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Mercury Mariner 2006 FWD 6cyl, rear wheel backing plate


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Knucklekopf
User

Apr 24, 2019, 12:00 PM

Post #1 of 10 (187 views)
Mercury Mariner 2006 FWD 6cyl, rear wheel backing plate Sign In

Hello, I need to replace this backing plate on driver's side. I have found the part online, but not much info on the wheel assemblyand how involved the replacement process would be.
There is a cover over the axle nut apparently. I suppose I need to pry that off to get to the nut ?
Can I use a simple hub puller to get this off? I have seen some videos of various ways to do this, but nothingspecific to my vehicle.
Then I am not sure if the backing plate has rivets holding it on, which I don't mind using a chisel to get it off,but what about on the re-install is something extra necessary to be done for that ? re-rivet the backing plate ?
If so, then I don't have the tools nor skills for that...so I would at least know I need to take it to the shop.
thanks in advance for any input..


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Apr 24, 2019, 1:20 PM

Post #2 of 10 (179 views)
Re: Mercury Mariner 2006 FWD 6cyl, rear wheel backing plate Sign In

Quote you ">If so, then I don't have the tools nor skills for that...so I would at least know I need to take it to the shop.
thanks in advance for any input..<"
It's fine that you don't have the tools or skills BTW. You do need to know how NOT to mess it all up and I write a ton over very little sometimes. Just ask a shop how much it's only labor unless the reason you need it caused more trouble than you think then nice if a pro did it. Ask up front just the plate how much.
Even super easy ones if you aren't real sure or what to look for while there it's just not a saving for you so I'll quit.


Good luck. Bet under an hour if no wild problems show up in doing it,


T



Knucklekopf
User

Apr 24, 2019, 2:30 PM

Post #3 of 10 (169 views)
Re: Mercury Mariner 2006 FWD 6cyl, rear wheel backing plate Sign In


In Reply To
Quote you ">If so, then I don't have the tools nor skills for that...so I would at least know I need to take it to the shop.
thanks in advance for any input..<"




Meaning I can't do re-riviting.. but based on what I have seen so far
it may not be necessary either. So I was asking if anyone had specific experience
with this vehicle... other than that this looks doable for an amateur
maybe I'm in the wrong forum if this is just here to tell people looking for help "take it to the shop"...

Thanks for the suggestion , but I was aware already I could go get jacked
up at the shop, which is ultimately what I'm trying to avoid.

Dunno if people have heard how many people have even $400 for an "emergency" these days. Not quite there.. but I'll explore all the knowledge I can find before i drop $400 - $600 on this..for a car that's still running.


(This post was edited by Knucklekopf on Apr 24, 2019, 2:31 PM)


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Apr 24, 2019, 9:14 PM

Post #4 of 10 (148 views)
Re: Mercury Mariner 2006 FWD 6cyl, rear wheel backing plate Sign In

Sport - this site is free to use and all volunteer time by us nobody is here to "jack" you. If that's all you think of this trade and treat it that way that's probably what you'll experience.
Why does it need anything? Rust, bent and why just one side? Have you looked at it if only take the wheel off?


Rivets? I can't know if this is already messed with or what's there now lots of riveted things you use nuts and bolts after you shear those off. If you meant riveting a brake lining that is older than I am to buy friction lining off a roll and make your own. If disc pads lost friction material from a pad's backing plate those are glued on new and rust gets between the two and can fall off. That's time to redo the whole show worn out or not and would be doing both sides with anything to do with this stuff. Now it gets into some bucks.
Are we or just me off track? A backing plate holds shoes if drum or acts as splash shield either way. Metal or plastic on this? Have you looked at it at all?


Why ask when this is right in front of you and I couldn't know if already AFUed by something or what happened that you need a thing? Pics or not almost aren't going to help it has to be seen in person would be obvious.


Just ask for a price you do NOT need to accept that get another quote or find out why it needs this,


T



Knucklekopf
User

Apr 25, 2019, 9:04 PM

Post #5 of 10 (125 views)
Re: Mercury Mariner 2006 FWD 6cyl, rear wheel backing plate Sign In

The lip that surrounds the backing plate got bent in the lower area as indicated, and is now causing friction... that's why I want to replace it.. drum brakes work , and doesn't seem to be producing crazy extra heat from it. The wheel turns with when the car is jacked off the ground..but with some effort. The brake line is another part that can be bought as a replacement.
The assembly parts can be seen here. What it doesn't show is the cap over the nut..
which I still don't know if it can be pried off or not.. but I suspect that's the case.





(This post was edited by Knucklekopf on Apr 25, 2019, 9:18 PM)


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Apr 26, 2019, 2:33 AM

Post #6 of 10 (113 views)
Re: Mercury Mariner 2006 FWD 6cyl, rear wheel backing plate Sign In

That type plate must hold brake shoes perfectly some you can bend back with it all in place. Hub needed removing so does wheel cylinder, violated brake fluid if done new. It's fastened, rivets or bolts may bust?
If that doesn't just bend back and be right this at 14 or so years old your risk the Domino effect of bleeding brakes, frozen other bleeders so needs you to look only at yours see if it can be just bent back.


