t5 grinding in reverse

tayboo24 · May 30th, 2007, 11:31 PM

hey im new to this moddedmustang

site here really lovin it so far ... wondering what could be wrong with my car it is grinding real bad in reverse, and i have to back up real slow or it will pop out. jsut bought it with this problem, wondering if anyone out there has any ideas. thnx

neverfastenough1 · May 31st, 2007, 01:25 AM

I am pretty sure a lot of them have the grinding reverse. It is not synchronized. Are all of your other gears fine? Is your clutch engaging before it gets close to the floor. Try shifting to third before you put it into reverse. See if that helps any. Welcome to the site.

homebrewed · May 31st, 2007, 02:06 AM

Yeah, mine does that too. My neutral safety switch is disabled, so I go 5th to redo if I need to back up. Its not popping out of rewind like yours, but sometimes, on a downshift, 2nd won't fully engage. I have a brand new clutch in mine also. Thought that was the problem. It was grinding like that before, but that didn't fix it. Other than the occasional shearing, no problems outta the T-5

Mr_Evil · May 31st, 2007, 02:34 AM

Same here. I have to put it in another gear before putting it in reverse. And lightly feel reverse before I shove it in so it dont grind. Plus do the whole, disengage then reengage the clutch.

YNOT · May 31st, 2007, 04:02 AM

my research found go into 4th before reverse.

tording92lxnotch · May 31st, 2007, 03:32 PM

This is normal for a T5. It has no syncronizer for reverse so there is no way for the collar to syncronize to the gear speed before the teeth engage. This is what causes grinding. If you go to another forward gear first it helps that gear and collar to engage without the use of a syncronizer. I have never heard of one kick out of gear in reverse so that is possibly an issue but the grinding going into reverse is pretty common.

usmcsawgunner · May 31st, 2007, 03:58 PM

could it be the shifter forks mabe?

tording92lxnotch · May 31st, 2007, 04:10 PM

Could be I guess. I have heard that if you have a bad tranny mount it can cause the tranny to sag and put pressure on the input shaft. I have read that this pressure on the input shaft puts the tranny in a bind and can cause it to kick out of gear in certain gears. Don't know if this counts for reverse also but maybe take a look at your tranny mount.

Drick · May 31st, 2007, 06:09 PM

Ynot is right 4 then reverse thats the trick works in mine

ryans88gt · May 31st, 2007, 07:46 PM

He said it was grinding in reverse, not when he was shifting into gear. If that is the case, you likely have a bad reverse gear or idler gear. This would also explain the popping. Bent shifting forks could also cause this problem.

If it only grinds going into gear, then I agree with the above posts

Drick · May 31st, 2007, 08:04 PM

Im Pretty sure he ment grinding when putting it into gear because that is what happens the most

ryans88gt · May 31st, 2007, 08:23 PM

Originally Posted by 8t6gt

Im Pretty sure he ment grinding when putting it into gear because that is what happens the most

Ummm....OK...but that isn't what he wrote...he said it was popping out of gear while he was backing it up and that he had to back up really slowly...

Doesn't sound like that has anything to do with shifting to me...I don't usually shift repeatedly while I am backing up...maybe I'm doing it wrong.

Drick · May 31st, 2007, 08:33 PM

Yeah ok you caught me Ryan well I guess it could be the shift fork popping it out of gear

Heres a solution thats free hold it in reverse when your going backwards J/K LOL

ryans88gt · May 31st, 2007, 08:38 PM

I had a friend that once tried to do a reverse wheelie in a VW GTI by side stepping the clutch at redline, while his friend sat in the back seat and held the shifter in place with his feet Needless to say, the car never backed up under its own power again

Drick · May 31st, 2007, 08:43 PM

I would have paid to see that. That would have been some funny shit

homebrewed · June 1st, 2007, 02:54 AM

Originally Posted by 8t6gt

I would have paid to see that. That would have been some funny shit

Me too

.... I agree totally^^^^^^^^^^^^^^^

neverfastenough1 · June 1st, 2007, 08:25 AM

Originally Posted by homebrewed

Originally Posted by 8t6gt

I would have paid to see that. That would have been some funny shit

Me too .... I agree totally^^^^^^^^^^^^^^^

That is not funny. That was foolish and immature. It could have gotten someone seriously injured on top of causing the damage to the vehicle that it did. Yeah, I guess I would have paid to see it too!

