c4 problems need help!

ponyboyjr

New Member
Jun 21, 2004
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Hey everyone, I am new to this forum and I am looking for some much needed help. I have a 65 mustang coupe with a c4 and it is blowing trans fluid out of the dipstick tube. I just had the trans rebuilt which included a front pump because of this same problem. It is still blowing trans fluid out of the dipstick tube though. It is also making a noise from the bellhousing now. I did not replace the torque converter. Could the torque converter be making the noise? Can it also cause the trans fluid to blow out of the dipstick tube? (The trans fluid was not overfilled). It wasn't making the noise before I had it rebuilt. The pump that was put on was not brand new but had a new bearing in it. Thanks for reading and any help is greatly appreciated.
 
Hi, I'm not a transmission expert. However, your post reads as if you paid someone to do it. If so, take it back. They will fix it for you. You could also call a couple local shops and ask their opinion of what is wrong. That way you're prepared to suggest something to your shop when you return the car there.

Otherwise, hopefully someone here who knows more than me will post advice. :)
 
GaPonyFarm said:
Check the vent on top of the extension housing. It may be smashed or clogged. You're losing fluid through the filler tube because of unvented pressure inside the tranny.... the vent is the most likely culprit.

Listen to this man. I just went through it. He's right. He can't iron cammies, but he's right. :lol:
 
mustangdave said:
Thread hijack in progress: has anyone figured out a way to vent the C4 into a canister to keep the gunk off of the tranny but still allow it to vent?

You shouldn't be venting out onto the tranny (or floor) if you keep the fluid at a proper level (not to full). Beware of aftermarket dipsticks as they are often shorter than oem dipsticks.... causing the unaware owner to overfill the tranny.
 
GaPonyFarm said:
I don't have to iron cammies anymore! But that vent is a definite PIA! How you been 10secGoal?

Been good. Runnin' hard, breakin' stuff. You know, the usual.(A stock driveshaft won't hold 473 ft/lbs. to the rear, it screamed and gave up. :D )

An old timer told me one for this. Take off your tailshaft, tap it, put in a bolt with a hole drilled all the way through (cut of the head of the bolt). Take a peice of hose and hose clamp it and run it all the way up front to the fire wall and face it up. The fluid will have to fill the tube all the way up AND fight gravity to get out. What doesn't come out drains back in.
 
10secgoal said:
Been good. Runnin' hard, breakin' stuff. You know, the usual.(A stock driveshaft won't hold 473 ft/lbs. to the rear, it screamed and gave up. :D )

An old timer told me one for this. Take off your tailshaft, tap it, put in a bolt with a hole drilled all the way through (cut of the head of the bolt). Take a peice of hose and hose clamp it and run it all the way up front to the fire wall and face it up. The fluid will have to fill the tube all the way up AND fight gravity to get out. What doesn't come out drains back in.

You Marines are good at bustin' stuff! :D Driveshafts piss me off too. I've broken two this spring and they're only 36 1/2" long! Its Aluminum from now on...

Another option for your drain, might be to tap the hole for a banjo bolt and connect a brake hose to it, then just add whatever hardline you need to get to a container. Sure seems better than drilling out a bolt! I just might be concerned that while the hose is full of fluid, there is still pressure being made inside the tranny and the filler tube could still the path of least resistance... We might have to find and Air Force guy to try it out first! :D