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Undercarriage Rattle


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I'm getting an intermittent rattle from under my car when I go over a serious of bumps. It sounds like a flat thin piece of metal clanking. The first thing I checked were the anti-rattle clips on the calipers but they are all in place and are not loose.

 

Anything else I should be checking? Can the rattle clips be bad even though they seem firmly in place?

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In the FSM, it is called the Aero Shield, and it is held in place by 4 bolts, 4 trim pins, and 2 push pins. To install, tighten to 10 Nm (89 lb-in). Likely find it in Emissions Components along with the Vapor Canister.

 

Might be these two, but I can't tell 4 sure:

FORD OEM Exterior-Air Deflector Left BT4Z7811398B

 

FORD OEM Exterior-Air Deflector Right BT4Z7811398A Edited by WWWPerfA_ZN0W
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  • 3 weeks later...

 

In the FSM, it is called the Aero Shield, and it is held in place by 4 bolts, 4 trim pins, and 2 push pins. To install, tighten to 10 Nm (89 lb-in). Likely find it in Emissions Components along with the Vapor Canister.

 

Might be these two, but I can't tell 4 sure:

FORD OEM Exterior-Air Deflector Left BT4Z7811398B

 

FORD OEM Exterior-Air Deflector Right BT4Z7811398A

 

Is this aero shield covering emmisions components? What exactly is this covering? I'm thinking that something on the other side of this shield is loose.

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Evaporative Emission Canister

post-23566-0-24228600-1461430396_thumb.jpg
Item Part Number Description
1 — Evaporative Emission (EVAP) canister vent solenoid electrical connector (part of 14A005)
2 9E857 EVAP canister
3 — Fuel vapor tube (part of 9S327)
4 9G676 EVAP canister vent solenoid/dust separator
5 W705681 EVAP canister pin-type retainer
6 W710330 EVAP canister bolt (3 required)
7 — Fuel vapor tube-to- EVAP canister quick connect coupling (part of 9S284)
8 — Fuel vapor tube assembly-to- EVAP canister quick connect coupling (part of 9S284)

Fuel Vapor Tube Assembly

post-23566-0-22272800-1461430417_thumb.jpg
Item Part Number Description
1 N811781 Fuel tank strap bolt (4 required)
2 9092 Fuel tank strap (2 required)
3 9002 Fuel tank

post-23566-0-98463300-1461430429_thumb.jpg
Item Part Number Description
1 14A464 Fuel Tank Pressure (FTP) sensor electrical connector
2 — Fuel tank fuel vapor tube assembly-to-fuel pump module quick connect coupling (part of 9D667)
3 — Fuel tank tube-to-fuel tank fuel vapor tube quick connect coupling (part of 9002)
4 — Fuel tank fuel vapor tube assembly-to-Evaporative Emission (EVAP) canister fuel vapor tube assembly quick connect coupling (part of 9D667)
5 9D667 Fuel tank fuel vapor tube assembly
6 — EVAP canister fuel vapor tube assembly-to-canister quick connect coupling (part of 9D667)
7 9D667 EVAP canister fuel vapor tube assembly

Fuel Lines — 3.5L, 3.7L - Middle Fuel Supply and Evaporative Emission (EVAP) Vapor Tubes

post-23566-0-17746700-1461430445_thumb.jpg
Item Part Number Description
8 — Middle brake tube-to-front brake tube fitting (part of 9S284)
9 — Front brake tube-to-middle brake tube fitting (part of 9C296)
10 — Front brake tube-to-middle brake tube fitting (part of 9C296)
11 — Middle brake tube-to-front brake tube fitting (part of 9S284)
12 — Front EVAP vapor tube quick connect coupling-to-middle EVAP vapor tube (part of 9J280)
13 — Front fuel supply tube quick connect coupling-to-middle fuel supply tube (part of 9J280)
14 W707137 Bundle retainer clip nut (2 required)
15 — Middle EVAP vapor tube quick connect coupling-to- EVAP canister (part of 9S284)
16 — Middle EVAP vapor tube quick connect coupling-to- EVAP canister (part of 9S284)
17 — Middle brake tube fitting-to-rear brake hose (part of 9S284)
18 — Middle brake tube fitting-to-rear brake tube fitting (part of 9S284)
19 — Rear brake tube fitting-to-middle brake tube fitting (part of 2265)
20 9S284 Middle fuel supply and EVAP vapor tube assembly

 

AERO/EVAP Shields

post-23566-0-49307900-1461430471_thumb.jpg

post-23566-0-32428400-1461430481_thumb.jpg

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Evaporative Emission Canister

