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Steering
Damper for 1991-96 B-Bodies
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INSTALLING
THE Buick TSB Bulletin: 92-3-21 Steering Damper
From:
Scott Mueller
Date: Sun, 21
Jun 1998 09:21:41 -0400
Subject: Rear Frame Brace
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Part
#
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GM
Desc
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Desc
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List
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Cost
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10245794
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Bracket
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Damper
Frame Bracket
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28.64
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18.32
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4993536
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Shock
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Steering
Damper
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41.06
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26.26
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26059109
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Rod
Kit
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Steering
Relay Rod Kit
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190.92
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122.10
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454947
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Bolt
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Bolt
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5.37
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3.43
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9442937
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Nut
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Nut
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.41
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.26
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Totals:
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266.40
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170.37
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Another valuable
improvement to the steering system comes from Buick (and
Cadillac). I am referring to the front steering damper found on
most of the Roadmaster and Fleetwood models. This should help firm
up the steering and reduce wandering with big tires. If you want
that also, check out Buick TSB 920321 which details all the parts
you need and how to install them. As you can see creating the
ULTIMATE Impala or Caprice involves borrowing parts from the other
B-cars as well. ;-) Scott.
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1992 Buick Roadmaster
V8-350 5.7L
Steering and Suspension: All Technical Service Bulletins
Steering Wheel Oscillation/Vibration With EVO Steering
Bulletin: 92-3-21
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Date: May '93
Ref.No.: 92-348-3
Corp.Ref.No.: 333206
SUBJECT: STEERING WHEEL OSCILLATION/VIBRATION (NEW STEERING DAMPER)
MODELS AFFECTED:
1992 ROADMASTERS WITH EVO STEERING (RPO NV7)
CONDITION:
Some 1992 Roadmasters with variable effort Power Steering (RPO NV7), may
exhibit a slight steering wheel oscillation/vibration apparent when
operated over irregular/rough road surfaces.
CAUSE:
Reduced power assist requirements result in greater road feel inputs being
transmitted through the steering system.
CORRECTION:
Install a steering damper and required attaching components noted in the
service procedure as indicated.
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P/N
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PART
DESCRIPTION
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#
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10245794
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DAMPER
FRAME BRACKET
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1
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4993536
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STEERING
DAMPER
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1
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26059109
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STEERING
RELAY ROD KIT
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1
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454947
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BOLT
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1
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9442937
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NUT
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1
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Service Procedure:
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Disconnect battery.
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Remove steering linkage relay rod following
applicable Service Manual procedure in Section 3B3, "Steering
Linkage"
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Referring to Figure 1, locate approximate
area where damper bracket is to be welded to R.H. inner frame rail.
Clean area with GM Tar and Road Oil Remover, P/N 1050172, or
equivalent, insuring all dirt and wax coating is removed.
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Position provided template on frame rail
with a 17/64" drill bit inserted into hole in the frame and
template. Rotate template so that bottom edge of template is parallel
to the bottom edge of frame rail. Mark/scribe the location of the
upper and two sides noted on the template as being the locating points
for the bracket.
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Secure and shield fuel lines upward and out
of the way of the area where bracket is to be welded.
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Position damper bracket onto frame rail and
M.I.G. weld bracket to frame using American Welding Society Standard
ER70S-6 wire and 75 percent argon 25 percent C02 gas. Refer to Figure
1 for proper weld bead location.
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NOTE:
Only M.I.G welding is approved for this application. The welder must be
properly grounded to the front suspension cross member of the frame.
Grounding to any bolted on part is not approved.
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Apply GM Anti-Corrosion Compound, P/N
12345489 (16 oz. aerosol can) or equivalent to frame and bracket,
insuring all bare metal surfaces are covered.
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Remove shielding utilized to protect fuel
lines and position fuel lines in original location.
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Install steering relay rod and steering
damper following applicable Service Manual procedures in Section 3B3,
"Steering Linkage", and those noted in Figure 2.
Torque Specifications:
Bolt, Damper Frame Bracket 54 N-m (40 lb.ft.) Nut, Damper Relay Rod 54
N-m (40 lb.ft.) All Other Relay Rod Attachments 47 N-m (35 lb.ft.)
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Reconnect battery.
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Parts are expected to be available
on 6/7/93.
WARRANTY INFORMATION:
Labor Operation: T3329
Labor Time: 1.7 hrs
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