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Forum: Transmissions and Drivetrain
03-24-2005, 12:46 PM
Replies: 14
Views: 892
Posted By Precision Trans

I still think your problem is a crossleak from...

I still think your problem is a crossleak from the fwd clutch circuit into the overrun clutch circuit.

Your pressures are on the low side because your pressure regulator spring is probably a bit...
Forum: Transmissions and Drivetrain
03-21-2005, 03:03 PM
Replies: 1
Views: 445
Posted By Precision Trans

Sounds like you may have a stuck TCC solenoid, or...

Sounds like you may have a stuck TCC solenoid, or a short in the TCC solenoid wiring. This may cause the TCC to engage as soon as the transmission shifts into 2nd gear.

Don
Forum: Transmissions and Drivetrain
03-21-2005, 02:57 PM
Replies: 4
Views: 468
Posted By Precision Trans

We can do your 9" for you, no problem. ...

We can do your 9" for you, no problem.

Precision Transmission
105 St. Peters Road
Charlottetown, P.E.I. C1A 5P1
Canada
1-902-892-4819
http://www.precisiontransmission.pe.ca...
Forum: Transmissions and Drivetrain
03-14-2005, 10:16 AM
Replies: 3
Views: 825
Posted By Precision Trans

Mind if I ask why you guys are changing the pin...

Mind if I ask why you guys are changing the pin in adition to the servo?

Don
Forum: Transmissions and Drivetrain
03-11-2005, 10:30 AM
Replies: 14
Views: 892
Posted By Precision Trans

Shuddering is never good! Sounds like you have...

Shuddering is never good! Sounds like you have insufficient pressure to a clutch or band servo, or one again, the old bugaboo, skipping sprag. Lack of pressure could be caused by improper TV...
Forum: Transmissions and Drivetrain
03-11-2005, 06:20 AM
Replies: 6
Views: 515
Posted By Precision Trans

As a start, check your TPS. The fact your trans...

As a start, check your TPS. The fact your trans will shift if you "lift slightly", could point to bad TPS signal.

Don
Forum: Transmissions and Drivetrain
03-10-2005, 03:05 PM
Replies: 14
Views: 892
Posted By Precision Trans

Does your trans have 3 pressure test ports on the...

Does your trans have 3 pressure test ports on the right hand side? One immediately behind the servo just above the pan, one a bit further up, and one just above pan level to the rear of the first 2?...
Forum: Transmissions and Drivetrain
03-10-2005, 02:48 PM
Replies: 32
Views: 2,722
Posted By Precision Trans

Psycho: If this is for real, then think back...

Psycho:

If this is for real, then think back to your kindergarden days. It's "1", "2", "3", "4". And you get a gold star!!

Don
Forum: Transmissions and Drivetrain
03-10-2005, 02:44 PM
Replies: 9
Views: 982
Posted By Precision Trans

Evil: Since changing valve bodies had no...

Evil:

Since changing valve bodies had no effect, we can assume for the moment that you do not have a VB problem. (i know, I know; never assume anything. But since I can't lay my hands or even eyes...
Forum: Transmissions and Drivetrain
03-10-2005, 01:40 PM
Replies: 16
Views: 3,460
Posted By Precision Trans

Colon: When you are turning the driveshaft...

Colon:

When you are turning the driveshaft you are feeling all the accumulated backlash in the axle, between the ring and pinion, the differential case to the diff pinion shaft, the diff pinion...
Forum: Transmissions and Drivetrain
03-10-2005, 10:02 AM
Replies: 6
Views: 564
Posted By Precision Trans

Yeah, what RB said. Don.

Yeah, what RB said.

Don.
Forum: Transmissions and Drivetrain
03-10-2005, 09:01 AM
Replies: 16
Views: 3,460
Posted By Precision Trans

I just went through this on another thread, but...

I just went through this on another thread, but here goes, anyway.

Firstly, all references to pattern, heel and toe, mean the ring gear.

Richmond 69 Series gears require that the drive side...
Forum: Transmissions and Drivetrain
03-10-2005, 08:35 AM
Replies: 4
Views: 462
Posted By Precision Trans

Depends on which model of transmission, and its...

Depends on which model of transmission, and its intended usage. Give me some more information, and I will try yo help.

Don
Forum: Transmissions and Drivetrain
03-10-2005, 08:33 AM
Replies: 6
Views: 473
Posted By Precision Trans

Okay, now that I know the gear manufacturer, I...

Okay, now that I know the gear manufacturer, I may be able to help you track down your noise.

69 series Richmond gears are meant to be set up with the contact pattern biased towards the toe on...
Forum: Transmissions and Drivetrain
03-10-2005, 08:02 AM
Replies: 14
Views: 892
Posted By Precision Trans

Am I correct in assuming that even if you were...

Am I correct in assuming that even if you were to take the vehicle up to about 60 or 70mph, that the trans still neutrals when you move the shifter from D3 to D4?

As for possible VB concerns, if...
Forum: Transmissions and Drivetrain
03-10-2005, 07:01 AM
Replies: 6
Views: 564
Posted By Precision Trans

Mike: Is the noise present with the vehicle...

