1990 Toyota Celica Gear Grind

TOYOTA CELICA
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FEM_FATAL
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I have toyota celica 1990 gt,manual, 220 k on it. The problem that I have is while shifting the gears, transmission grinds. Not every time, but only on the higher rpms(over 3000) and only second and third gear. Mechanic changed the oil and it was noticably beter for the next week or so and then it started again. The cluth is new so what could be the problem? Car is in overall excellent condition, one owner beside me but tranny has been rebuilt. PLS HELP
Apr 18, 2006 at 3:28 AM
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LOSONE
  • ✓Experienced Mechanic
  • 1,616 POSTS
That year had both a cable and some had a hydraulic clutch system. Check your clutch free play. It should move about 1/2 inch before contacting. If it is hydraulic pump the clutch pedal befroe shifting and see if it gets better. If so then it if the hydraulic system. If all fails then you have an internal trannny problem.
Apr 18, 2006 at 9:00 AM
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FEM_FATAL
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[quote:7816028cf7="losone"]That year had both a cable and some had a hydraulic clutch system. Check your clutch free play. It should move about 1/2 inch before contacting. If it is hydraulic pump the clutch pedal befroe shifting and see if it gets better. If so then it if the hydraulic system. If all fails then you have an internal trannny problem.[/quote:7816028cf7]

[color=red:7816028cf7][/color:7816028cf7]Hi! My clutch has cable system and the freeplay seems to be fine but the thing is that while realeasing the cluth it catches all the way up but to switch the gear it has to be pressed all the way to the bottom. Does it matter or is that fine?
Apr 22, 2006 at 3:43 AM
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LOSONE
  • ✓Experienced Mechanic
  • 1,616 POSTS
If you can deal with do so. The high release and low engage of a clutch indicates wear on both the disc and clutch cover. It is only a matter of time.
Apr 22, 2006 at 11:26 AM
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Suggested Repair

Confirm about 1/2 inch of clutch free play. A high release point and the need to press the pedal fully to shift indicate wear of the clutch disc and clutch cover, so plan to replace them. If adjustment and clutch replacement do not stop the grinding, inspect the transmission internally.

Conversation Summary

A 1990 Toyota Celica GT manual grinds in second and third only above about 3000 RPM. A fluid change helped briefly, and the clutch was described as new with a previously rebuilt transmission. The expert advised checking clutch free play and, on a hydraulic system, pumping the pedal; otherwise an internal transmission fault was possible. The owner reported a cable clutch with acceptable free play, but engagement only near the top of pedal travel and the need to fully depress the pedal to shift. The expert said that pattern indicates wear of the clutch disc and cover and will worsen over time.

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