SigEpCutlass Posted March 30, 2007 Author Report Share Posted March 30, 2007 it'd be about the cost of a rebuild. I don't want to say your pump is BAD. I was looking more towards maybe some air got into the system (small bubbles in the fluid) which would cause the pump to whine. A low fluid level would also do this. But without hearing it I can't tell what the ticking is. Best I could say is to start it up, warm up for a few minutes, drive it around for 10 mins or so, stop, keep it running in park, triple check the fluid level, and see if the sound generally dissipates as you use the car more. My GM tech manual has a noise diagnosis section I could look at tonight. If there is air in the system...how in the hell do I get it out? IIRC, one of the cutty's your family has got a tranny rebuild right? How much did that set you guys back? If it's going to be more than a grand, I may sell my car for parts.... I got forced into paying almost $800 for the freaking LIM job to get done when I was working 60 hrs a week and it was below f'ing zero outside in February. No way in hell I'm going to put $1,800+ dollars into it in a span of 2 months....GOD! I'll see if I can get my hands on Eileen's camera tonight when I get back to her place. Any other suggestions? Quote Link to comment Share on other sites More sharing options...
Crazy K Posted March 31, 2007 Report Share Posted March 31, 2007 give me your car? give it a decnet test run and report back! Quote Link to comment Share on other sites More sharing options...
GP1138 Posted March 31, 2007 Report Share Posted March 31, 2007 Is this "ticking" like a really fast clicking? Like it sounds like you put a card in a fan or something? Or is it a constant tick? My transmission in the '95 has done this funky really fast clicking/grinding since I got it, and I push it hard, and it's never failed me. Quote Link to comment Share on other sites More sharing options...
slick Posted April 1, 2007 Report Share Posted April 1, 2007 Stupid question, but the manual says to use a certain amount of fluid when doing a filter change. I've always had to add in more than what the manual says. Is there enough fluid in the tranny? Quote Link to comment Share on other sites More sharing options...
1990lumina Posted April 1, 2007 Report Share Posted April 1, 2007 This might be far fetched, but if that fluid leaked down onto the exhaust manifold, and got between the block and manifold, could it cause a leak? I don't know what type of material is used as a gasket on an exhaust manifold, but I do know transmission fluid can damage seals. OT, but hear me out. Some people use the "ATF trick" to get seized rotary engines to turn over again (carbon locked - piece of carbin falls off and is lodged between the end of the rotor and intake or exhaust ports in the rotor housing). The ATF trick involves pouring ATF down the intake, and some into the spark plug holes and letting it sit and soften the carbon deposits. It works, but the people that do this sometimes fine themselves rebuilding the motor soon after because the ATF eats away at the internal seals. Back ON Topic - could this happen to a regular exhaust manifold/engine block seal? I've heard an exhaust leak, and it can make a ticking sound like what you are describing. I don't know why it would only do that in drive (forward gears) though. Motor is slightly shifted one way and it causes the seal to leak maybe, I'm not sure. I'm uncle's old old Suburban has an exhaust leak, but you can only hear it under hard acceleration. If you really romp on the gas in Park, does it tick or not?? Anyway I could be totally out ot lunch on this..does it even seem possible? Quote Link to comment Share on other sites More sharing options...
Brian P Posted April 1, 2007 Report Share Posted April 1, 2007 I looked around in the book, and had nothing for a clicking sound, only a whine. Regardless though, check the fluid level again, drive it around, see what happens. Quote Link to comment Share on other sites More sharing options...
rockfangd Posted April 1, 2007 Report Share Posted April 1, 2007 if the tranny pump is not working properly it is not circulating fluid fast enough, but it should tick no matter what well actually more like a winding noise very close to the driverside cv shaft Quote Link to comment Share on other sites More sharing options...
SigEpCutlass Posted April 2, 2007 Author Report Share Posted April 2, 2007 Is this "ticking" like a really fast clicking? Like it sounds like you put a card in a fan or something? Or is it a constant tick? My transmission in the '95 has done this funky really fast clicking/grinding since I got it, and I push it hard, and it's never failed me. Yes, it's more of an occasional clicking noise that I get under certain conditions now. (i.e. coasting at a certain speed for a while and then accelerating at a very slow pace, some stop and go rush hour conditions, from a dig below 45 mph) Stupid question, but the manual says to use a certain amount of fluid when doing a filter change. I've always had to add in more than what the manual says. Is there enough fluid in the tranny? It's not a stupid question at all Chris. I had the same thought on friday afternoon. Dipstick read full after 6 quarts were added. I did a search on google about the capacity of the 4t60-e, and sure enough google directed me back to our site http://www.w-body.com/forum/index.php/topic,24948.0.html This perked my suspicions and it was in fact the case...I needed to add 7 quarts to quiet the ticking time bomb noises. After adding 7 quarts total, the dipstick still showed the same reading as it had with 6 quarts...FULL!!! Yes, I followed the procedure down to a T to check the transmission fluid as specified in the owners manual. I still get the occasional light "clicking" under certain conditions as I specified above. If you really romp on the gas in Park, does it tick or not?? No tick at all when romped on in P, R, or N I looked around in the book, and had nothing for a clicking sound, only a whine. Regardless though, check the fluid level again, drive it around, see what happens. The loud pump whine has almost gone away completely after adding the 7th quart of ATF. Overall, I think I have her fixed now. The lack of change in ATF level on the dipstick when adding a quart is disconcerting, but I can live with it if the cutty is ok. I may actually add a half quart more to see if that quiets the transmission tick entirely. Quote Link to comment Share on other sites More sharing options...
Euro Posted April 2, 2007 Report Share Posted April 2, 2007 Glad you got that figured out Mike. That ticking would've driven me(as well it probably did you) bonkers Quote Link to comment Share on other sites More sharing options...
SigEpCutlass Posted April 2, 2007 Author Report Share Posted April 2, 2007 Glad you got that figured out Mike. That ticking would've driven me(as well it probably did you) bonkers Well...it was worse than bonkers...it was f'ing NUTS! It almost drove me to purchase a L67 powered vehicle. Quote Link to comment Share on other sites More sharing options...
Brian P Posted April 2, 2007 Report Share Posted April 2, 2007 so you go from risk of tranny failure to risk of barbeque? Anyways, regarding the fluid level, just be sure the tranny is warm and you've driven it for at least 5-10 minutes normally (under 45mph, medium throttle) there is a thermo-valve in the valve body that opens when it gets warm, allowing more fluid to flow thus changing the level slightly. I forgot what does what as it's been a while since I was studying the book for a tranny rebuild. It's also good to keep the level slightly above the top of the hatched area (half a qt maybe) on these tranny's. Quote Link to comment Share on other sites More sharing options...
slick Posted April 2, 2007 Report Share Posted April 2, 2007 I've always read that it's good to slightly overfill these tranny's with fluid as well. It partly fixes the slip while making a sharp turn and giving it gas. Quote Link to comment Share on other sites More sharing options...
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