Mike:

Is the noise present with the vehicle stopped, clutch disengaged, or only with the vehicle moving? If the noise is there with the vehicle stopped, and trans in gear, the noise is not from...
Forum: Transmissions and Drivetrain
03-10-2005, 06:55 AM
Replies: 2
Views: 482
Posted By Precision Trans

327: Certainly sounds like you have damaged...

327:

Certainly sounds like you have damaged the park pawl, and the park wheel. The sometimes works, sometime doesn't syndrome pretty much indicates that you have burred up the edges of the teeth...
Forum: Transmissions and Drivetrain
03-10-2005, 06:39 AM
Replies: 79
Views: 8,028
Posted By Precision Trans

New PR valve

Dana:

First off, I apologize to the rest of you for hijacking this thread.

I'd really like to learn more about this valve you include in your VB kits. It is unlike any I have seen up to this...
Forum: Transmissions and Drivetrain
03-09-2005, 01:30 PM
Replies: 14
Views: 892
Posted By Precision Trans

How did you check the sprag element? Physically...

How did you check the sprag element? Physically remove it from its races, and eyeball the width of the flattened wear area on the "dogbones"?

If the sprag fails to hold, you will have no movement...
Forum: Transmissions and Drivetrain
03-09-2005, 06:25 AM
Replies: 6
Views: 473
Posted By Precision Trans

How does 0.008" compare with the manufacturers...

How does 0.008" compare with the manufacturers recommendation? I hope you didn't pick 0.008" arbitrarily, when setting the baclklash. You must bear in mind, that the tighter you set the backlash,...
Forum: Transmissions and Drivetrain
03-08-2005, 01:08 PM
Replies: 14
Views: 892
Posted By Precision Trans

I assume you mean when you select D4(Drive 4) on...

I assume you mean when you select D4(Drive 4) on the shifter, your car will not move. Your problem is the input sprag, You did replace the sprag element and de-glaze the races when you did your...
Forum: Transmissions and Drivetrain
03-08-2005, 10:35 AM
Replies: 2
Views: 464
Posted By Precision Trans

You need to use a THM 350 that came with a nine...

You need to use a THM 350 that came with a nine inch extension hsg. Usually found in pick-ups. Use the 700-R4 tailhousing along with a 1 1/2 inch thick spacer between the THM case and the 700 tail...
Forum: Transmissions and Drivetrain
03-08-2005, 10:27 AM
Replies: 6
Views: 597
Posted By Precision Trans

You have a fwd clutch problem. Either due to...

You have a fwd clutch problem. Either due to cross-leaks allowing the clutch to be engaged all the time, or the plates being welded to one another due to slippage and/or oveheating.

This will...
Forum: Transmissions and Drivetrain
03-08-2005, 10:12 AM
Replies: 6
Views: 473
Posted By Precision Trans

What's the actual backlash as measured with a...

What's the actual backlash as measured with a dial or test indicator? If you can't tell me, then you are not properly equipped to handle working on gearsets and you should consult someone with...
Forum: Transmissions and Drivetrain
03-08-2005, 09:53 AM
Replies: 3
Views: 1,061
Posted By Precision Trans

Noise

When do you get the noise? With engine running, obviously. But, only in park or neutral? Only in fwd or reverse? Does the noise change when you shift into or out of gear? Can't say as I've ever heard...
Forum: Transmissions and Drivetrain
03-08-2005, 09:37 AM
Replies: 8
Views: 683
Posted By Precision Trans

Just wondering how your speedo calibration went....

Just wondering how your speedo calibration went. Never heard back from you after I sent you an e-mail with the tooth counts and part numbers for the speedo gears.

Don.
Forum: Parts for Sale 2006
03-02-2005, 03:34 PM
Replies: 0
Views: 524
Posted By Precision Trans

Gear Sale, Overstock on 4.10

Clearing out an overstock of 3.73 and 4.10 gearsets for 7.5/ 7.625 10 Bolt rear axles. These gearsets are from "American Axle and Manufacuring", the OEM supplier to GM, and are marketed under the...
Forum: Transmissions and Drivetrain
03-01-2005, 03:06 PM
Replies: 27
Views: 23,762
Posted By Precision Trans

Ezra: Look in Your ATSG manual and...

Ezra:

Look in Your ATSG manual and check that the 3-2 downshift solenoid wires are routed correctly. On 1995 models, the 3-2 solenoid and the TCC-PWM solenoid( beside the TCC solenoid that...
Forum: Transmissions and Drivetrain
03-01-2005, 06:39 AM
Replies: 27
Views: 23,762
Posted By Precision Trans

Ezra: It is possible that you have a short...

Ezra:

It is possible that you have a short across two or more wires in the wiring harness between the PCM, and the solenoids. As long as there are no shorts directly to power, or to ground, this...
Forum: Transmissions and Drivetrain
02-26-2005, 01:59 PM
Replies: 27
Views: 23,762
Posted By Precision Trans

Ezra: Read my previous post again,...

