High Pressure Power Steering Hose Can Leak Fluid on Buick LaCrosse

The high pressure power steering hose will commonly leak fluid; it should be replaced.

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Average mileage: 79,648 (46,000–154,000)
6 model years affected: 2005, 2006, 2007, 2008, more2009, 2010
23 people reported this problem
12 people shared problem details
2006 Buick LaCrosse121,000
3.6L V6 Lacrosse CXS. The power steering pressure hose leaked copious amounts of fluid at the pump-end fitting. This fitting has an internal seal that is designed to allow the metal part of the hose to float in the fitting even when the fitting is properly tightened. The only lasting repair is to replace the hose. Replacing the hose on the 3.6 engine is more difficult than average because the hose is a long multi-segment affair that wraps all around under the car. It takes about 3 hours of labor unless you have done it before. The factory repair procedure is misleading and confusing. It presumes a GM hose is being installed, which is not like the original hose, and that requires additional effort. The solution is to install an aftermarket hose such as Edelmann 92226; the brand does not matter, they are all the same. The procedure also calls for removing motor mount bolts and lifting the engine. I found that to be unnecessary. Remove the right side wheel and splash shield. Undo the two rack heat shield snaps using pliers and remove it . Take pictures to remind yourself how the hose is routed. Disconnect both ends of the hose. The pump end is best reached with a stubby 18mm wrench. Unhook and remove all of the plastic clips than hold the hose in place, and unhook the clips that retain a wire bundle to the hose. Remove the From underneath, pull the pump end of the hose down under the car, and let it hang. Begin to work the rack end out toward the wheel well; it is tight in there and it takes patience. As it comes out, you will be able to turn the metal part of the hose and feed it under the A/C compressor. Eventually, with careful twisting and turning, it will come out. The key is to use the space under the A/C compressor and forward to the radiator to maneuver the hose. With the old hose on the floor, under the car, observe how it is laid out. Put the new hose on the floor, laid out exactly the same. Feed the new hose, starting at the rack fitting end. From under the car, Feed it out toward the wheel well through the space under the A/C compressor between the engine and the front subframe cross rail. Once you geth that through, you can start to turn an maneuver the hose, and eventually it will fall into place. Remember to o-ring at the rack end, and tighten that end to no more that 20 lb ft. Lube all connections with ATF when installing. I hope this is helpful to someone.
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2007 Buick LaCrosse82,500
My son and I replaced the pump and we still had a leak. Took it to the dealer, mistake, and they said it was the rack. Got it home and 2 days later had a huge puddle on the floor. Took it back and they said it was the high pressure hose.
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power steering leak high pressure hose at pump, New hose leaks needs another part or new pump.
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2007 Buick LaCrosse60,000
High pressure line failed at line to fitting connection. New line from dealer installed $550.00.
2007 Buick LaCrosse50,000
Leak in steering system. Hose has hole being replaced 270 dollars
2007 Buick LaCrosse54,000
Fluid leaks 1qt 50 miles $800.00 to replace pump, still leaks.
2005 Buick LaCrosse69,000
leaking power steering fluid
2007 Buick LaCrosse93,450
It is leaking, will order parts and fix it myself
2008 Buick LaCrosse90,000
The car makes a whining noise and dark fluid dripped under car. The dealer says the leak is coming from the steering pump and steering gear (rack & pinon) and both need to be replaced: steering pump & plastic reservoir ($576), steering pump only ($376), but reservoir often breaks during repair, steering gear with alignment ($924), plus $52 to diagnosis ($1550 total). price includes tax & mr goodwrench multi-point vehicle inspection.
The hi-pressure PS hose was replaced @ 87000 miles due to seepage- not really a leak. Two qts of PS fluid was added. About 600-700 highway miles later, while maneuvering into a parking area the PS completely failed. I checked fluid level-which was OK. Left it overnite and in the morn checked for leaks under the car and fluid level in the pump- all OK. Started car and drove off as tho nothing was wrong- PS was working fine and still is @ 6000 miles later. Have checked w/ 2 Buick dealers and several auto repair shops- all totally baffled. This is a real mystery.
2008 Buick LaCrosse80,000
Same thing.. It has a protective hose on it that cause water to collect and rust out the line
2008 Buick LaCrosse46,000
The high pressure power steering hose leak fluid. We rreplacing the hose.
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I'm assuming that the hose should be tight. Is this a broker o -ring