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Just wondering what causes a tranny to be shifting while driving at a steady speed...I heard a while back it could be a selenoid. Is this the same reason why some autos won't shift into higher gears, kinda like won't go into 3rd or 4th??
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1999 Pewter Camaro M5<br />Y87 Performance Package, Sport Appearance Package, Diamond Clears<br />Factory SS Hood, Free Ram Air Mod, Whisper Lid w/ K&N Air Filter<br />CarSound Cat 94009, B&B Tri-Flo w/ Quad Tips<br />BMR SFC, BMR STB, KVR Blank Rotors, Hawk HPS Pads<br />Black Painted Calipers w/ CAMARO Decal, 245/50 Dunlop SP Sport 5000<br />20% Rear 35% Side Tint, Red Reflective Inlays, Invincishield<br /><b>Young girls avert their eyes, weak men tremble, Ford dealers faint.</b> -
On the newer cars they are eletronicly controled with the ECU and selonoild.
Older cars have mechancal / hydraulicly controled with valves, modulators and hydraulic servos controled by engine vaccume and or throttle cable linkage and pump presssures.\'85 Z28, T-tops new LG4 and TH700<br />\'85 3.4L 5-speed<br />mods: <a href=\"http://www.cardomain.com/id/oil_pan_4\" target=\"_blank\">http://www.cardomain.com/id/oil_pan_4</a> the nitrous exhaust O2 safety, pg 3. <br />Areo space materal engineer wantabe -
you might be fooled by torque convertor lockup. with the newer 4l60e's i seem to get a torque seeking behavior at particular speeds/loads. the pcm will lockup the convertor, change its mind and unlock. it will then just do this repeatedly. dont drive at that speed. speed up or slow down.
of course the lockup for the t/c could just be slipping as well.
[ January 30, 2004: Message edited by: chas ]</p>Comment
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