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Are Engine Splash Guards Really Needed? #5327365 01/19/20 08:14 PM
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Mr_Luke Offline OP
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I just realized today that my 2012 Prius C at one time had dual splash guards under it to keep water and debris away from the engine area and to aid in aerodynamics. Many people throw them away so they can save a few minutes when they change the oil and filter, etc. Should I bother with buying a pair of them and installing them? They would cost about $70 and are not original OEM. They seem to have about 20 screws holding them in place.

I live in upper East Tennessee. We seldom get salty roads here.
Most of my driving is local and up to 4 or 5k miles a year.
I easily get about 50 MPGs with my car.


2012 Toyota Prius C / 108k
Conoco Phillips 0w20 FS
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Re: Are Engine Splash Guards Really Needed? [Re: Mr_Luke] #5327368 01/19/20 08:18 PM
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OVERKILL Offline
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They provide an aerodynamic benefit and also keep stuff clean. IF you can pick them up cheap enough they are probably worth procuring.


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2020 Grand Cherokee SRT - Ravenol SSL 0w-40, FRAM Ultra
Re: Are Engine Splash Guards Really Needed? [Re: OVERKILL] #5327377 01/19/20 08:25 PM
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Lolvoguy Offline
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Originally Posted by OVERKILL
They provide an aerodynamic benefit and also keep stuff clean

+1

Years ago we had Volvo 240's in our family.
One particular shop didn't re-install the front belly pan (splash pan) on the car after doing some maintenance/repairs.
During the next few years the car would inexplicably have town steering rack boots and when on the highway would wander all over the road.

So yes, IMO they are worth it.


06 Lexus IS350- Wife
88 BMW 325is- Mistress
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Re: Are Engine Splash Guards Really Needed? [Re: Mr_Luke] #5327381 01/19/20 08:29 PM
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Chris142 Offline
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Yes. Especially when you have a sideways engine. If a fwd gm car or chrysler Anything is missing it the serpentine belt is guaranteed to come off on a rainy day.


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Re: Are Engine Splash Guards Really Needed? [Re: Mr_Luke] #5327395 01/19/20 08:38 PM
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LeakySeals Offline
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Seems like every used car I buy is missing them. In the rust belt they really help keep the salt off the bottom of the engine, subframe, front radiator support.


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03 Maxima 3.5L 170k Maxlife HM 10w30
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Re: Are Engine Splash Guards Really Needed? [Re: Mr_Luke] #5327400 01/19/20 08:43 PM
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Mr_Luke Offline OP
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OK, I'll probably buy it.

My car doesn't have any belts in it, but still. smile

The previous owner was probably never even told that the service people removed it and threw it away.
So the cars get traded in that way and the new owner has to pay $50 to $75 to buy a replacement, and that doesn't even include the screws, while the OEM removed ones get buried at landfills.
I would have been mad if some shop had thrown mine away without telling me.
That's why it pays to be familiar with the undersides and under the hood of your car and the work these shops do to your cars if you don't DIY.


2012 Toyota Prius C / 108k
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Re: Are Engine Splash Guards Really Needed? [Re: Mr_Luke] #5327401 01/19/20 08:44 PM
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OVERKILL Offline
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Originally Posted by Mr_Luke

OK, I'll probably buy it.

My car doesn't have any belts in it, but still. smile

The previous owner was probably never even told that the service people removed it and threw it away.
So the cars get traded in that way and the new owner has to pay $50 to $75 to buy a replacement, and that doesn't even include the screws, while the removed ones get buried at the landfills.
I would have been mad if some shop had thrown mine away without telling me.
That's why it pays to be familiar with the undersides and under the hood of your car and the work these shops do to your cars if you don't DIY.


thumbsup


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2020 Grand Cherokee SRT - Ravenol SSL 0w-40, FRAM Ultra
Re: Are Engine Splash Guards Really Needed? [Re: Mr_Luke] #5327405 01/19/20 08:48 PM
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PimTac Offline
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That’s assuming what happened. I could think of a number of reasons why they are not there.


