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[Travel] Flooded petrol engine - what’s the damage?



Fungus

Well-known member
NSC Patron
May 21, 2004
7,192
Truro
Sister drove her Merc through a flood the other day, and in her reasonably knowledgeable opinion, the engine is “f***ed”. She nursed it the few miles home, and it’s been towed away.

I was trying to explain to my wife the consequences of water in an internal combustion engine, but wasn’t much more eloquent than my sister.

Can someone explain it better? And is it an expensive replacement job? ☹️
 




dazzer6666

Well-known member
NSC Patron
Mar 27, 2013
56,559
Burgess Hill
Sister drove her Merc through a flood the other day, and in her reasonably knowledgeable opinion, the engine is “f***ed”. She nursed it the few miles home, and it’s been towed away.

I was trying to explain to my wife the consequences of water in an internal combustion engine, but wasn’t much more eloquent than my sister.

Can someone explain it better? And is it an expensive replacement job? ☹️
I guess worst case will either a need a rebuild or replacement engine.

Decent article here https://do-it-up.com/vehicles/engine-transmission/car-went-through-water-and-died-how-to-fix/
 














beorhthelm

A. Virgo, Football Genius
Jul 21, 2003
36,147
file under "it depends...". a lot of the problems are with the electrics, components shorted, makes modern cars more vulnerable to water damage.
 






Lady Whistledown

Well-known member
NSC Patron
Jul 7, 2003
47,844
Depending on the car, it's potentially a write off.

Then again her insurer would generally reject any such claim in the first place due to the fact that driving through floodwater is an entirely avoidable event.

I guess it will come down to whether she wants to pay for a new engine, or a new car.
 


Green Cross Code Man

Wunt be druv
Mar 30, 2006
20,941
Eastbourne
I followed a few cars through a flooded part of the road just past Deanlands on the way to Ripe where my parents lived a few years ago. Although other cars sailed through, I was unlucky enough to have a Ford Mondeo which apparently draws air from very low, so ended up with the same problem. The engine was wrecked and I bought a reconditioned engine, which was still expensive but a lot cheaper than new. I can't remember the price, but it was thousands. It was pretty annoying and upsetting. I hope you find a good solution.
 
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Springal

Well-known member
Feb 12, 2005
25,074
GOSBTS
Try insurance company. Were there other cars around that maybe created a bit of a ‘tide’ driving through which could have caused her car to ingest water ?

This happened to a relative of mine by a 4x4 going through some standing water quickly, damaging 4 cars
 






Fungus

Well-known member
NSC Patron
May 21, 2004
7,192
Truro
Try insurance company. Were there other cars around that maybe created a bit of a ‘tide’ driving through which could have caused her car to ingest water ?

This happened to a relative of mine by a 4x4 going through some standing water quickly, damaging 4 cars
No idea, but she’d already done a long detour to avoid known floody roads. She’s in deepest Dorset; we’ve avoided stopping there on our way back home - we’re fully electric, but I still wouldn’t fancy it.
 






Muzzman

Pocket Rocket
Jul 8, 2003
5,490
Here and There
For the price it's gonna cost to get a Merc fixed, she may as well get one of these...

bond.jpg
 


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