Question about 1984 Ford Thunderbird

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Transmission fluid back pressure

I have a 1964 t-bird. when i turn off the engine enven when its not put in gear, transmission fluid comes up and out of the filler tube. Can you help?

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Try replacing the filter on the transmisson also check to see if your transmisson cooler is plugged, you can do this by disconneting both cooler lines and putting air into one hole the air should blow out freely if not buy a after market cooler and install it.

Posted on Jun 15, 2009


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A have 2002 ford explorer overdrive light flashes and a code p0745. When I had the car for the first there was no check light and overdrive light wasn't on, as soon I drove the vehicle for half a mile the...

When the a transmission solenoid is malfunction, in most cases the problem is not the electrical part of the solenoid; the problem is foreign material obstructing the mechanical function of the solenoid or the flow of the fluid through the transmission valve body. If the transmission fluid is very dirty, it is recommend changing the transmission fluid and if possible removing the transmission pan for further diagnosis. Excessive debris or metal particles on the transmission pan could be an indication that there is a transmission mechanical failure and that the transmission will need to be rebuilt or replaced.

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Nov 06, 2013 | Cars & Trucks

1 Answer

Very difficult at times to get into gear on my 2007 grand vitara. At times when in gear cannot change gear at all but other times moves through gears freely. What is the problem?

if this is an automatic transmission, check your transmission fluid level. The fluid should be red, if it is orange/ brown colour and smells burnt. Will need to be changed. Take it somewhere to have fluid and filter changed. If you are mechanically inclined try flushing the fluid through the transmission. Disconnedt the driver side transmission cooling rubber line from bottom of rad. place the end of the hose in a large container. Put parking brake on, turn on vehicle and put into drive. the transmision fluid with pump out into container. Watch how fast it pumps out. When the fluids stops coming out, shut off engine and put back into park. Next drain remaining fluid out of transmission pan. There is 9/19 or 14mm bolt for this on bottom side of transmission. When this is done, refill transmission and repeat. This time you are flushing all the extra **** out of the transmission. Again check thre flow rate of the fluid coming out. It will come out faster this time. When finished replace transmission fluid again with new clean fluid. This should help free your shifting. When starting the engine for the first time. Put the brake on and put the shifter in 1st for a few seconds , then 2nd and drive, then reverse. This will also allow the fluid to begin to circulate.
If the transmission fluid was dark brown or black it would be wise to replace filter when you finish flushing transmission. To do this you have to disconnect the 4 wheel drive shaft to get pan off. Try just flushing the transmission first. I will look again in couple of days for your reply.

Dec 28, 2010 | 1999 Suzuki Grand Vitara

1 Answer

How come my clutch wont let me put it in first gear?

If the transmission "grinds" or just simply can't be pulled into gear when you try and place it in 1st gear then the clutch most likely isn't releasing far enough to allow the transmission to completely stop turning and the gears will clash or not go in as you try to place it in gear [when the engine is running that is] If this is the case however it should shift easily in and out of gear if the engine is off. Often the same clashing will also occur when trying to shift into reverse. There's usually three possible causes. The clutch master cylinder could be low on fluid or leaking pressure internally, the slave cylinder could be seeping fluid or have air in it or the line leading between it and the master cylinder, or there could be an problem with the clutch disc or pressure plate. I see all three problems on a pretty regular basis so you may need to have it checked out at a service facility to know for certain what is causing the problem. Good luck, hope this helps you out.

Dec 08, 2010 | 1993 Nissan Pickup

1 Answer

I have a 1997 chevy 1500. The Trans (4l60e) is bad i think

Before guessing at transmission problems, check the fluid level (car warmed up, engine running in Park on level ground) and have the PCM scanned for trouble codes FIRST.
Secondly, put a line pressure gauge (or visit a local trans shop) on the pressure test port and go for a drive to verify proper line pressure. Base pressure at idle in P,N,OD should be around 70psi and around 140psi in R. Max line pressure should be at least 190psi at WOT in 1st or 2nd, 225psi is optimum. If base pressure is low, trans or pump is worn out. If max pressure is low, check EPC solenoid. If reverse is slow to engage, and line pressure does not come up to at least 130psi in reverse, replace the boost valve with a Transgo 0.500" boost valve (easy fix in pan).
Slow, slipping or no reverse: “lo-reverse” clutches are worn out, fluid leak in the reverse apply circuit, or broken sunshell. It is possible to remedy a fluid problem by removing the checkball from its cage in the case in the rear of the trans may help (must remove valvebody), or adding a high-viscosity additive such as Lucas Transmission additive or other seal restorer product. May also have worn boost valve (can replace in the pan).
Soft shifting, gradual performance degradation: Poor line pressure rise due to leaking boost valve, clogged EPC filter screen, failing EPC solenoid, or worst case: leaky seals throughout. Transgo HD2-C kit fixes first two without removing trans. Seal restorer may fix last problem, but probably R&R. Also try a transmission flush with BG brand products (Firestone stocks it).
No movement in any gear: pump failure, or total loss of fluid. R&R, or refill pan and find the leak. If out of fluid, avoid running the engine until the trans is refilled to avoid pump damage. To check for pump failure, check fluid level with the engine off, then start the engine and recheck fluid level. If level does not go down when engine is running, the pump is broken.
1-2 or 2-3 shift is slow/soft above part throttle: Trans is on its way out. R&R
Good luck and start with checking your transmission fluid level. Thank you for using Fixya

