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Grinding noise when shifting into 2nd #4116554 06/06/16 09:09 AM
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FordCapriDriver Offline OP
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It's been doing this for a long time now, it only happens when shifting into 2nd or downshifting from 3rd into 2nd, it doesn't happen with any other gear and otherwise it shifts okay.
when driving slowly it doesn't make any noises.
This is a sealed gearbox with no dipstick so i can't know how much fluid is in it.
I've been playing with the clutch cable so could it be that? is the clutch on it's way out?


1975 Ford Capri II Ghia 3000 V6 - Repsol Elite Super 20W-50
1988 Ford Escort XR3i Cabrio - Shell Rimula R4X 15W-40 HDEO

Re: Grinding noise when shifting into 2nd [Re: FordCapriDriver] #4116557 06/06/16 09:15 AM
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Miller88 Offline
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I think it may be time for a new car. You really have a lot of problems with this car.

It sounds like it is a synchronizer that is wearing out.


18 Forester 2.5I 6M
00 Jeep XJ
01 F-350 4x4 5M
Re: Grinding noise when shifting into 2nd [Re: FordCapriDriver] #4116565 06/06/16 09:18 AM
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FordCapriDriver Offline OP
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No that is not an option you would have to give me some serious drugs to do that.
Yeah the synchronizer is what most people say.i'll change the fluid for now, and pray lol
i can get a recon 5 speed gearbox for around 1200 Euro


1975 Ford Capri II Ghia 3000 V6 - Repsol Elite Super 20W-50
1988 Ford Escort XR3i Cabrio - Shell Rimula R4X 15W-40 HDEO

Re: Grinding noise when shifting into 2nd [Re: FordCapriDriver] #4116569 06/06/16 09:22 AM
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Ethan1 Offline
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Synchro. Does it help if you take a long time to shift?

Re: Grinding noise when shifting into 2nd [Re: FordCapriDriver] #4116575 06/06/16 09:24 AM
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FordCapriDriver Offline OP
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Yes it kind of helps, as i said when driving really slowly it doesn't happen.
I've thankfully found a company that sells the synchros for these and a good gearbox repair shop.
I'll have to start counting pennies! should i bother having the fluid changed if that helps?


1975 Ford Capri II Ghia 3000 V6 - Repsol Elite Super 20W-50
1988 Ford Escort XR3i Cabrio - Shell Rimula R4X 15W-40 HDEO

Re: Grinding noise when shifting into 2nd [Re: FordCapriDriver] #4116582 06/06/16 09:30 AM
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4wheeldog Offline
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I would try changing the fluid before I took the thing apart.

If it doesn't have a drain and fill plug, there still has to be a way to service it.

If you want to do the cheap fluid thing, just make sure you use GL4 rather than GL5. If you want to go premium, put in Redline MT90. I have fixed several 2nd gear crunches using this fluid.

Last edited by 4wheeldog; 06/06/16 09:30 AM.
Re: Grinding noise when shifting into 2nd [Re: FordCapriDriver] #4116584 06/06/16 09:32 AM
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FordCapriDriver Offline OP
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Really can't find any Redline suppliers here in Europe.
I think i will use Castrol Syntrax? 75w90 or whatever GL4 fluid i can find


1975 Ford Capri II Ghia 3000 V6 - Repsol Elite Super 20W-50
1988 Ford Escort XR3i Cabrio - Shell Rimula R4X 15W-40 HDEO

Re: Grinding noise when shifting into 2nd [Re: FordCapriDriver] #4116586 06/06/16 09:34 AM
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Yup, Redline MT (whatever version needed) IS the tranny fluid of choice sticks. It is kinda amazing what it'll do smile


Formerly in marine engineering. In an earlier life I owned my own petroleum tank truck, and hauled for the majors and independent's.
Re: Grinding noise when shifting into 2nd [Re: BrocLuno] #4116592 06/06/16 09:38 AM
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Besides a fluid change, make it a habit of rev matching and double clutching when going down into 2nd gear. And it wouldn't hurt to do that on the up-shift to 2nd either. That will put the least amount of wear and tear on your 2nd gear synchros. I'd also choose the fluid that is exactly specced for your transmisison - as the friction modifiers for synchronization are more important at this point than anything for gear/bearing wear.

Besides a clutch adjustment, also look at the shape of your clutch hydraulics. Bleed if it's easy to get to. You can always follow the simple "Ranger method" to freshen up the clutch fluid. Dark clutch fluid (full of clutch dust) can make shifting a lot harder.