2017 Mazda CX5
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Re: Are Engine Splash Guards Really Needed? [Re: Mr_Luke] #5327418 01/19/20 09:18 PM
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Dave9 Offline
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I'd pull them used at a junkyard and before installing them, cut out an access panel for the oil changes and put it back on as a hatch with stainless hinge, clasp, and fasteners. You could also use an oversized piece of new material for the hatch, to overlap then throw a gasket around it if you want to get fancy smantzy. wink

Last edited by Dave9; 01/19/20 09:21 PM.
Re: Are Engine Splash Guards Really Needed? [Re: Dave9] #5327420 01/19/20 09:19 PM
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OVERKILL Offline
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Originally Posted by Dave9
I'd pull them used at a junkyard and before installing them, cut out an access panel for the oil changes and put it back on as a hatch with stainless hinge, clasp, and fasteners.


Good idea.


2019 RAM 1500 Sport - Mobil 1 EP 0w-20, FRAM Ultra
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Re: Are Engine Splash Guards Really Needed? [Re: OVERKILL] #5327422 01/19/20 09:24 PM
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I like having a fully functioning one on my vehicles. Where I live there is a lot of snow and salty slush. I think it helps not splashing all of that muddy gravely brown slush four months out of the year. If I have one that is ripped off on a used car I buy, I go to Ebay and purchase one and replace it, along with putting mud guards on the car.


2015 Corolla LE, 1.8, QSUD 0w-20, Fram Ultra, 55K miles
2012 Scion XB 2.4, QSUD 0w-20, Fram Ultra, 21K miles
2017 Mitsubishi Outlander Sport--Can't wait to get rid of it
Re: Are Engine Splash Guards Really Needed? [Re: Mr_Luke] #5327423 01/19/20 09:25 PM
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I notice that my oil temp struggles to get up there when I don't have the pan on. And it's a lot messier. I just had one shipped for $80 with shipping - hopefully it fits!


2007 BMW 335i n54 210,000 miles, lubricated by whatever is on sale
Re: Are Engine Splash Guards Really Needed? [Re: Mr_Luke] #5327426 01/19/20 09:26 PM
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Are they plastic push clips? OEM clips are pricey. Ive had success with aftermarket ones on my corolla. I never lost the pieces themselves but during our winters with high snow the clips break leaving the shields to drag when driving. You wont have that issue so if you replace them, they will likely last.

Last edited by Rolla07; 01/19/20 09:27 PM.

2007 Corolla Red Pearl 155k miles
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2015 Toyota Venza Parisian Blue Pearl 25k miles
TGMO 0W20 & OEM filter

Re: Are Engine Splash Guards Really Needed? [Re: Mr_Luke] #5327430 01/19/20 09:30 PM
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I would replace them. What I have been told is they are there more to protect engine components from water splashing up on them.


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Re: Are Engine Splash Guards Really Needed? [Re: Mr_Luke] #5327479 01/19/20 11:08 PM
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CR94 Offline
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On the C, the underpanel is probably attached mostly with plastic push-pins (as on my regular Prius), not with screws. Those things can be frustratingly balky when they get dirty. You can find them on-line less expensive than dealer prices.

Part of the (less extensive) under-engine paneling of my Mazda, as well as some of the rubber skirting between the engine and the wheels, was destroyed over the years by road junk. When I later got into a snow storm, snow thrown off the wheels ended up on top of the engine, where it got on the ignition cables and distributor, causing the engine to misfire badly. The misfiring caused a(n otherwise rare) backfire, which blew off a hidden vacuum hose, making the engine run even worse and stall. Incidentally, that never happened in hard rain, only with snow. Getting stuck in deep snow is even more fun when the engine barely runs.


2011 Toyota Prius now at 109K
1981 Mazda GLC (323) retired at 606K
1972 Subaru DL retired at 190K
1954 Chevrolet retired at 121K
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