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Thread: Remote Parking Brake Release conversion for 2003 300B & 2004 300A

  1. #1
    Join Date
    Mar 2003
    Location
    Las Vegas, NV (Henderson)
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    Remote Parking Brake Release conversion for 2003 300B & 2004 300A

    Remote Parking Brake Release conversion for 2003 300B & 2004 300A
    Parts list:
    3W1Z-2780-AA Parking Brake Control Assembly, List $51.75 (You only need the vacuum cylinder and bushing-see photos)
    F5OZ-2B623-AA Shifter Switch Assembly, List $19.20 (This may already be on your shifter-see photos)
    1W3Z-2B653-AA Switch Assembly Vacuum Hose From Shifter to Brake Control, List $18.73
    1W7Z-19C827-AA Switch Assembly Vacuum Hose From Engine to Shifter & EATC, List $17.77 (optional, This requires a lot to put in, see narrative for choices)

    The best time to do this is when you also do the electric remote fuel door conversion as you have to take off the same parts to get to both.

    First a few things to check.

    Remove the driver’s side kick panel, and the black plastic cover that holds the interior light.
    Pull the cover off the console top per the shop manual. If you don’t have one, gently pry up on the console tray and door assembly. Then remove the center gauge pod by pulling slightly down and rear. Move this off to the driver’s side for clearance. It’s a tight fit, so take your time. Then lift up the console top from around the shifter. You should end up with what the shifter picture looks like. Look inside and see if you have a white plastic assembly on the passenger side of the shifter. It has two staggered vacuum ears pointing toward the front of the car. Look at the picture and you can just see it inside the console. It should be there as the shifter is serviced as an assembly for cars with and without the brake release. If it’s NOT there, you need to order the F5OZ part above.

    Next thing to check is your existing parking brake assembly. Look at the picture with the two fingers pointing out two brackets on the inboard side. I tried to take the picture to show what it would look like from the foot well. You should have the two brackets. If not, you have a lot of taking apart to get to the whole parking brake control out. It involves removing the PCM, wiring connecters, and the left side of the dash. It’s too involved to repeat here, so you need a shop manual for reference. You should be in luck, as the assembly should have the brackets.

    Last, look at the vacuum hose coming through the firewall just above and to the passenger side of the gas pedal. You will see a large black grommet with a small black hose and a larger white hose next to it. Your white hose should end a few inches inside the car from the grommet. I took a photo of the hose assembly removed to show what you should see. If this is here, there is a shortcut to the install you may want to use to save a lot of time and disassembly.

    Let’s get started.

    Run the two hose ends of the all black hose assembly into the driver’s side of the front of the console over to the passenger side of the shifter. It can just lay on top of or under the shifter cables. The plug end will only go on one way on the white plastic shifter switch nipples. After that you can reassemble the console. One end of the black hose should be just outside the driver’s front of the console. The other end has to be run up over to the brake assembly. In 300A’s it runs up behind the dash between the lighting control module (large black box behind dash in line with gas pedal) and the console. Looking up inside the dash from the foot well there is a large harness that runs across the top of the dash. The vacuum hose runs along this harness over to the outboard side of the dash. You should see a solid black cable that runs down that side too, this is the shifter cable. The vacuum hose has two clips that attach to the shifter cable, one on the inboard side near the LCM, and the other on the outboard side to the shifter cable near the driver’s side kick panel. If you have it run right, the rubber plug will be just above the forward (close to front of car) bracket of the parking brake control. Next, on the new brake control assembly, carefully lift the plastic retaining clip off the vacuum bellows. It’s a grey plastic 2" drum looking thing. Once you have that end off, lift it perpendicular to the brake control, and the front ear should come out of the other lever. There is a small white plastic grommet in this lever hole you need to transfer to the one in your car. Then install the bellows the same way it came off the other brake assembly. It should just snap into place on the bracket. Then plug the vacuum hose end on and your 90% done. You have to buy the whole brake assembly just to get the vacuum bellows and grommet as they are not serviced separate.

    Now you have a choice, if you are anal like me and want it to look like the factory did it (correctly), you have to remove the front center dash trim panel and EATC control head if you want to install the factory vacuum harness assembly. The trim panel has two screws holding it on from under the dash, so you have to remove the panel under the steering wheel and the glove box. The panel snaps out, and the EATC control comes off with four screws. You can lay it off to the side. Protect it with a shop towel. The shortcut is to just run a piece of 1/4" vacuum hose from the existing cut end coming out of the firewall to the black end that is next to the front driver’s side of the console. Then working under the hood, look at the center rear behind the engine. You will see a vacuum tree on the firewall. The very bottom nipple has a plug on it. Remove this plug. About an inch away to the driver’s side you will see the other end of the white tube, it has a yellow plug in the end. Remove the plug and plug the tube into the vacuum nipple and you’re done!