----------------

2001 Lincoln Cont 4.6L DOHC/ 50K mi / QS HM 5w30 / FUG XG2
1999 Camaro SS M6 /19K /Mobil 1 0w40 /Fram UG /GM MTL-ATF
1969 Ply GTX/RRs
Re: Grinding noise when shifting into 2nd [Re: FordCapriDriver] #4116597 06/06/16 09:40 AM
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440Magnum Offline
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2nd gear synchronizer is almost always the first to go. Downshifting is particularly hard on the synchros as the synchro ring has to accelerate the rotational mass of the clutch disk. Rev-matching does nothing for the synchro, unfortunately. That requires double-clutching.


'66 Dodge Polara & '69 Dodge Coronet R/T both 440/727
'08 Ram 1500 4.7/545RFE
'12 Challenger SRT8 392/6-speed
'99 XJ 4x4 4.0/AX15, '14 WK2 4x4 3.6/8HP
Re: Grinding noise when shifting into 2nd [Re: FordCapriDriver] #4116599 06/06/16 09:40 AM
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FordCapriDriver Offline OP
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Well it specs SAE 90 oil but i'd have to order online, i guess it has to be done though.


1975 Ford Capri II Ghia 3000 V6 - Repsol Elite Super 20W-50
1988 Ford Escort XR3i Cabrio - Shell Rimula R4X 15W-40 HDEO

Re: Grinding noise when shifting into 2nd [Re: FordCapriDriver] #4116629 06/06/16 10:01 AM
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Originally Posted By: FordCapriDriver
Well it specs SAE 90 oil but i'd have to order online, i guess it has to be done though.


If that spec is from 40 years ago there is probably a better recommendation for today as others above have suggested. Your priority is to buy a fluid that is ideal for your synchronizers. You probably don't want to get a fluid that will tend to give you even firmer shifts.


----------------

2001 Lincoln Cont 4.6L DOHC/ 50K mi / QS HM 5w30 / FUG XG2
1999 Camaro SS M6 /19K /Mobil 1 0w40 /Fram UG /GM MTL-ATF
1969 Ply GTX/RRs
Re: Grinding noise when shifting into 2nd [Re: FordCapriDriver] #4116648 06/06/16 10:13 AM
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Originally Posted By: FordCapriDriver
Well it specs SAE 90 oil but i'd have to order online, i guess it has to be done though.


At this point I wouldn't worry about spec. You'll have to experiment with a number of different oils and weights to quiet it down. Start with cheap stuff first.

I have AutoZone 85w 140 in my super t10 now. It has a sloppy main bearing and sounds better with thicker stuff.

Re: Grinding noise when shifting into 2nd [Re: FordCapriDriver] #4116666 06/06/16 10:29 AM
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FordCapriDriver Offline OP
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Okay thanks for the suggestions
Ah the joys of classic car ownership haha


1975 Ford Capri II Ghia 3000 V6 - Repsol Elite Super 20W-50
1988 Ford Escort XR3i Cabrio - Shell Rimula R4X 15W-40 HDEO

Re: Grinding noise when shifting into 2nd [Re: FordCapriDriver] #4116690 06/06/16 10:48 AM
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Originally Posted By: FordCapriDriver
Well it specs SAE 90 oil but i'd have to order online, i guess it has to be done though.


SAE 90, but SAE 90 what?? GL-3? Gl-4? Unless it specifically says that GL-5 is OK, I would NOT USE almost any modern gear lube out there. They're virtually all GL-5 approved, and even if they say "meets or exceeds GL-3 and GL-4", the fact that they also meet GL-5 makes them deadly to many older manual transmission synchronizers.

Redline MT-90 is as good as you're going to get. GL-4, specifically designed to be kind to synchronizers.

Slightly less optimum but still recommended for a lot of manual transmissions that need a 90-weight (for the gears) and GL-3 (for the synchronizers) is an Xw40 engine oil, believe it or not. Same viscosity range as an 80w90 gear oil, but without the synchro-killing sulfurized EP additives that GL-4 and GL-5 90-weights have.


'66 Dodge Polara & '69 Dodge Coronet R/T both 440/727
'08 Ram 1500 4.7/545RFE
'12 Challenger SRT8 392/6-speed
'99 XJ 4x4 4.0/AX15, '14 WK2 4x4 3.6/8HP
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