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Im not quite sure about the symptoms but im pretty sure you will start to feel your car get real slugish at take off. If you got about 400 bills to spend look up protorque.com They dont adverise it but they sell a converter for our cars that I heard is one of the best mods for an auto. Supposed to really make the car take off.
 

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most likely a fluid problem...


it will basically be like u engine is running to the normal revs u do, but like the car aint movin like it used to .....


u can tell when u drive its like the engine screaming but the g/b aint pullin...


u kno when u mash it when u're car is fine, there is a small delay then a (small) kick then u zoom off, that will be delayed and shit - car wont go like it used to...


but this is a difficult problem to accurately diagnose, cos it could also be the pressure plate in u're clutch.... (these tend to go bad b4 TCs)


cheers
 

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yeah if it was the engine not getting enuff air, then it would seem like a weak car, but the response to the wheel should be fine ( quick take up ) but just weak if it were injector / intake problems...


just to check the engine, put it in neutral and give it a nice rev to see if its ok...

since it seems its your g/b, i'm sorry , you'll have to take it to a mechanic to have it sorted....

good news is it shouldnt take long at all the check out the clutch, it can be removed as a unit fairly easily / quickly.... i think its the pressure plate myself, clutchs tend to go on cars that have done say 140-150 tho kays, so thats like 100k miles + or 10 yo and beyond depends on how its driven....

if it is the TC, that could get costly since its harder to take out, i banking on the clutch which would be a good senario , they only cost like $500-600 Aud (inc labor) thats only like $250-300 USD ...

please keep me posted, and i hope i helped in anyway....

btw, if your mech says he can replace the pressure plate, refuse it, get the clutch replaced as a NEW unit and make sure its an OEM unit (daikin i believe make em for nissan altimas)


cheers

joe
 

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Discussion Starter · #7 ·
thanx for all the help. The car has 113,000 miles. I put it in neutral and gave it a rev, it seemed fine. When I accelerate, the car seems reluctant to rev until it gets up to around 4000rpms or so. I thought it was the intake at first, but there are no leaks in there. I know that the wai takes away some low end, but I dont think it takes away this much. I'll probably have someone check it out for me.
 

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no...


TC's are unique to auto tho...

the tc connects the engine to the auto box, but an auto box still has a clutch to connect gears

it is a very different clutch to a manuals tho, cos an auto has a eliptical sun/planet type gear train and manuals have a standard straight primary/secondary drive to gear train...


cheers
 

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could be either the TC or the clutch on the planetary gears really....


sounds expensive either way... :(

tho if its the TC it would be reluctant on every gear, but if its the clutch it could be specific to only one gear ( our boxes have 4 clutches )....

so if it is the clutch friction material then it should only really happen to one gear ... if its the TC its most apparent at first since u speeding up from zero kpm... it wont be as obvious in other gears as u already rollin'....


as i said its hard to say... only inspection will reveal the true problem....


hopefully its the TC, cos the clutches in an auto are much harder to take out and inspect.... not like a manual....

sorry i may have contradicted myself before.....

many clutches in auto - hard to take out - tc b/w engine and box (same as on a manual clutch position)....

cheers

joe
 
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