Ezra:

Read my previous post again, carefully. I will emphasize, again, that a solenoid electrical code does not necessarily mean only the solenoid. It means the CIRCUIT!!!!!!!!!!!!!! The...
Forum: Transmissions and Drivetrain
02-25-2005, 01:08 PM
Replies: 27
Views: 23,762
Posted By Precision Trans

Ezra: Solenoid codes come in two...

Ezra:

Solenoid codes come in two flavours, electrical and performance. If you are getting solenoid circuit codes, you must consider not only the solenoid but also the wiring harnesses, and...
Forum: Transmissions and Drivetrain
02-25-2005, 12:32 PM
Replies: 10
Views: 4,733
Posted By Precision Trans

"Z" Your problem can be easily solved by...

"Z"

Your problem can be easily solved by installing the valve body and internal wiring harness from your original transmission. If there is a shift programming kit in your new trans, the parts and...
Forum: Transmissions and Drivetrain
02-25-2005, 08:04 AM
Replies: 79
Views: 8,028
Posted By Precision Trans

Pump and Regulator Schematic

Chris:

Posting a picture of the circuits. As you can see, by modifying the PR valve similar to the one Jason had in his trans, you can see that "reduce" oil is dumped, and no control is possible....
Forum: Transmissions and Drivetrain
02-23-2005, 07:37 AM
Replies: 79
Views: 8,028
Posted By Precision Trans

250 psi.

Jason:

Just got in this morning and read your posts. I assure you, that the valve you got from Pro-Bilt is WRONG!!! Unless it is intended to go with other obscure, not explained, mods to...
Forum: Transmissions and Drivetrain
02-22-2005, 10:13 AM
Replies: 8
Views: 683
Posted By Precision Trans

Speedo Gears

It's not always that simple when it comes to speedometer gears, guys. As you may or may not be aware, THM 350 trannys used two completely different styles of gears. They are the Chevrolet built or...
Forum: Transmissions and Drivetrain
02-22-2005, 08:59 AM
Replies: 79
Views: 8,028
Posted By Precision Trans

Uncontrollable line pressure

Jason:

The pictures I promised you may be delayed as I am having difficulties posting them to this board.

However, I have a few additional comments. You may or may not want to replace your pump...
Forum: Transmissions and Drivetrain
02-22-2005, 07:43 AM
Replies: 79
Views: 8,028
Posted By Precision Trans

Jason: Thank you for posting the pictures....

Jason:

Thank you for posting the pictures. Your problem is now readily apparent!! You have incorrectly modified your pressure regulator valve. The land you have ground down is dumping all the...
Forum: Transmissions and Drivetrain
02-15-2005, 01:45 PM
Replies: 2
Views: 1,125
Posted By Precision Trans

Casting #'s

I Roc A Z:


Most common "3 series" differential case number:

0578-908-F- 731 fits 3.27 ratios and numerically higher.

Should also be marked with Aust. Patent No. 222888.

...
Forum: Transmissions and Drivetrain
02-15-2005, 08:28 AM
Replies: 3
Views: 3,205
Posted By Precision Trans

Pinion Nut Size

Toxinz:

I assume you are referring to the thread size on your pinion gear. Any "9 Bolt" gearsets we have worked on or sold have a thread size of 0.750" and a thread pitch of 16tpi(threads...
Forum: Transmissions and Drivetrain
02-14-2005, 10:27 AM
Replies: 79
Views: 8,028
Posted By Precision Trans

LilJayV10: Hope you don't mind if I...

LilJayV10:

Hope you don't mind if I take a stab at this. You mentioned earlier that the trans was doing, "other strange things". Could you be a bit more specific, please? Did I read...
Forum: Transmissions and Drivetrain
02-09-2005, 09:20 AM
Replies: 0
Views: 565
Posted By Precision Trans

Rear Axle Covers/Girdles

Just wanted to post this to clear up any confusion. The other day following a post of mine regarding the "9 Bolt" axle in which I mentioned we had made and marketed a cover/girdle for this axle, ...
Forum: Transmissions and Drivetrain
02-09-2005, 07:42 AM
Replies: 2
Views: 548
Posted By Precision Trans

Trans Sludge

Purp:

The thick sludge you mention could be from the clutches and bands in the unit. Is the sludge sticking to the magnet? You are running a magnet in your pan, are you not? Another possible...
Forum: Transmissions and Drivetrain
02-07-2005, 01:05 PM
Replies: 27
Views: 1,384
Posted By Precision Trans

9 Bolt Parts

Sorry Guys:

Monday morning and all. The e-mail for Precision Transmission is "mail@precisiontransmission.pe.ca" Our URL is"http://www.precisiontransmission.pe.ca"

Regarding "9 Bolt"...
Forum: Transmissions and Drivetrain
02-07-2005, 10:52 AM
Replies: 27
Views: 1,384
Posted By Precision Trans

Aussie-Posi,aka 9 Bolt parts

Don't know where you guys have been looking, but we have been supplying gears, bearings, seals, etc to fit the "9 bolt" for some time. When replacing your ring and pinion, ALWAYS use new ring gear...
Showing results 1 to 44 of 44


 
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