P/S Whine on cold start up (TSB)-FYI
#1
iWhine S/C 6MT TL
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P/S Whine on cold start up (TSB)-FYI
I noticed on a very cold morning I had a power steering whine/moan. As I was driving to work the noise was going away. Arriving at work I decided to look at the power steering fluid. It was a bit foamy.. So where was the "Air" coming from. Being an Automotive Technician, I was able to look up all current TSB's. I located the perfect match.
This 0-ring took me about 2 min's to swap. It's about 50 cents from acura. Here is the TSB.
---------------------------------------------------------
07-060
December 1, 2007
Applies To:
2004-07 TL - ALL
Power Steering Moans or Whines
SYMPTOM
A moan or whine is heard when turning the steering wheel when the engine is cold. There may be air bubbles or foam in the power steering reservoir. The noise usually goes away when the engine warms up.
PROBABLE CAUSE
Air enters the power steering pump through the inlet joint 0-ring.
CORRECTIVE ACTION
Replace the 0-ring on the power steering pump inlet joint.
PARTS INFORMATION
0-ring: P/N 91345-RDA-A01
REQUIRED MATERIALS
Acura Power Steering Fluid: P/N 08206-9002 (One container repairs about 12 vehicles.)
WARRANTY CLAIM INFORMATION
In warranty:
The normal warranty applies.
Operation Number: 5121B5
Flat Rate Time: 0.3 hour
Failed Part: P/N 91345-PAA-A01
Defect Code: 07408
Symptom Code: 04201
Template ID: 07-060A
Skill Level: Repair Technician
REPAIR PROCEDURE
1. Remove the right side engine compartment cover
2. Remove the bolt holding the inlet joint to the power steering pump housing.
3. Place a shop towel under the pump inlet.
4. Twist the inlet joint back and forth until it is loose, then carefully disconnect the joint and point the hose upward to minimize fluid loss.
5. Remove the inlet joint 0-ring.
6. Apply power steering fluid to a new 0-ring, and install it on the inlet joint.
7. Install the inlet joint, and torque its bolt to 11 N.m (8 lb-ft).
8. Top off the power steering fluid, if needed. Start the engine, and let it idle. Confirm that the noise is gone and that the system is operating properly.
9. Install the right side engine compartment cover.
This 0-ring took me about 2 min's to swap. It's about 50 cents from acura. Here is the TSB.
---------------------------------------------------------
07-060
December 1, 2007
Applies To:
2004-07 TL - ALL
Power Steering Moans or Whines
SYMPTOM
A moan or whine is heard when turning the steering wheel when the engine is cold. There may be air bubbles or foam in the power steering reservoir. The noise usually goes away when the engine warms up.
PROBABLE CAUSE
Air enters the power steering pump through the inlet joint 0-ring.
CORRECTIVE ACTION
Replace the 0-ring on the power steering pump inlet joint.
PARTS INFORMATION
0-ring: P/N 91345-RDA-A01
REQUIRED MATERIALS
Acura Power Steering Fluid: P/N 08206-9002 (One container repairs about 12 vehicles.)
WARRANTY CLAIM INFORMATION
In warranty:
The normal warranty applies.
Operation Number: 5121B5
Flat Rate Time: 0.3 hour
Failed Part: P/N 91345-PAA-A01
Defect Code: 07408
Symptom Code: 04201
Template ID: 07-060A
Skill Level: Repair Technician
REPAIR PROCEDURE
1. Remove the right side engine compartment cover
2. Remove the bolt holding the inlet joint to the power steering pump housing.
3. Place a shop towel under the pump inlet.
4. Twist the inlet joint back and forth until it is loose, then carefully disconnect the joint and point the hose upward to minimize fluid loss.
5. Remove the inlet joint 0-ring.
6. Apply power steering fluid to a new 0-ring, and install it on the inlet joint.
7. Install the inlet joint, and torque its bolt to 11 N.m (8 lb-ft).
8. Top off the power steering fluid, if needed. Start the engine, and let it idle. Confirm that the noise is gone and that the system is operating properly.
9. Install the right side engine compartment cover.
#3
now with four rings
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sweeeeeeeeeeet....thanks for this...
at first i thought it was my CAI making that noise for being cold...then after turning my wheels a few times i figured it was my power steering fluid...
at first i thought it was my CAI making that noise for being cold...then after turning my wheels a few times i figured it was my power steering fluid...
#4
iWhine S/C 6MT TL
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bump
It's getting colder!
It's getting colder!
#7
I found the actual TSB (technical service bulletin) 07-060.
http://www.in.honda.com/Rjanisis/pubs/SB/b07-060.pdf
I asked Pleasanton Acura for a price quote and they came back with $175.00. Instead of leaving them my car, I went to Parts and bought an O-ring for $2.17. I went home and followed the TSB. 15 mins later, it was done. The next morning at 42F, I started my TL and the noise is gone. That was the day before Xmas 2008.
http://www.in.honda.com/Rjanisis/pubs/SB/b07-060.pdf
I asked Pleasanton Acura for a price quote and they came back with $175.00. Instead of leaving them my car, I went to Parts and bought an O-ring for $2.17. I went home and followed the TSB. 15 mins later, it was done. The next morning at 42F, I started my TL and the noise is gone. That was the day before Xmas 2008.
