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post #1 of 6 (permalink) Old 03-29-2018, 07:16 AM Thread Starter
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Question trans problem clicking clunking noise

So my trans has a clicking/clunking problem during acceleration. Would this be the MLPS? Thanks.

1997 Ford Thunderbird LX 4.6L (WT): Removed Air Silencer. PBR Brake Upgrade. J-MOD. Silverstar Headlights. Vogtland Springs 1.6". Front Sport Shocks/ Back KYB's. PI Cams. Xcal2 by Lonnie.
1991 Mercury Cougar LS 3.8L: SOLD
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post #2 of 6 (permalink) Old 03-29-2018, 10:15 AM
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I would rule out the trans mount first then dig deeper.

96 Thunderbird LX 3.8L
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post #3 of 6 (permalink) Old 03-29-2018, 10:35 AM Thread Starter
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Transmission mount was replaced not too long ago and engine mounts.

1997 Ford Thunderbird LX 4.6L (WT): Removed Air Silencer. PBR Brake Upgrade. J-MOD. Silverstar Headlights. Vogtland Springs 1.6". Front Sport Shocks/ Back KYB's. PI Cams. Xcal2 by Lonnie.
1991 Mercury Cougar LS 3.8L: SOLD
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post #4 of 6 (permalink) Old 03-29-2018, 12:55 PM
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I don't want to lead you on a wild goose chase here, but you need to be sure.

I made the mistake once of torquing my old trans mount (after a clutch change) without cleaning the threads first. The torque wrench clicked, but the car made a clunking noise afterward because the dirty threads had tightened up before the bolts had a chance to fully seat.

1996 Thunderbird LX (4.6), previous daily driver

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post #5 of 6 (permalink) Old 03-29-2018, 01:46 PM Thread Starter
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Thanks. Turns out the clicking was the spark plugs misfiring causing the clicking and thumping. The trans still shudders a tiny bit but not nearly as much as before. The bad news is my valve cover and intake manifold gaskets are both leaking on the driver side and had a bit in the spark plug holes so I will have to fix those also.

1997 Ford Thunderbird LX 4.6L (WT): Removed Air Silencer. PBR Brake Upgrade. J-MOD. Silverstar Headlights. Vogtland Springs 1.6". Front Sport Shocks/ Back KYB's. PI Cams. Xcal2 by Lonnie.
1991 Mercury Cougar LS 3.8L: SOLD
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post #6 of 6 (permalink) Old 03-29-2018, 02:55 PM
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Quote:
Originally Posted by 91CougarLS View Post
Thanks. Turns out the clicking was the spark plugs misfiring causing the clicking and thumping. The trans still shudders a tiny bit but not nearly as much as before. The bad news is my valve cover and intake manifold gaskets are both leaking on the driver side and had a bit in the spark plug holes so I will have to fix those also.
All of those are normal problems, at this point.

Time for a PI intake!

Red '96 Cougar XR-7 240k mi. '02 4R70W, PST DS : '03 PI engine, 04 maf, 24lb injectors, 2.5" exhaust, '02 4r70w + Jmod, DirtyD0g TC + cooler + 3/8" lines, 255 walbro fp. Alpine system.
Black '96 Cougar XR-7 (Lazarus) 210k mi PI Intake, '02 4R70W, Jmod, PST DS, GrogTune, Konis, Mark LCA+Poly, racecougar Custom Engine Chain, and JL and racecougar Bracing.
Black '97 Tbird Limited Edition, '02 4R70W, 255 walbro, PST DS, PBR Brakes&SS lines, Toicko Blues & Springs, GrogTune.


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