Carnage is cool. Sorry, didn't see the part where he said it was popping out of gear. Could be a fork. Stop driving backwards.

tording92lxnotch · June 1st, 2007, 06:14 PM

He said its doing two things. it is popping out of gear and grinding in reverse. I don't know how a manual transmission can grind if its already in gear so I would assume he means it grinds while he is shifting into reverse. Two issues. The popping out could be the fork yes.

ryans88gt · June 4th, 2007, 12:18 AM

Originally Posted by tording92lxnotch

He said its doing two things. it is popping out of gear and grinding in reverse. I don't know how a manual transmission can grind if its already in gear so I would assume he means it grinds while he is shifting into reverse. Two issues. The popping out could be the fork yes.

OH yeah a manual can grind while in gear...especially if the forks are bent.

Two gears trying to engage at the same time means a big grinding noise

Blown5.0 · June 4th, 2007, 12:20 AM

Its no big thing man, I have a 9'' rear end with 373 spyder gears and a posi, I grind in reverse almost 60% of the time i put it in reservse.

May 30th, 2007, 11:31 PM	#1
tayboo24 Enthusiast 91 Talon TSi dunno? Join Date: May 2007 Location: Edmonton, AB Posts: 593 iTrader: 0 reviews	t5 grinding in reverse hey im new to this moddedmustang site here really lovin it so far ... wondering what could be wrong with my car it is grinding real bad in reverse, and i have to back up real slow or it will pop out. jsut bought it with this problem, wondering if anyone out there has any ideas. thnx

May 31st, 2007, 01:25 AM	#2
neverfastenough1 Hardcore Enthusiast 2002 Mustang GT Join Date: May 2007 Location: Savannah, Ga Posts: 2,789 iTrader: 3 reviews	I am pretty sure a lot of them have the grinding reverse. It is not synchronized. Are all of your other gears fine? Is your clutch engaging before it gets close to the floor. Try shifting to third before you put it into reverse. See if that helps any. Welcome to the site. __________________

May 31st, 2007, 02:34 AM	#4
Mr_Evil Regular Join Date: Nov 2006 Posts: 132 iTrader: 0 reviews	Same here. I have to put it in another gear before putting it in reverse. And lightly feel reverse before I shove it in so it dont grind. Plus do the whole, disengage then reengage the clutch. __________________

May 31st, 2007, 03:32 PM	#6
tording92lxnotch Regular Join Date: Apr 2007 Posts: 165 iTrader: 0 reviews	This is normal for a T5. It has no syncronizer for reverse so there is no way for the collar to syncronize to the gear speed before the teeth engage. This is what causes grinding. If you go to another forward gear first it helps that gear and collar to engage without the use of a syncronizer. I have never heard of one kick out of gear in reverse so that is possibly an issue but the grinding going into reverse is pretty common. __________________ 92 notch--Shorty headers--Pro 5.0--3G alt--U/D pullies--A/C delete--190 LPH Walbro FP--Compucar N2O kit--FMS alum D/S--Taurus fan--Weld Draglites--Mallory 685 ign Box--dccontrol fan controller 13.0 - 108 mph - 1.9 60' - 90 shot N2O and 175k on the clock

May 31st, 2007, 04:10 PM	#8
tording92lxnotch Regular Join Date: Apr 2007 Posts: 165 iTrader: 0 reviews	Could be I guess. I have heard that if you have a bad tranny mount it can cause the tranny to sag and put pressure on the input shaft. I have read that this pressure on the input shaft puts the tranny in a bind and can cause it to kick out of gear in certain gears. Don't know if this counts for reverse also but maybe take a look at your tranny mount. __________________ 92 notch--Shorty headers--Pro 5.0--3G alt--U/D pullies--A/C delete--190 LPH Walbro FP--Compucar N2O kit--FMS alum D/S--Taurus fan--Weld Draglites--Mallory 685 ign Box--dccontrol fan controller 13.0 - 108 mph - 1.9 60' - 90 shot N2O and 175k on the clock

May 31st, 2007, 04:02 AM	#5
YNOT Regular 1989 GT Hatch Join Date: Mar 2007 Posts: 227 iTrader: 0 reviews	my research found go into 4th before reverse.

May 31st, 2007, 03:58 PM	#7
usmcsawgunner Regular 1993 Mustang GT 13.2 @98.54 Join Date: Apr 2007 Location: Kaneohe Bay, Hawaii Posts: 433 iTrader: 0 reviews	could it be the shifter forks mabe?

