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 > shield for towed car

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hepatalpath

phelps, new york

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Posted: 09/14/19 12:10pm Link  |  Quote  |  Print  |  Notify Moderator

We tow a GMC Terrain four wheels down behind our RV when heading south. We have a Roadmaster Guardian shield that we use on that car. Husband is concerned about air flow behind the shield and wants to know if drilling small holes in the shield will be a benefit or if doing so will affect the integrity of the shield.

Mile High

CO

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Posted: 09/14/19 12:31pm Link  |  Quote  |  Print  |  Notify Moderator

I got rid of the full rear mudflap in the back and don't need any kind of shield anymore. The mudflap was causing the issue.


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Flute Man

Payson, Arizona

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Posted: 09/14/19 12:36pm Link  |  Quote  |  Print  |  Notify Moderator

Mile High wrote:

I got rid of the full rear mudflap in the back and don't need any kind of shield anymore. The mudflap was causing the issue.

same here.
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Posted: 09/14/19 02:15pm Link  |  Quote  |  Print  |  Notify Moderator

If the mudflap is less than 5" at ride height then it can throw up rocks, etc. A hard shield can reflect rocks forward putting paint and rear radiators at risk. The best protector is a Protect A Tow type to keep everything under the car.

If I had a shield I'd cover it with say a shower rubber mat from HD, etc to reduce deflections forward.

I'm very doubtful that a shield that far back would have any significant effect on air flow. Now if you drive with the shield stowed on the rig then it seems likely to have a negative effect.


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crawford

Dandridge Tenn.

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Posted: 09/14/19 02:55pm Link  |  Quote  |  Print  |  Notify Moderator

My friend just left and his is sitting in his yard next to shed. He has a brand new 4 door jeep he paid 50,000 plus hes not concern on back of his coach.


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Posted: 09/14/19 03:37pm Link  |  Quote  |  Print  |  Notify Moderator

crawford wrote:

My friend just left and his is sitting in his yard next to shed. He has a brand new 4 door jeep he paid 50,000 plus hes not concern on back of his coach.
Understandable and applies to most of us. Rigs and roads are different and it depends upon your level of concern.

Since 2004 I haven't had any protection but I've found a few rocks on the toad.

IMHO You're more likely to have a problem with the MH windshield.

Tom Cooper

New York

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Posted: 09/14/19 05:16pm Link  |  Quote  |  Print  |  Notify Moderator

Mile High wrote:

I got rid of the full rear mudflap in the back and don't need any kind of shield anymore. The mudflap was causing the issue.


Did the same. At first I was worried about the consequences, but as it turned out they were not, or there were but those that did not cause discomfort to me

dodge guy

Bartlett IL

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Posted: 09/14/19 06:44pm Link  |  Quote  |  Print  |  Notify Moderator

The OP is talking about the shield that attaches to the cars base plate! Not the rear rock guard under the RV


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BUTCHPHI

Sacramento, CA

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Posted: 09/15/19 01:16am Link  |  Quote  |  Print  |  Notify Moderator

I second CA Traveler comment. By far the best protector is a Protect A Tow type to keep everything under the car. Even protects your wiring and cables.





Y-Guy

Tri-Cities, WA

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Posted: 09/15/19 08:10am Link  |  Quote  |  Print  |  Notify Moderator

hepatalpath wrote:

Husband is concerned about air flow behind the shield and wants to know if drilling small holes in the shield will be a benefit or if doing so will affect the integrity of the shield.
I can't see any benefit from doing this, in a rain situation it would just let any rain/mud/dirt get through the holes. What does he think the benefit would be from it? What concerns about airflow does he have? The car isn't running so I'm not sure what concerns he has.


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