Mar 16, 2010 | 1997 Chevrolet Suburban

1 Answer


Do you have forward and reverse when the wheels are off the ground? It is possible you have lost hydrolic pressure. Check the fluid level by letting the engine warm up, applying the brake, and then run the gear selector through the full range of gears, pausing a few seconds in each gear. Put it back in park but leave the engine running. Then check the fluid level on the transmission dipstick, twice. If it is low, add some and that'll likely fix the issue. If it is full, then you probably need a new transmission oil pump.

Mar 04, 2010 | Oldsmobile Alero Cars & Trucks

2 Answers

I put in a used transmission into my 2000 gmc sierra 1500 4x4 why wont it shift into any gear and the shift indicator doesnt work now?

Hi there,

I would firstly suspect a problem with the Park/Neutral Position Switch, as this switch is connected directly to your dash gear indicator.


1st test: attempt to START the engine in each of the following gears: P, R, N, D, 3, 2, 1 (or L, C etc).

1) Engine should start in P & N ONLY
2) Engine should NOT start in other gears

- If engine does not start in any gear, then ensure switch is connected properly.
- If engine starts in both P & N ONLY, then switch is working OK.
- If engine starts in P, but not in N....then switch requires correct alignment on the transmission.

Should this still not resolve the problem, then you will need to have your local dealership access your vehicle's on-board diagnostics/trouble codes - this will immediately identify where the the fault lies (as all transmission electronics are monitored by the OBDII system).


"If this information has helped you in any way, please rate this solution"

Jan 27, 2010 | 2000 GMC New Sierra 1500

2 Answers

2000 S10 Blazer Transmission

Check the transmission fluid and see it's condition. Make sure it's at the proper level, the whining noise sounds like the transmission has low line pressure which would be a bad transmission pump. The "klunk" was the line pressure being high and low right now could ba a faulty transmission pressure line servo. Newer automatic transmission designs often use many pressure control solenoids, and sometimes allow the shift solenoids themselves to provide precise pressure control during shifts by romping the solenoid on and off. The shift pressure affects the shift quality (too high a pressure will result in rough shifting; too low a pressure will cause the clutches to overheat) and shift speed. Check the fuse box at the end of the dash on the driver's side and look for the transmission fuse and make sure it's not bad. You can also try resetting the ECM by placing the ignition to the run position and pulling the ECM (BATT) fuse out for 30 seconds and placing it back in and starting the jimmy. It may stall but let it and don't touch anything. Just restart the engine and everything should be like the way it came off the assembly line and hope the transmission come back to life till you can get it to a transmission shop for a proper scan. Good luck and hope this helps. keep me posted, be glad to help.

Jul 01, 2009 | 2000 Chevrolet S-10

3 Answers

Wont go into gear

Hi, the first thing to do in this situation is to check the transmission fluid level. make sure it is full and not low.Also, if you have not flushed this transmission, you will need to do this immediately. i recommend a complete transmission flush and a new transmission filter as well.

After you have changed the transmission fluid and totally flushed the transmission case out and replaced the filter, you should notice a deference in the operation of the transmission. if the actions are still slow and the gear reactions are still delayed, this will point to a more serious issue concerning the Transmission control module and the shift solenoids as well.

Test the transmission control model and the shift solenoids for their operational value, if the solenoid test are bad, replace the affected one. do the same for the transmission module as well. replace all faulty parts accordingly.

Please rate and god bless)

May 04, 2009 | Mercury Sable Cars & Trucks

1 Answer

1999 jeep grand cherokee transmission

This is called limp mode chrysler did this to protect the transmission without leaving the owner stranded by the road,a few things will cause this mainly putting the wrong fluid in the transmission,they use only atf+4,or the govenor pressure sensor is acting up which should cause a check engine light to come on,or the transmission just needs a fluid and filter change,should be done every 2yrs or 36k miles,due the fluid and filter change about 40.00 but if you have the wrong fluid then the whole system needs to be flushed and refilled-transmission-torque convertor,radiator and cooler if equipped and all lines.

Mar 09, 2009 | 1999 Jeep Cherokee

1 Answer

1996 Olds ciera, V6, Engine dies when put in drive

Try disconnecting the electrical connector at the transmission and see if it stall when you put it in gear. You will get a service engine light, but not to worry, it will go back out once you reconnect.
By disconnecting the wire connector we can tell if it is transmission related.
Good luck, let me know.

Mar 08, 2009 | 1996 Oldsmobile Cutlass Ciera

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