Question about Denso 1988 - 1994 Chevrolet S10 Blazer A/C Accumulator 478-3003 Chev

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Nv3500 Trans. hard to shift when warm has new clutch + oil is good

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What causes hard sticky shifting on 5-speed manual transmission. The manual transmission was almost 1/2 quart low when I changed the gear oil.


If the shift lever is what is hard & sticky, get some grease & lube the handle at the joint at the trans. ( Maint. anyway) . The right gear oil? Was it doing it before the oil chg ? How's the clutch feel? Clutch, Pressure plate & throw out bearing poss. Smell any burning smells? One step at a time. Good luck

Nov 19, 2015 | 1994 Geo Metro

1 Answer

Code717


You need to have the trans ECU reset back into its adaptive learning mode. The new trans is shifting harder because the trans ECU still thinks the old one is in the car. The ECU learns your driving habits and compensates clutch wear to provide a smooth consistent shift. Your old trans had a lot of clutch wear so to keep the shift quality it allowed more pressure to the clutch packs. So you now have a trans with less wear on it and the shifts are hard. This is something that removing battery power wont reset. It has to be done with a diagnostic tester. Some trans controllers will begin to compensate on their own over a period of time but I don't yours is one of them.

Apr 04, 2014 | 2000 Saturn SL

1 Answer

Nissan 350z clutch problems


The oil in the box is thinning as the box gets warm, Check grade of oil in gearbox, change oil for a lighter viscosity. It's somewhere to start.

Dec 30, 2013 | Cars & Trucks

3 Answers

On 1991 stealth r/t 5 speed manual , yesterday shifted fine, have had issue with 2nd gear, ( a little hard to hit sometimes ) , But other than that shifted smoothly. Today all gears very hard to shift to,...


ok starting where you did... on the side of the transmission itself there will be a 1/2 inch socketed plug that can be undone to add gear oil there will be another on the bottom that can be used to drain the oil. for clutch master, standard brake fluid can be used and is recommended. the causes is most likely low fluid or worn out syncros in the tranny.. check the level of fluid in the clutch system and fill and bleed system at the slave cylinder. after that check fluid in the tranny. if all there is fine then i would recommend bringing it to a trans shop for diagnosis. if the syncros are going out then you will be looking to spend between 750 and 1500 to have it rebuilt or 2000+ for a new trans

Aug 20, 2010 | 1991 Dodge Stealth

1 Answer

1966 Falcon with C4 Transmission I changed out fluid and filter


Generally, what causes C-4's and C-6's to be slugish going into gear, is the seals on the servo pistons are getting hard. The servo pistons are what apply pressure on the clutch packs, when the seals get hard the oil can blow past the piston and the clutch won't engage. It's worse when the the trany is cold and usualy gets better as the oil gets warm. You could try some transmission conditioner, the cheep stuff works as good as the high dollar stuff. Don't rev the engine to try to get it to go into gear, the clutch is trying to engage and you will burn the clutch up pack. If the clutches were replaced 3k miles ago why didn't they put seals in it at the same time?

Nov 24, 2009 | 1966 Ford Mustang

1 Answer

NV3500 Problems shifting. 1998 s10.


It sounds as though either the throw out bearing or pressure plate are bad. The grinding makes me want to lean towards the pressure plate.

Nov 10, 2009 | 1998 Chevrolet S-10 Pickup

3 Answers

TRANS LIGHT ON, ENGINE LIGHT ON SHIFTS IN HARD


Most probably the clutch plates are worn out and needs replacement. Remember to change the engine oil and gear-box oil too....................sodeep

Sep 24, 2009 | 1994 Jaguar XJ6

1 Answer

Very hard shifting and clunking into gear


hi mate try not to use fully synthetic oil use semi synthetic and if its clutch slipping you will tell because when you put it in 1st gear it will jump forward or move a little bit but if not then your clutch is perfect also check chain tension if to tight will cause clunking good luck buddy :)

Aug 08, 2009 | 2004 Suzuki GSX-R 600

1 Answer

92 Honda Accord, 5 speed, hard shifting into first & second gear.


First thing to do,try to pump your clutch before you shift into 1st gear then if you feel makes better, most probably you have problem with your hydraulic clutch system, check the clutch line if there is an evidence of fluid leaking or it could be internal leak.

Second thing to do, check your transmission oil, may be it' s too old or you use a thick oil thats why when cold its hard to shift then when the engine rich the normal temperature(warm) the oil become thin and the shifting will smooth. Remember the very old oil become thicken and the purity is gone and can cause of hard shifting. in this regards i suggest you to change the transmission oil and check the used oil if there is small peace of metals, then you are in big trouble,

Mar 08, 2009 | 1994 Honda Accord

1 Answer

Hard Shift


Was the flywheel turned or surfaced? I would have to say the if it was than you need to shim the flywheel out to get it back to specs.

Jan 03, 2009 | 1994 Chevrolet S-10 Blazer

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