Power steering goes out when SUV maneuvers at slow speed

  • Article by: PAUL BRAND
  • Updated: November 23, 2012 - 4:12 PM

This is an irritation, if not a hazard, but an experiment shouldn't also need $250 to $300 in parts plus labor.

Q I have a 2003 Chevrolet Suburban 1500 5.3-liter 4x4, which I bought new and has served me well for 235,000 miles. It loses power steering when turning right during slow speed maneuvers such as parking. This is an irritation, if not a hazard. I've read opinions about defective 670 steering gearboxes (3 bolt) and that I should convert to a 680 (4 bolt) box. I really don't want to put $250 to $300 in parts plus my labor just to experiment.

A My ALLDATA automotive database pulled up GM bulletin #05-02-32-008D dated July of this year that identifies the 4-bolt 680 steering gearbox as an upgrade replacement for the original 3-bolt 670 gearbox.

But before replacing the steering gearbox, make sure the serpentine belt is not slipping, the power steering system is full of the proper fluid, and no air is trapped in the system. The easiest way to bleed air from the system is to raise the front end safely with jack stands under the lower control arms, start the engine and gently cycle the steering from lock to lock several times, holding it at full lock only momentarily in each direction. Adding 2 ounces of Sea Foam Trans Tune to the power steering reservoir can help clean and de-moisturize the fluid and the steering gearbox.

If you do experience a loss or reduction of power steering, try increasing engine speed. If slightly higher rpm restores power steering performance, you could try a relatively inexpensive complete flush and refill of the power steering system to remove any debris and contaminants. If you still have a problem, GM suggests installing a special hydraulic test device in the pressure hose to determine if there is adequate hydraulic pressure and/or any restrictions in the system or steering gearbox.

Q I have a 2007 Grand Caravan SXT and the right rear taillight has quit working. The brake, turn and backup lights still work. I have replaced bulbs, checked fuses, swapped left side taillight assemblies with right side to confirm it is not an assembly problem. My conclusion is it must be a broken wire between the front and rear of the car.

A Or a bad connection somewhere. First, check 15-amp fuse No. 2 in the Integrated Power Module fuse block. It protects the right side circuit in the parking lamp relay. If it's good, check for a solid ground connection from the terminal in the lamp socket to ground -- there should be no resistance. Then check for voltage from the positive terminal in the socket to ground. Assuming no voltage or ground, check the 6-pin connector located behind the right rear taillight assembly in the quarter panel.

Q When I am driving my friend's 2004 Buick Century at night and switch from low to high beams, the lights go completely off. A quick switch of the lever gets them back on. Needless to say, on dark country roads with oncoming traffic, this is scary for us. Your thoughts on this problem would be appreciated.

A The likely culprit is the turn signal/multifunction switch or harnesses in the steering column. Whenever the steering wheel is tilted up or down, the harnesses from this switch are flexed. Over time an internal wire fracture may occur that creates intermittent operation of this switch. Since the switch is over $500, check the connectors for this harness under the dash and at the fuse box first.

MOTORING NOTE

Speaking of multifunction switches, this from Ron Christianson in regard to last week's "no start" Cadillac. "I had a similar experience with the security system with a new 1989 Cadillac Eldorado. The problem turned out to be a break in the wiring harness in the steering column. When the steering wheel tilt is moved up and down it flexed the printed wiring cable until that circuit broke."

Nice timing, Ron. Thanks!

