How stop rain water from coming in on passenger side door on my 2003 350z?

Don A has an excellent answer, but if you have a sunroof, that is more likely the reason. The pipe runs down between the door pillar and the windshield and there is often a join there which can part. Be careful with compressed air as it can blow joints apart.

Water puddling on passenger side?

Nissan Forum https://www.nissanforums.com > threads > water-pudd...
Dec 19, 2004 - Hi, I have a 94 sentra xe and lately ALOT of water is on the floor on the passenger side. The sides and under the door are not wet, where ...

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My 2022 Nissan Sentra is leaking water into the front

JustAnswer https://www.justanswer.com > Nissan Repair
May 28, 2023 - I noticed water leakage about 1 month after I purchased the car. It had rained and there was puddle on the carpet and weather mat on the front ...

1 answer · Top answer: Hello and welcome to JustAnswer! Thank you for choosing us to answer your

classiic HVAC failure? LHD left hand drive car , no country told.
own for how long, 2years or 1day/ or what ( right passenger door?) for rain. ingress.
you said water, well that can be clean pure water
from RAIN or HVAC evap condensate,
using AC cool or heat + defrost mode? or just pure heat mode?
I do not know what you do there
i tray to capture water,in jar,and see if it is green or yellow or pink
that is AF antifreeze,
and put my fingers in it and rub fingers to thumb and it feels very very slippery, that is AF. not water
if i sniff it and smells sweet it is AF>
(3 ways to discover AF antifreeze)
ok it's water, so dont use AC or Defrost mode.
so that be RAIN or defrost condensart
sorry i could never even guess the water gravity effects from any car made from fire wall to rear of care, gee hills even change that.
learn to do deeper inspection of all carpets there.

bad door gasket
or last drove car with say a bandanna hanging out the door.
a 1 time event,nobody can guess ever.
and allowed rain to go inside any car.
or windows were not fully up.

Drip from where? If water is getting to your floorboard, and if you've ruled out a stopped up air conditioner drain, then it has to be coming in from either the firewall or the underside of the vehicle - especially if you're sure it only happens when it rains.

It could be the window sweep set is allowing water in or the door seal around the inside of the door jam and another over look problem is that the heating core is leaking coolant in to the vehicles cabin but the leak would be close to the dash if this is the case

Check the cabin air intake. Chances are the weather strip that lines part of the opening has come off. The intake should be accessible beneath the trim at the base of the windshield on the passenger side.

there should be drain holes that lets the water drain out check for them their most likely clogged

problem solved water in floor in drive floor an behind driver floor rear seat floor water in door drain holes was stopped up in door rain filled door up and over flow thru the panel into the floor of the car check by shake the door and see if u hear water that the problem drain holes is stopped up in the door poor design it also most under the weather stripping on the bottom of the door

Not comming from the speaker! Make sure that the rubber door trim aound the door is intact and not damaged. Additionally, check the rubber seal on the outside of the window where it retracts into the door. These are the only 2 ways that water can enter through the passenger door.

Engine coolant will feel oily and the windshield will fog up and the car will stink. If it is just water it could be coming from the passenger door weatherstrip at top. The ac drain tube , if stopped up will also leak water in the floorboard.

pop the hood and take out the plastic shroud on the passenger side at the firewall. there is a rubber weather stripping that will direct the rain water off the wind shield other wise the rain will fall directly onto the top of the fan motor then run down onto the carpet. i noticed mine when the fan motor iced up and was about an inch thick of ice. all i did was RTV on the weather stripping to redirect the water good luck.