the fabric.

You have to carefully cut each bubble with a SHARP razor blade down the middle,
apply a brush on adhesive to the backing board only (NOT the fabric),
then letting the solvents "flash off" before gently pushing the one side of the bubble up,
working from the outside edges of the bubble towards the cut.
Repeat with the other side of the cut bubble,
carefully joining the two sides together in a "seamless cut" - now hidden

Go to the wrecking yard and practice on a car there first.


Nobody suggested "injecting a liquid." Who are you quoting?

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#4722326 - 04/10/18 01:36 AM Re: Bubbles in headliner [Re: vavavroom]
NoNameJoe Offline


Registered: 06/03/15
Posts: 434
Loc: New York
The idea of injecting the adhesive doesn't sound that bad to be honest to just be done with it.

I think the important thing that might make or break the result is maybe instead of him injecting the amount in one spot, have him do multiple injections in small amounts at multiple areas of the bubble, to "blend" the adhesive and not make it a single obvious spot.

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#4722384 - 04/10/18 06:00 AM Re: Bubbles in headliner [Re: vavavroom]
SeaJay Offline


Registered: 03/05/15
Posts: 1108
Loc: New York City
These are the sort of repairs "back to factory condition" that makes millions for those reality TV shows.

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