May 31st, 2007, 06:09 PM	#9
Drick Big timin' in a small town 2004 FX4 F150, 86 GT Join Date: Apr 2007 Location: Gods country. Nordern Michigan eh Posts: 14,336 iTrader: 1 reviews	Ynot is right 4 then reverse thats the trick works in mine __________________ FX4 Crew Crew member #1 Don't take anything I say to heart, I don't try to come off as an asshole. It just happens

May 31st, 2007, 07:46 PM	#10
ryans88gt MM Fanatic Join Date: May 2007 Location: Bloomington, IL Posts: 4,737 iTrader: 0 reviews	He said it was grinding in reverse, not when he was shifting into gear. If that is the case, you likely have a bad reverse gear or idler gear. This would also explain the popping. Bent shifting forks could also cause this problem. If it only grinds going into gear, then I agree with the above posts __________________ 88 GT CHI headed 351w 10.8 @ 125 - still figuring it out. 03 Cobra 2.3 whipple 10.7 @ 129 - sold it 04 Mach 1 12.7 @ 109 mostly stock - sold it 89 LX procharged 302 515 hp 497 ftlbs 10.7 @130 mph - sold it

May 31st, 2007, 08:04 PM	#11
Drick Big timin' in a small town 2004 FX4 F150, 86 GT Join Date: Apr 2007 Location: Gods country. Nordern Michigan eh Posts: 14,336 iTrader: 1 reviews	Im Pretty sure he ment grinding when putting it into gear because that is what happens the most __________________ FX4 Crew Crew member #1 Don't take anything I say to heart, I don't try to come off as an asshole. It just happens

May 31st, 2007, 08:33 PM	#13
Drick Big timin' in a small town 2004 FX4 F150, 86 GT Join Date: Apr 2007 Location: Gods country. Nordern Michigan eh Posts: 14,336 iTrader: 1 reviews	Yeah ok you caught me Ryan well I guess it could be the shift fork popping it out of gear Heres a solution thats free hold it in reverse when your going backwards J/K LOL __________________ FX4 Crew Crew member #1 Don't take anything I say to heart, I don't try to come off as an asshole. It just happens

May 31st, 2007, 08:38 PM	#14
ryans88gt MM Fanatic Join Date: May 2007 Location: Bloomington, IL Posts: 4,737 iTrader: 0 reviews	I had a friend that once tried to do a reverse wheelie in a VW GTI by side stepping the clutch at redline, while his friend sat in the back seat and held the shifter in place with his feet Needless to say, the car never backed up under its own power again __________________ 88 GT CHI headed 351w 10.8 @ 125 - still figuring it out. 03 Cobra 2.3 whipple 10.7 @ 129 - sold it 04 Mach 1 12.7 @ 109 mostly stock - sold it 89 LX procharged 302 515 hp 497 ftlbs 10.7 @130 mph - sold it

May 31st, 2007, 08:43 PM	#15
Drick Big timin' in a small town 2004 FX4 F150, 86 GT Join Date: Apr 2007 Location: Gods country. Nordern Michigan eh Posts: 14,336 iTrader: 1 reviews	I would have paid to see that. That would have been some funny shit __________________ FX4 Crew Crew member #1 Don't take anything I say to heart, I don't try to come off as an asshole. It just happens

June 1st, 2007, 06:14 PM	#18
tording92lxnotch Regular Join Date: Apr 2007 Posts: 165 iTrader: 0 reviews	He said its doing two things. it is popping out of gear and grinding in reverse. I don't know how a manual transmission can grind if its already in gear so I would assume he means it grinds while he is shifting into reverse. Two issues. The popping out could be the fork yes. __________________ 92 notch--Shorty headers--Pro 5.0--3G alt--U/D pullies--A/C delete--190 LPH Walbro FP--Compucar N2O kit--FMS alum D/S--Taurus fan--Weld Draglites--Mallory 685 ign Box--dccontrol fan controller 13.0 - 108 mph - 1.9 60' - 90 shot N2O and 175k on the clock

June 4th, 2007, 12:20 AM	#20
Blown5.0 Newbie Join Date: May 2007 Location: Oregon Posts: 39 iTrader: 0 reviews	Its no big thing man, I have a 9'' rear end with 373 spyder gears and a posi, I grind in reverse almost 60% of the time i put it in reservse. __________________ 89 Mustang lx 5.0 11.5 Compression Edlebrock 150 dry kit 1.70 0-60ft 11.20 @124

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