"THUD!": The Legend Of the 4R100 - Ford Powerstroke Diesel Forum

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post #1 of 12 Old 08-02-2008, 05:20 PM Thread Starter
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"THUD!": The Legend Of the 4R100

I've been reading a lot of other members having problems with their trannies shifting into OD. Here's what I've got: My trans. shifts fine through all gears until it hits OD. I get a pretty decent "thud" when it shifts into OD. @ 1st, I thought it was because the A/C was on. Then I noticed it with the A/C off. The only trans. mod I have is the Banks TransCommand. I have no flashing "OFF" light on the gear selector, & the tranny itself runs relatively cool, even on really hot days(150-180degrees). Am I running into choppy waters?

"HEAVY" 2001 F-250 XLT 4x4 EC SB:
TW 6pos chip, S&B CAI, Monster 4" exhaust w/ Power Elbow, Big Head WGA, Technicooler, ITP boost fooler, Gen 1 Wicked Wheel, Six-Gun Tuner, Optima Yellow Tops, AutoMeter(Boost, Trans, EGT), CCV mod, MTS TC, MTS valve body, Trans Tech performance rebuild kit, TransGo shift kit, Hornblasters 242 Shocker Train Horns.

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post #2 of 12 Old 08-16-2008, 04:59 PM
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Bump

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post #3 of 12 Old 08-17-2008, 09:54 AM Thread Starter
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Thank you Motown Fire. Here's another update: It only 'thuds' under normal acceleration. The times it's completely undetected is either going up a hill or when I'm standing on it.

"HEAVY" 2001 F-250 XLT 4x4 EC SB:
TW 6pos chip, S&B CAI, Monster 4" exhaust w/ Power Elbow, Big Head WGA, Technicooler, ITP boost fooler, Gen 1 Wicked Wheel, Six-Gun Tuner, Optima Yellow Tops, AutoMeter(Boost, Trans, EGT), CCV mod, MTS TC, MTS valve body, Trans Tech performance rebuild kit, TransGo shift kit, Hornblasters 242 Shocker Train Horns.

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post #4 of 12 Old 08-17-2008, 10:44 AM
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i hope its normal...mines been doing it for almost 40,ooo miles

past trucks...
72 F350 2wd 390/auto
85 C10 4x4 (first & last chevy)
86 F150 2wd 300/4 spd
75 F100 4x4 460/auto & 38" Hawgs
77 F250 highboy 4x4 400/4 speed
76 F350 4x4 390/4 speed 6" lift 38" Hawgs
89 Eddie Bauer Bronco
79 Bronco 460/auto 35" Swampers
93 Lightning with KB 2.2
01 supercrew 2wd 5.4 liter
01 F250 Platinum 7.3 diesel 6" icon 35" procomps
...and currently a 75 F100, waiting for a 6.0 heart
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post #5 of 12 Old 08-17-2008, 10:50 AM
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bts

call bts and ask brian or cale and they would help you.
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post #6 of 12 Old 08-17-2008, 10:54 AM
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Sounds like the converter is locking up really hard. See what happens without the trans command

Email: Dave@powerstroke.org
2011 F150 Ecoboost Crew cab lariat. Custom tunes from KEM and 5Star, and Unleashed
2012 F150 Crew Cab Ecoboost stock for now-Totaled March 12 2015
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post #7 of 12 Old 08-18-2008, 07:21 AM Thread Starter
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Quote:
Originally Posted by Dave View Post
Sounds like the converter is locking up really hard. See what happens without the trans command
That's exactly what my dad said. I'll have to look for a beefier converter. I had seen some BTS torque converters on the forum. I think I'm gonna start looking now! I actually tried disconnecting the TransCommand(the unit comes with a jumper harness). It still does it, of course, with the oh-so-fun stock shifts.

"HEAVY" 2001 F-250 XLT 4x4 EC SB:
TW 6pos chip, S&B CAI, Monster 4" exhaust w/ Power Elbow, Big Head WGA, Technicooler, ITP boost fooler, Gen 1 Wicked Wheel, Six-Gun Tuner, Optima Yellow Tops, AutoMeter(Boost, Trans, EGT), CCV mod, MTS TC, MTS valve body, Trans Tech performance rebuild kit, TransGo shift kit, Hornblasters 242 Shocker Train Horns.


Last edited by RadarRider; 08-18-2008 at 07:26 AM.
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post #8 of 12 Old 08-18-2008, 08:52 AM
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Is the 6 gun set to stock when you are doing this as well. That thing has alot to do with your trans problems

Email: Dave@powerstroke.org
2011 F150 Ecoboost Crew cab lariat. Custom tunes from KEM and 5Star, and Unleashed
2012 F150 Crew Cab Ecoboost stock for now-Totaled March 12 2015
2006 F250 ECSB Lariat 4x4

Leveling kit, 315/70/17 Kelly TSRs on Method race wheels
ARP studs and OEM gaskets done by Renegade Diesel
ECM and Atlas 40 FICM tuned by Bill at PHP SCT tunes by Truck Source Diesel. Gearhead, Innovative, Wildman and Tyrant diesel
Flowmaster/MBRP Hybrid Exhaust
Edge Insight CTS
Coolant filter
Bulletproof diesel FICM EGR Delete, Oil Cooler and Water Pump, and Light bar.
Dually LED lights from Stealth Automotive/Xpedition Outfitters
No Limit Fab 6.0 Cold Air Intake
http://www.bulletproofdiesel.com/default.asp
http://nolimitfabrication.com/
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post #9 of 12 Old 08-18-2008, 09:46 AM
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sounds to me like a hard tc lock up do to programing...



On vacation from a truck for a year or...
Looking at 6.4s Moving in a few months then hopefully buying my dream truck!!!

Driving an Audi till then...
but at work I drive
16 E-450s 7.3 powerstroke Ambulances
7 Duramaxes
1 GMC Kodiak Ambulance

NO CUMMINS.....
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post #10 of 12 Old 08-18-2008, 01:28 PM Thread Starter
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Quote:
Originally Posted by Dave View Post
Is the 6 gun set to stock when you are doing this as well. That thing has alot to do with your trans problems
My everyday driving is strictly done in L2 on the Six-Gun. When it comes to racing, I only use L6. I never use stock(L1) or any of the other settings between L2 & L6. To tell you the truth, the Six-Gun is going to become a pyrometer & nothing else after I get the TW chip:burnout!

"HEAVY" 2001 F-250 XLT 4x4 EC SB:
TW 6pos chip, S&B CAI, Monster 4" exhaust w/ Power Elbow, Big Head WGA, Technicooler, ITP boost fooler, Gen 1 Wicked Wheel, Six-Gun Tuner, Optima Yellow Tops, AutoMeter(Boost, Trans, EGT), CCV mod, MTS TC, MTS valve body, Trans Tech performance rebuild kit, TransGo shift kit, Hornblasters 242 Shocker Train Horns.

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