 

attachicon.gif2012 Ford Edge Evaporative Emission Canister.JPG

Item Part Number Description

1 — Evaporative Emission (EVAP) canister vent solenoid electrical connector (part of 14A005)

2 9E857 EVAP canister

3 — Fuel vapor tube (part of 9S327)

4 9G676 EVAP canister vent solenoid/dust separator

5 W705681 EVAP canister pin-type retainer

6 W710330 EVAP canister bolt (3 required)

7 — Fuel vapor tube-to- EVAP canister quick connect coupling (part of 9S284)

8 — Fuel vapor tube assembly-to- EVAP canister quick connect coupling (part of 9S284)

 

Fuel Vapor Tube Assembly

 

attachicon.gif2012 Ford Edge Fuel Vapor Tube Assembly 1.JPG

Item Part Number Description

1 N811781 Fuel tank strap bolt (4 required)

2 9092 Fuel tank strap (2 required)

3 9002 Fuel tank

 

attachicon.gif2012 Ford Edge Fuel Vapor Tube Assembly 2.JPG

Item Part Number Description

1 14A464 Fuel Tank Pressure (FTP) sensor electrical connector

2 — Fuel tank fuel vapor tube assembly-to-fuel pump module quick connect coupling (part of 9D667)

3 — Fuel tank tube-to-fuel tank fuel vapor tube quick connect coupling (part of 9002)

4 — Fuel tank fuel vapor tube assembly-to-Evaporative Emission (EVAP) canister fuel vapor tube assembly quick connect coupling (part of 9D667)

5 9D667 Fuel tank fuel vapor tube assembly

6 — EVAP canister fuel vapor tube assembly-to-canister quick connect coupling (part of 9D667)

7 9D667 EVAP canister fuel vapor tube assembly

 

Fuel Lines — 3.5L, 3.7L - Middle Fuel Supply and Evaporative Emission (EVAP) Vapor Tubes

 

attachicon.gif2012 Ford Edge 3-5-7L Middle Fuel Supply and Evaporative Emission (EVAP) Vapor Tubes.JPG

Item Part Number Description

8 — Middle brake tube-to-front brake tube fitting (part of 9S284)

9 — Front brake tube-to-middle brake tube fitting (part of 9C296)

10 — Front brake tube-to-middle brake tube fitting (part of 9C296)

11 — Middle brake tube-to-front brake tube fitting (part of 9S284)

12 — Front EVAP vapor tube quick connect coupling-to-middle EVAP vapor tube (part of 9J280)

13 — Front fuel supply tube quick connect coupling-to-middle fuel supply tube (part of 9J280)

14 W707137 Bundle retainer clip nut (2 required)

15 — Middle EVAP vapor tube quick connect coupling-to- EVAP canister (part of 9S284)

16 — Middle EVAP vapor tube quick connect coupling-to- EVAP canister (part of 9S284)

17 — Middle brake tube fitting-to-rear brake hose (part of 9S284)

18 — Middle brake tube fitting-to-rear brake tube fitting (part of 9S284)

19 — Rear brake tube fitting-to-middle brake tube fitting (part of 2265)

20 9S284 Middle fuel supply and EVAP vapor tube assembly

 

AERO/EVAP Shields

attachicon.gif2012 Ford Edge Aero Shield.JPG

attachicon.gif2012 Ford Edge 2.0T EVAP Shield.JPG

Thanks!! Unfortunately these components had nothing do with the rattle.

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Check gas tank shield. The shield on my 13 SEL rattled. I stuck a piece of hard foam rubber between tank and shield. I found the rattle by lying under car a tapping on anything that I thought would move.

 

Larry

Checked that. I even placed some foam spacers to ensure they could not be the culprit.

 

I was under the car for an hour yesterday. I could not find anything loose yet I still hear it when driving over light bumps..It really sounds like the anti-rattle clip however ALL of them are in place

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Broken part inside the cat converter or muffler?

It really sounds like it's coming from the rear and it sounds like it's exposed to the outside, (doesn't sound like it's coming from within any housing)...

 

I'm hoping it's coming from the rear brakes. I'm thinking that maybe one of the brake pad clips are broken even though they are still there...Guess I'll have to take it in...

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The more I drive around and listen, it really sounds like the rattle clips on the brakes. Only thing is all rattle clips are in place. Perhaps they are cracked somewhere. I plan on inspecting them at some point soon.

Had a rattle one time and it turned out to be a loose mud flap. Also since you are down under the car check the sway bar links and give them a good tug to make sure they are not broken. They tend to make noise when broken also. The only other thing might be the Wheel Induction Heat Sink Flux Modulator but I am betting that is not the problem.

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