  • get related content delivered to your inbox

  • manage my email subscriptions

ADVERTISEMENT

Cleveland - WP: C. Allen 4 FINAL
Kansas City - LP: G. Holland 3
Baltimore - W. Chen 6:05 PM
NY Yankees - M. Pineda
Kansas City - D. Duffy 6:05 PM
Cleveland - C. Carrasco
Seattle - J. Paxton 6:07 PM
Toronto - J. Happ
Chicago WSox - C. Bassitt 6:08 PM
Detroit - K. Lobstein
Pittsburgh - F. Liriano 6:10 PM
Atlanta - A. Harang
Houston - N. Tropeano 7:05 PM
Texas - D. Holland
St. Louis - A. Wainwright 7:05 PM
Chicago Cubs - T. Wood
Arizona - J. Collmenter 7:10 PM
Minnesota - R. Nolasco
LA Angels - C. Wilson 9:05 PM
Oakland - J. Samardzija
San Francisco - J. Peavy 9:10 PM
Los Angeles - D. Haren
Colorado - T. Matzek 9:10 PM
San Diego - E. Stults
Chicago 7:30 PM
NY Jets
NY Giants 9/25/14 7:25 PM
Washington
Buffalo 9/28/14 12:00 PM
Houston
Green Bay 9/28/14 12:00 PM
Chicago
Tennessee 9/28/14 12:00 PM
Indianapolis
Carolina 9/28/14 12:00 PM
Baltimore
Detroit 9/28/14 12:00 PM
NY Jets
Tampa Bay 9/28/14 12:00 PM
Pittsburgh
Miami 9/28/14 12:00 PM
Oakland
Jacksonville 9/28/14 3:05 PM
San Diego
Atlanta 9/28/14 3:25 PM
Minnesota
Philadelphia 9/28/14 3:25 PM
San Francisco
New Orleans 9/28/14 7:30 PM
Dallas
Ottawa 2 FINAL
NY Islanders 3
Ottawa 5:00 PM
NY Islanders
New Jersey 0 2nd Prd
NY Rangers 0
Detroit 6:00 PM
Pittsburgh
Toronto 6:00 PM
Philadelphia
Washington 6:00 PM
Philadelphia
Minnesota 7:00 PM
Winnipeg
St. Louis 7:30 PM
Dallas
Anaheim 8:00 PM
Colorado
Colorado 9:00 PM
Anaheim
Los Angeles 9:00 PM
Arizona
Arizona 9:30 PM
Los Angeles
Texas Tech 9/25/14 6:30 PM
(24) Oklahoma State
Appalachian St 9/25/14 6:30 PM
Ga Southern
(11) UCLA 9/25/14 9:00 PM
(15) Arizona State
Middle Tennessee 9/26/14 7:00 PM
Old Dominion
Fresno State 9/26/14 7:00 PM
New Mexico
Texas-El Paso 9/27/14 11:00 AM
(25) Kansas State
Tennessee 9/27/14 11:00 AM
(12) Georgia
Vanderbilt 9/27/14 11:00 AM
Kentucky
Wyoming 9/27/14 11:00 AM
(9) Michigan State
Northwestern 9/27/14 11:00 AM
Penn State
TCU 9/27/14 11:00 AM
SMU
Iowa 9/27/14 11:00 AM
Purdue
Tulane 9/27/14 11:00 AM
Rutgers
So Florida 9/27/14 11:00 AM
(19) Wisconsin
Colorado State 9/27/14 11:30 AM
Boston College
Western Mich 9/27/14 11:30 AM
Virginia Tech
Maryland 9/27/14 12:30 PM
Indiana
Akron 9/27/14 12:30 PM
Pittsburgh
Bowling Green 9/27/14 2:00 PM
Massachusetts
Arkansas 9/27/14 2:30 PM
(6) Texas A&M
Kent State 9/27/14 2:30 PM
Virginia
Western Ky 9/27/14 2:30 PM
Navy
Minnesota 9/27/14 2:30 PM
Michigan
Wake Forest 9/27/14 2:30 PM
Louisville
FIU 9/27/14 2:30 PM
UAB
(1) Florida State 9/27/14 2:30 PM
NC State
Miami-Ohio 9/27/14 2:30 PM
Buffalo
Colorado 9/27/14 3:00 PM
California
Louisiana Tech 9/27/14 3:00 PM
(5) Auburn
Texas 9/27/14 3:00 PM
Kansas
Temple 9/27/14 3:00 PM
Connecticut
(16) Stanford 9/27/14 3:15 PM
Washington
TX-San Antonio 9/27/14 4:00 PM
Fla Atlantic
South Alabama 9/27/14 4:00 PM
Idaho
Cincinnati 9/27/14 5:00 PM
(22) Ohio State
Rice 9/27/14 6:00 PM
Southern Miss
Missouri 9/27/14 6:00 PM
(13) So Carolina
Boise State 9/27/14 6:00 PM
Air Force
North Carolina 9/27/14 6:00 PM
Clemson
Central Mich 9/27/14 6:00 PM
Toledo
Troy 9/27/14 6:00 PM
ULM
New Mexico St 9/27/14 6:30 PM
(17) LSU
Memphis 9/27/14 6:30 PM
(10) Ole Miss
Duke 9/27/14 6:30 PM
Miami-Florida
Texas State 9/27/14 7:00 PM
Tulsa
Washington St 9/27/14 7:00 PM
Utah
(8) Notre Dame 9/27/14 7:00 PM
Syracuse
(7) Baylor 9/27/14 7:00 PM
Iowa State
UNLV 9/27/14 7:00 PM
San Diego St
Illinois 9/27/14 8:00 PM
(21) Nebraska
Oregon State 9/27/14 9:30 PM
(18) USC
Nevada 9/27/14 9:30 PM
San Jose St
Toronto 40 FINAL
Brt Columbia 23
Edmonton 23 FINAL
Hamilton 25
Calgary 15 FINAL
Montreal 31
Ottawa 32 FINAL
Saskatchewan 35
Connect with twitterConnect with facebookConnect with Google+Connect with PinterestConnect with PinterestConnect with RssfeedConnect with email newsletters

ADVERTISEMENT

ADVERTISEMENT

ADVERTISEMENT

 
Close