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#8
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i have same whining noise that started when it got cold here in cincy. my fluid level is at spec... when i cut the wheel back and forth the pump whines worse and the wheel drags. in the cases above was the whine from air getting past the seal? mine is definitely a "low fluid' type sound. i cant imagine a seal would fix my issue? gonna get under the car today to see whats up.d
thanks
thanks
#10
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awesome.....i was at the dealer about two weeks ago and i showed the guy the problem and it wouldnt make the same sound cause the car was all warm but he didnt know about any tsb....i guess i gotta go back and see em again.
#11
iWhine S/C 6MT TL
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i have same whining noise that started when it got cold here in cincy. my fluid level is at spec... when i cut the wheel back and forth the pump whines worse and the wheel drags. in the cases above was the whine from air getting past the seal? mine is definitely a "low fluid' type sound. i cant imagine a seal would fix my issue? gonna get under the car today to see whats up.d
thanks
thanks
#14
'06 TL 5AT NAV Anthracite
Has anyone had the TSB work done and still experiencing this problem? I ask because, supposedly the dealership did this work on my car over a year ago, but I still have this problem (noise on cold mornings and foamy looking P/S fluid). I recall them mentioning a hose, but not the O-ring. Do these O-rings go bad???
#15
Safety Car
Pick one up from your local HONDA dealer (cheaper...by 10x)
#16
Safety Car
Has anyone had the TSB work done and still experiencing this problem? I ask because, supposedly the dealership did this work on my car over a year ago, but I still have this problem (noise on cold mornings and foamy looking P/S fluid). I recall them mentioning a hose, but not the O-ring. Do these O-rings go bad???
Yeah, I hear you man. I had the re-call done immediately when it was first announced. I fixed the problem via Majofo's DIY roughly a month ago. I've been problem free since; I don't have such a hard time turning the steering wheel either...which is a nice plus. As I mentioned in the prior post, it's A LOT cheaper if you go to your local Honda dealer - most likely won't have in stock, but mine took 3 days to get in...no biggie. THE PROBLEM with the old O-rings - over time, they shrink and distort, letting air into the reservoir/system. You lose pressure (I think that's what it is) and you hear the whine.............it gets harder to turn the wheel too.
#17
iWhine S/C 6MT TL
Thread Starter
iTrader: (1)
Has anyone had the TSB work done and still experiencing this problem? I ask because, supposedly the dealership did this work on my car over a year ago, but I still have this problem (noise on cold mornings and foamy looking P/S fluid). I recall them mentioning a hose, but not the O-ring. Do these O-rings go bad???
#19
'06 TL 5AT NAV Anthracite
I had this work done at Rosenthal Acura yesterday. I'm not sure if they did it as goodwill or what, as I have an AcuraCare extended warranty. This morning when I started my car it was 36 degrees and got no power steering whine.
While there I saw a ZDX parked outside. I think it's a strange animal, but I don't dislike as much as when I saw it in pics.
While there I saw a ZDX parked outside. I think it's a strange animal, but I don't dislike as much as when I saw it in pics.
#20
Not all O-rings replaced under TSB
I noticed in a later TSB that many times when the power steering hose was replaced, the O-ring was not. If the old O-ring is black it was not replaced.
I bought a CPO 2006 TL that noted that the power steering TSB was done but I am getting the whine in the morning. I have to assume that they didn't replace the O-ring at that time or I need a new pump.
Cheers
mrjazz
I bought a CPO 2006 TL that noted that the power steering TSB was done but I am getting the whine in the morning. I have to assume that they didn't replace the O-ring at that time or I need a new pump.
Cheers
mrjazz
#21
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Out of curiosity, how cold is it exactly when your power steering whine occurs/occured? I had the recall work done last year (after the my hose actually cracked ) But I still get a whining noise when my engine is cold on extremely cold days - starting at around 0 degrees F. I don't think it's related to the power steering because there is no more or less noise when the wheel is turned.
#22
Intermediate
I'm glad everyone has found this repair to be easy! Why is it so difficult for me? There is a great video regarding the steps to this as well :
http://www.youtube.com/watch?v=Wf-_qp1y4yc
He says 1/4 inch swivel socket but for me 10mm fits - however there is very little room to work - the knuckle on my swivel socket will not fit, nor a gear wrench or stubby unless I can find an open ended adjustable head. The needle head pliers are starting to strip the bolt. Could you please tell me the exact size and brand of tool you used? Mine is a 2004 TL 6 speed standard - it seems the casing of the tube is blocking the access to the bolt. (i"m working on grinding that down unless you have a better idea)
Seriously appreciate your help. The concept is easy but I need the correct tools!
http://www.youtube.com/watch?v=Wf-_qp1y4yc
He says 1/4 inch swivel socket but for me 10mm fits - however there is very little room to work - the knuckle on my swivel socket will not fit, nor a gear wrench or stubby unless I can find an open ended adjustable head. The needle head pliers are starting to strip the bolt. Could you please tell me the exact size and brand of tool you used? Mine is a 2004 TL 6 speed standard - it seems the casing of the tube is blocking the access to the bolt. (i"m working on grinding that down unless you have a better idea)
Seriously appreciate your help. The concept is easy but I need the correct tools!
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