Question about 1993 Chevrolet C1500

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Steering box leaking from worm screw - 1993 Chevrolet C1500

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They had a recall on these steering boxes have the stering box replaced

Posted on Dec 27, 2008


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I can't tell you the exact process but I can offer a few pointers.

A complete adjustment of a steering box is almost as complex as a lot of other gear work including the rear axle - much of the technique and technical principle is similar. A complete adjustment should not be undertaken lightly by the inexperienced. Careful examination of the components and accuracy of adjustment is essential.
Adjusting a worn steering gear can be counter-productive as the finished item can have "tight" spots resulting in over-correction of the steering by the driver with the characteristic weaving along the road.

A selection of shims will be needed, some (homemade) special tools, an accurate spring balance or a very accurate torqometer covering the range of 0 - about 20 inch-pounds and a repair manual.

There are different types of steering box - recirculating ball, worm-and-peg, worm-and-segment...
The former is the best but the most complex and is almost exclusively to be found on luxury cars and the latter type is mostly found in the vintage car parc and the worm-and-peg type is probably the most commonly found.

Mostly people only wish to adjust the "lash" of the steering gear to eliminate the free play at the steering wheel and the typically vague feel.

Many steering boxes have a screw and locknut on the cover in order to adjust the lash and preload the peg and worm, etc. but if significant wear has taken place, the steering will be too stiff in operation and the lash will still be present. For the inexperienced it is important not to use the "trial-and-error" method of adjustment but to disconnect the steering drag link and to make the adjustment while checking the preload using the prescribed method at the steering wheel.

For steering boxes without the adjusting screw it will be necessary to remove the cover and to select a shim to remove in order to adjust the lash.

As a matter of interest, excess lash is often caused or partly caused by the steering box retaining bolts loosening or the chassis weakening due to fatigue cracking or rusting. Closely inspecting the area of the mountings while an assistant loads the steering by turning the steering wheel left and right fairly rapidly by between a quarter and half a turn.

I hope this helps.

Sep 02, 2017 | Ford Cars & Trucks

1 Answer

My isuzu giga truck with a 6WA1 engine while running on the road the steering wheel suddenly lock up. what is the cause of the lock up?

have seen mechanical issue inside steering box (balls that run on worm drive of input shaft jam due to wear) that causes steering to lock up, it means replacing the steering box

Oct 20, 2013 | Cars & Trucks

1 Answer

Steering fluid leak; oil covering steering gear box

if the leak is coming from the steering box there are usually only 3 places it can come from;most common place is the pitman shaft seal,which can be replaced.this is were the pitman arm of the steering connects to the steering box.another place is the steering box input shaft seal,this is were the steering colume connects to the steering box,which can be replace.the last place is the power steering hoses were they connect to the steering box.there are seals that seal the lines when screwed into the box which can also be first you need to see exactly were the leak is coming from.rare occasions the steering box is porous which means the box will need replacing.a car of this age should have shown up long will have to clean the box off at the car wash then run the car and turn the steering wheel all the way to one side,this will build up pressure in the system to show up the leak quicker.

Apr 04, 2012 | 2000 Jeep Wrangler

1 Answer

Play in steering wheel

What kind of play? Is it a tilt column and the top portion of the column is moving? If yes, the column needs to come apart and some bolts need to be tightened. Also need some specialty tools to do it. Not something for some beginers to do.

If its just the left and right turning that has play, check the joints on the shaft from under the hood. If they look fine it could be a worn box. The steering box usually have a screw with a lock nut on the top. This pushes up against the worm gear to take up slack.
\Be careful adjusting this. Loosen the lock nut and turn the screw about 1/8 turn and tighten the lock nut. Too tight and it puts more wear on it and the vehicle wont return to straight on its own while driving. Also don't test for play while the wheels are off the ground. It would be misleading.

Aug 29, 2011 | 1989 Ford F 150

1 Answer

I have a 1974 ford 2000 3 cly. tractor. recently having steering problems. (with manual steering) when turning the steering wheel to the right the stering wheel just spins with no resistance but turing it...

As I recall the worm gears are secured on the shaft via a shear pin. I would sugest changing the pins with ones that may end up being over spec size but could account for slipage in only one direction.

Jun 15, 2010 | 2007 Ford F

1 Answer

97 RAM 1500 4X4 replaced steering box and some

2 inches @ the steering wheel? i do not recommend tampering with the screw on the gearbox. that is for adjusting the sector shaft, usually only adjusted on high mileage gearboxes. since most of your driving is straight the gearbox worm gear wears out in that position, by adjusting it, it tightens up the gap in the gears the problem comes in when turning because it can be too tight on the ends of the shaft possibly binding up in your gearbox.and no matter what happens next it probably wont be good. try checking the couplings in the steering shaft. with the vehicle off, steering unlocked, have someone move the steering wheel left and right making sure not to move the tires, your looking to see play at all joints, couplings, or pivots. where you see one piece moving and the other not.

Mar 24, 2010 | 1998 Dodge Ram 1500 4WD

1 Answer

Is there an adjustment on a 1999 Suburban steering gear box. It was replaced 6 months ago along with the pitman, but it feels to sensitive or loose??

Yes there are Pitman shaft over-center preload and worm thrust bearing preload.There are special procedures and tools needed for both of these and the steering gear needs to be out of vehicle and drained.Hope this helps.

Feb 14, 2010 | 1999 GMC Suburban

1 Answer

Leaking pitman arm seal at gear box

most of the good rebuild kits have the diagram in it there is not that much in there secter shaft worm gear + some seals and the parts are
not cheap you may be better off with a good used one with fresh seals

Jan 11, 2010 | 1996 Dodge Ram

2 Answers

Need a drawing of the worm shaft and spool valve assy.

closest I have is 94 explorer. may be similar.

Item Part Number Description 1 3E501 Steering Gear Sector Shaft Seal 2 3524 Steering Gear Input Worm Gear and Rack 3 3647 Steering Gear Worm Ball 4 3523 Steering Gear Ball Return Guide 5 3A670 Steering Gear Worm Thrust Bearing Adjuster 6 — Locknut (Part of 3577) 7 3571 Steering Gear Worm Thrust Bearing 8 3575 Steering Gear Sector Shaft 9 3524 Steering Gear Input Worm Gear and Rack

May 09, 2009 | 1983 Ford F 250

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