    You may find that the white hose is a few inches too short to reach the vacuum nipple. If that is true, you can slide more of the white hose through the grommet from the interior side to reach.
    Since the engine vacuum harness is only $20.00, you can order it and then cut off the inside portion of the white tube and connect it with a short piece of hose to the existing hose. This will save about an hour of extra work.

    If you don’t have that piece of white tubing already in the car, you have to change the entire hose assembly. It’s not that hard, but you have to remove the white rubber hose from the passenger side air door after the under dash trim panel is removed. Before you pull it out attach a piece of soft coat hanger to be able to pull the new one back through (it runs up and over top of the A/C ducting assembly behind the dash. The hose assembly has a big white junction block that hooks up to the end coming from the EATC control. The hoses are color coded. You can change them out by working through the EATC control opening. This is good task for Mrs. Wrench as small hands are a big plus. Follow the old way the hoses are routed and clipped in place. I would recommend that you just cut the new hose assembly and splice it to the existing one if you aren’t familiar with taking the dash apart, plus you run the risk of ending up with a dash rattle when you take these dashes apart.

    To test, apply the parking brake, start the engine and shift into drive. It should release in about a second or less. If you have to go into second gear to make it release, the shifter switch has to be adjusted. This is done by loosening the two screws on the switch and moving it until the brake releases in D. You shouldn’t have to do this as the vacuum switch is usually adjusted when the shifter is manufactured as they don’t know what car it is going to end up in.

    Good luck, and as always, E-mail any questions.
    I have this in WordPerfect too if anyone needs it E-mailed to them.

  2. #2
    Join Date
    Aug 2003
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    Caledon East, Ontario
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    vegas, left field question alert--

    Has this anything to do with the parking brake releasing when you put the shifter in a forward gear?

  3. #3
    Join Date
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    Doin time in the Universal mind
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    I saw your pics...very nice. You seem to be quite handy Alot of folks have asked about these re-contenting issues. It seems you have solved the problem. Bravo!
    2017 Niro

  4. #4
    Join Date
    Dec 2002
    Location
    Long Island, NY
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    vagesmarauder - Excellent work, nice job.
    2003 Marauder 300B,
    6468 out of 7839 - Thanks Brian
    Heated Seats
    35% Tint
    Mercury All Weather Mats
    Trunk Organizer - Thanks MartyO
    Sold 4/3/2009 Now resides in AL.
    1961 Pontiac Bonneville Convertible
    1973 Oldsmobile Toronado
    2012 Kia Sedona Van
    2008 Corvette Convertible
    2003 Marauder 300 A Thanks Larry O 6/14/17
    2021 Prius Prime Limited
    2023 Chevrolet Silverado High Country
    Member # 440
    ----- John

  5. #5
    Join Date
    Mar 2003
    Location
    Las Vegas, NV (Henderson)
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    877
    Thanks all, MapleLeafMerc, yup, that's what I was talking about. I felt left out when gassing up Susan's 300A.....
    His: Blue w/Light Flint Born 02/05/03 (Wednesday)
    6674 of 7838, Color sequence 102 of 327

    1 of 111 Without Heated Seats
    6 CD Changer in Trunk
    Locking Lugs
    Trunk Organizer
    Real Oil Press Guage w/MM Face
    Marauder Side Emblems
    Rear Bumper Inserts

    Nephews: Blue w/Light Flint
    Born 02/05/03
    6673 of 7838, 101 of 327 Blues 1 of 111 Without Heated Seats
    Cars purchased 7 years apart, but are only 20 VIN numbers apart. Sequential units on the assembly line.


    Hers: Black 300A w/Charcoal Born 06/25/02 (Tuesday)
    2011 of 7838
    .
    Locking Lugs
    Trunk Organizer
    Real Oil Press Guage w/MM Face
    Factory Alarm
    Marauder Side Emblems
    Rear Bumper Inserts

    #4 (Pound Rescue Marauder) 2003 DBP/Light Flint
    120 of 328 DBP 1 of 217 with heated seats.
    6705 of 7838 2003's
    Built Friday 02-07-2003
    Bought 09-10-2012

    #5 2003 DBP/Light Flint
    136 of 327 Blues 1 of 111 W/O Heated Seats
    6741 of 7838 2003's
    Built Tuesday 02-11-2003
    Bought 05-06-14

  6. #6
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    Quite an impressive job, vegas!

    Have you ever felt left out by the unlit console lights too?!!!

