General Fiat Panda 2004 trunk leak

[Hans888]

Hello everyone,

I'm facing a challenging issue and I'm hoping someone here might have some experience or advice to offer. After every heavy rainstorm, I find water in my trunk. This is a recurring problem and I just can't seem to pinpoint where the leak is. I've made some pictures showing where it's leaking. I've searched through various forums but haven't made much progress in identifying the exact cause. Any insights or suggestions would be greatly appreciated! Thank you in advance. Fiat Panda dualogic 2004

 

[Hans888]

Seems to be the other side too

 

[varesecrazy]

Hi Hans,

Generally the water will enter at the Top of the car and slowly work downwards,

Over time the Sealant fitted at the factory dries and shrinks

Very common in 2008 puntos, now 500 models 2008+ have started.. So your 2004 has done ok

My 2004 panda was great (and dry) but I sold it in 2010, after 14 years

Look around the 'mastic' sealed areas (joins where body panels meet)

I suppose you Could have a leaky Aerial /antenna as water creeps to both sides

This 500 thread will give you a picture of what could be involved :

Leaky boot | FIAT 500 (2007+)

Hi All New to this forum and need some help. I have a Fiat 500 1.2. It has been having leaks in the boot. I have sent the car to two garages and still no luck. The first garage looked at the rear lights and found no issue. The second garage believed it was the seal around the sunroof that may...

www.fiatforum.com

 

[koalar]

Unfortunately, it's been a recurring theme, but the answer isn't always the same


Rear hatch seam
Rear fresh air vent valve
Rear quarter windows
Arial
Sunroof
Light clusters
Hatch glass bond
Rear washer pipe

Along with some I have probably forgoten

If there's nothing obvious

It's down to diagnose the problem

Strip the carpets and trim out, dust talcum powder everywhere and take it the car wash, or sprinkle it with a hose pipe

Sit in the boot with a torch

 

[Hans888]

Hi Hans,

Generally the water will enter at the Top of the car and slowly work downwards,

Over time the Sealant fitted at the factory dries and shrinks

Very common in 2008 puntos, now 500 models 2008+ have started.. So your 2004 has done ok

My 2004 panda was great (and dry) but I sold it in 2010, after 14 years

Look around the 'mastic' sealed areas (joins where body panels meet)

I suppose you Could have a leaky Aerial /antenna as water creeps to both sides

This 500 thread will give you a picture of what could be involved :

Leaky boot | FIAT 500 (2007+)

Hi All New to this forum and need some help. I have a Fiat 500 1.2. It has been having leaks in the boot. I have sent the car to two garages and still no luck. The first garage looked at the rear lights and found no issue. The second garage believed it was the seal around the sunroof that may...

www.fiatforum.com

Thank you for your response! I really appreciate your help. Could you please share some photos indicating exactly where I should check for potential leaks? It would be immensely helpful to have a visual reference. Thanks again!

 

[koalar]

One of the areas on the Panda is here

Water leaking into boot | FIAT Panda (Mk3)

We bought "Becky" (2010 Panda Dynamic Eco 1.2) shortly after the turn of the year and almost right away realised that water was leaking into the boot. I was fortunate enough to get her for a very good price so was not particularly surprised that the dealer (quite a small concern) whilst not...

www.fiatforum.com

By @Pugglt Auld Jock

 

[Pugglt Auld Jock]

One of the areas on the Panda is here

Water leaking into boot | FIAT Panda (Mk3)

We bought "Becky" (2010 Panda Dynamic Eco 1.2) shortly after the turn of the year and almost right away realised that water was leaking into the boot. I was fortunate enough to get her for a very good price so was not particularly surprised that the dealer (quite a small concern) whilst not...

www.fiatforum.com

By @Pugglt Auld Jock

Very glad to be able to report that Becky is still watertight!

 

[Hans888]

One of the areas on the Panda is here

Water leaking into boot | FIAT Panda (Mk3)

We bought "Becky" (2010 Panda Dynamic Eco 1.2) shortly after the turn of the year and almost right away realised that water was leaking into the boot. I was fortunate enough to get her for a very good price so was not particularly surprised that the dealer (quite a small concern) whilst not...

www.fiatforum.com

By @Pugglt Auld Jock

Hello Koalar,

Thanks for your response and help. I have used sealant glue to refit the whole trunk rubber. Unfortunately its still leaking. So it must be coming from something else.

 

[koalar]

Hello Koalar,

Thanks for your response and help. I have used sealant glue to refit the whole trunk rubber. Unfortunately its still leaking. So it must be coming from something else.

As per post 4

There isn't just one cause

Best to take all the trim off

Sit in the boot

While someone pours water of rear

 

[Hans888]

Can someone explain what happens when water enters between the crack (Circle in the photo). Water gets in here when its raining flowing from top to bottom behind the tail light. I intend to seal this part, but I'm uncertain of its effectiveness or what will happen. My car is leaking water from both sides at the bottom, leading me to believe the leak may originate from this area.

 

[Hans888]

Very glad to be able to report that Becky is still watertight!

You have any clue? Where there others parts you’ve sealed with silicone?

 

[Pugglt Auld Jock]

You have any clue? Where there others parts you’ve sealed with silicone?

Nope. It was only the seal I applied sealant to. Water leaks can be the very devil to sort out. I've known experienced coachworks spend hours on them - noone likes sorting this sort of stuff out. Good luck.

 

[jasimog]

I had a boot leak a few weeks ago. I tested carefully with a jug of water and found it to be coming from the roof area near the tailgate hinges - I carefully lifted the rear 5cm of the black strips either side that cover the roof/side panel seams and there was a small gap on the left hand side. I sealed it with epoxy resin and tapped the black strips back in place with a nylon hammer. All sorted and watertight again.

 

[koalar]

Can someone explain what happens when water enters between the crack (Circle in the photo). Water gets in here when its raining flowing from top to bottom behind the tail light. I intend to seal this part, but I'm uncertain of its effectiveness or what will happen. My car is leaking water from both sides at the bottom, leading me to believe the leak may originate from this area.View attachment 437921

From outside

From the inside