That could take many hours to get just right with new plate again the other things could be the nightmare and with just age is not very DIY friendly if not very well equipped for the job. Doesn't show a parking brake cable may be done another way or just not shown. That's another whole snag.


IT'S BENT! HOW DID THAT HAPPEN? IT DIDN'T DO THAT BY ITSELF SOME MISHAP HAPPENED OR VEHICLE WAS DROPPED WITH THE WHEEL OFF?
If rust involved and things break but it must be replaced is going to take experience not even just the tools.


Nobody wants to overspend but this could take real skil, tools and time to do right and since it's brakes too risky to others and you to allow it to fail totally so do the right thing and send this out unless you have both the tools and at least experienced help this would be hard IMO as it goes. Pics on the web make so much look so easy and dirt cheap sometimes isn't the way this stuff works,


T



Knucklekopf
User

Apr 26, 2019, 11:01 AM

Post #7 of 10 (105 views)
Re: Mercury Mariner 2006 FWD 6cyl, rear wheel backing plate Sign In

Yes as you can see the shoes floating over to the right, there is a parking brake cable that is held into place at the bottom of the drum brake shoes.
Probably bent when taking off rusty drum, not dropped off the jack.


(This post was edited by Knucklekopf on Apr 26, 2019, 11:04 AM)


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Apr 26, 2019, 11:58 AM

Post #8 of 10 (97 views)
Re: Mercury Mariner 2006 FWD 6cyl, rear wheel backing plate Sign In

Yes - sure can bend that prying off a drum. It may or may not bend back perfectly or not but if already altering how brake shoes operate you really should consider all new brake hardware and the shoes also means a new drum and lube it so this issue is NEVER again.
Park cables come out a couple different ways if thru backing plates. There are tools that help a lot or just bust some and replace it with exact OE part. That can mess up the show so need to have back brakes known perfect to adjust new cables if mandatory to bust the one there so it will not disturb normal braking. It's just fussy and done in order if spot on that adjustment shouldn't need touching again. If wrong badly either it will not work properly or could ruin rear brakes so there's some finesse about those.
So let's start over on if you really want to do this or send it out. Point is seems you are going to end up with up to a full rear brake job and possibly a parking cable.
The general rule is what you do to one side do the same to the other so they match perfectly in all ways.
If shoes not just center of brake drum to hub were also sunk into a groove it pulled too hard on hold-down springs now I don't trust those adds just a kit with all hardware for both sides.
The question just asked is do you want to and ready to handle all of it as it seems to have compounded to more than just a stuck drum and bent backing plate.


It's open web I can't suggest anything but the best results for brakes no short cuts or faking anything. An easy bend back if perfect AGAIN doesn't seem quite finished yet if shoes shifted. Bummer cost wise possible and justified. Having an accident for doing things wrong simply must be avoided,


Tom



Knucklekopf
User

Apr 26, 2019, 12:28 PM

Post #9 of 10 (92 views)
Re: Mercury Mariner 2006 FWD 6cyl, rear wheel backing plate Sign In

Shoes seem to be working fine, just the edge of the drum is scraping the bent portion on the backing plate. It's not bent all the way around.. and as I said the wheel does turn when off the ground ..just not easy or smooth.I'll have to check again on that parking brake cable if that will make it a bigger issue, good point there. So far I've had the good judgment not to drive a car that's not road worthy..and have a pretty good track record of notkilling other drivers, so I'll keep going with my odds for now.


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Apr 26, 2019, 1:46 PM

Post #10 of 10 (79 views)
Re: Mercury Mariner 2006 FWD 6cyl, rear wheel backing plate Sign In

OK: Need your eyes to make the final call. I just think you can straighten that backing plate, with drum off you'll see where it touches drum. Inspect that for damage to trueness and if harm to a friction area inside.
So if you can visually see bent area vs new one or other side if different do some measuring 1st I guess. Now up to you be creating to grab it, C-clamps or what would have a strong hold as room allow (shoes off now out of the way) and think up how to push from a spot or pull to put it back. A simple bend of pretty strong metal can re-bend back at times metal just will respond right where you want if you reverse the way and force that bent it in the first place.
You should know you need hold-down spring tool and return spring pliers to just get shoes out of the way. Don't mess with any adjusters inside now.
If this can work it's off to a great chance of working just fine with the least compounding of things to add to just this.
Try that if any problems stop where you can put it back. If springs are giving you fits where they go take a good pic or if all lost it should be "asymmetrically" opposite to the other side. Springs are color codes almost always.


Just if hold-down springs use like a nail and flattened head you turn it must be on the solid detent not how it comes off. If clips back the same way they came off. If no good for re-use check if available local to you at place of your choice.


Some handy thoughts with this type stuff. Layout parts off in order taken off even pointing properly in tray or box save time just put back reversing order.


Report back on how that went I'll try to follow this as fast as I can for ideas if in a snag,


Tom







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