  7. #7
    Join Date
    May 2003
    Location
    Edmonton, Alberta
    Posts
    3,074
    Originally posted by MapleLeafMerc

    Have you ever felt left out by the unlit console lights too?!!!
    Wasn't that a song by Meatloaf?
    2003 Marauder 300eh - Stock

    Born: 12/03/2002
    Adopted 02/17/2003

    Trilogy #243

    AVIC D3
    SS Inserts.
    Metco Control arms and Watts link.
    QA1 8 way adjustable shocks and struts.
    Addco front and rear anti-roll bars.
    Wilwood front brakes.

    I can't drive 55. I'm looking forward to not being able to drive 75 ether.

  8. #8
    Join Date
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    Caledon East, Ontario
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    Originally posted by Dr Caleb
    Wasn't that a song by Meatloaf?

  9. #9
    Join Date
    Nov 2003
    Location
    Northern California
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    36
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    3,347
    Little lost...is this so the parking brake doesn't disengage when the car is between D and 1?
    2007 Honda Accord V6. Fit for a father of two. 5% tint all around.

  10. #10
    Join Date
    Dec 2002
    Location
    Long Island, NY
    Posts
    9,769
    Originally posted by woaface
    Little lost...is this so the parking brake doesn't disengage when the car is between D and 1?
    FMC decontented that feature on most of the 2003 MM's 300B model.
    2003 Marauder 300B,
    6468 out of 7839 - Thanks Brian
    Heated Seats
    35% Tint
    Mercury All Weather Mats
    Trunk Organizer - Thanks MartyO
    Sold 4/3/2009 Now resides in AL.
    1961 Pontiac Bonneville Convertible
    1973 Oldsmobile Toronado
    2012 Kia Sedona Van
    2008 Corvette Convertible
    2003 Marauder 300 A Thanks Larry O 6/14/17
    2021 Prius Prime Limited
    2023 Chevrolet Silverado High Country
    Member # 440
    ----- John

  11. #11
    Join Date
    Dec 2002
    Location
    Long Island, NY
    Posts
    9,769
    vagesmarauder - You did a fantastic job. Do you ever come to NY? Could use some help doing the same. He He.
    2003 Marauder 300B,
    6468 out of 7839 - Thanks Brian
    Heated Seats
    35% Tint
    Mercury All Weather Mats
    Trunk Organizer - Thanks MartyO
    Sold 4/3/2009 Now resides in AL.
    1961 Pontiac Bonneville Convertible
    1973 Oldsmobile Toronado
    2012 Kia Sedona Van
    2008 Corvette Convertible
    2003 Marauder 300 A Thanks Larry O 6/14/17
    2021 Prius Prime Limited
    2023 Chevrolet Silverado High Country
    Member # 440
    ----- John

  12. #12
    Join Date
    Nov 2003
    Location
    Northern California
    Age
    36
    Posts
    3,347
    Originally posted by jgc61sr2002
    FMC decontented that feature on most of the 2003 MM's 300B model.
    Gotcha...so mine pops up everytime I put it past Netural.

    So, then what's the modification do? Looks like fun.
    2007 Honda Accord V6. Fit for a father of two. 5% tint all around.

  13. #13
    Join Date
    Mar 2003
    Location
    Las Vegas, NV (Henderson)
    Posts
    877
    If your E/brake pops off when going from N to D then you already have it. I have a roof console coming so I can take a look at the switches and see what happens.....
    His: Blue w/Light Flint Born 02/05/03 (Wednesday)
    6674 of 7838, Color sequence 102 of 327

    1 of 111 Without Heated Seats
    6 CD Changer in Trunk
    Locking Lugs
    Trunk Organizer
    Real Oil Press Guage w/MM Face
    Marauder Side Emblems
    Rear Bumper Inserts

    Nephews: Blue w/Light Flint
    Born 02/05/03
    6673 of 7838, 101 of 327 Blues 1 of 111 Without Heated Seats
    Cars purchased 7 years apart, but are only 20 VIN numbers apart. Sequential units on the assembly line.


    Hers: Black 300A w/Charcoal Born 06/25/02 (Tuesday)
    2011 of 7838
    .
    Locking Lugs
    Trunk Organizer
    Real Oil Press Guage w/MM Face
    Factory Alarm
    Marauder Side Emblems
    Rear Bumper Inserts

    #4 (Pound Rescue Marauder) 2003 DBP/Light Flint
    120 of 328 DBP 1 of 217 with heated seats.
    6705 of 7838 2003's
    Built Friday 02-07-2003
    Bought 09-10-2012

    #5 2003 DBP/Light Flint
    136 of 327 Blues 1 of 111 W/O Heated Seats
    6741 of 7838 2003's
    Built Tuesday 02-11-2003
    Bought 05-06-14

  14. #14
    TripleTransAm Guest
    Does this guy rock or what?

  15. #15
    Join Date
    Nov 2002
    Location
    Off-Shore America
    Posts
    10,219
    Got the feeling there's going to be a wole lot of modding going on at our '04 National Roundup.

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