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Comments
--Robert
When I changed my radiator the mechanic put in the green stuff and the pellets. I have not had a problem with the car in the way of over heating or damage to the NorthStar.
By the way, 99,153 miles. I am wondering where I will be when I finally roll it over.
Henri
You have received a few responses to your post; I'll add my $0.02 (where did that come from?). The GM line is that sludging has been caused by excess air in the cooling system, especially with the 4.3 V6 engine. Therefore, if you use the orange or pink stuff, keep the system full. There have been some claims that GM stopped recommending the crushed walnut shells -- not true for our aluminum Northstars. The tabs are cheap, even from a dealer -- about $3 for six. The additive package in the coolant is claimed to have properties to reduce cavitation in the water pump and to increase water pump seal life.
My '97 with 115,000 miles is eight years old this month. Three years ago I drained and flushed the cooling system and refilled with 55% Havoline Dexcool and 45% distilled water. Flushing it completely was such a pain that I have taken a different approach which I think will accomplish the same goal -- each year I drain one gallon and replace with the same 55/45 mixture. I also remove and rinse out the surge tank at the same time.
Get LIVE feedback on your maintenance or repair problems. Join our guest experts alcan, 0patience, and mr_shiftright as they tackle your fix-it questions!
First off, thanks pmontgomery for the info on where the water pump belt is. I assume when you say its on the opposite end of the motor, you mean the driver side of the block? Hmm, that cant be, can it? Maybe you mean the top part of the passenger side of the block. I'll look near the valve covers on both sides and see what I can see.
Secondly, new problem - I noticed tonight that my lights are flashing on and off, so I got the standard multifunction lever problem. My friend Joe, who owned this 96 Aurora before me, had the dealer fix it for big $$$ like 70K ago (current milage 140K), so I guess a replacement wand is subject to the same issue the original is. Cannot get contact cleaner until tomorrow, so I disconnected the battery to keep it from going dead. I have only seen one other person have this issue in Sept, as it appears this issue occurs with high heat and humidity. Currently its drizzly and 60 outside.
The Aurora has to take my wife to Boston reliably on Saturday so I am hoping that tomorrow the contact cleaner will fix this. I plan to reconnect the battery, pull back the rubber boot on the multifunction lever, look for the brass contacts and spray away while rotating the switch. Any other places that I should spray that could be affecting this problem?
Thanks!
Maytag
Google for "Aurora multifunction switch" and this will take you to another web site that has automotive forums (hint hint) which I can't directly post the link. There are detailed instructions there. Or, email me for them. You will probably want to do more than just shoot contact cleaner in there.
--Robert
still without his GTO
You will need to gain access to the rotating contact part of the switch that is hidden under the steering wheel covers but you will not have to remove the switch in order to clean it. You will need to buy a can of electrical contact cleaner and a can of compressed air like you use for keyboards. Both can be had at Radio Shack and both come with the red extension tube that fits the spray nozzle. First move the seat all the way back, then disconnect the battery, remove the sound deadeners, remove the two 10mm bolts at bottom of knee bolster, use your fingertips to pry the sentinel/dimmer assembly and trunk/fuel door release assembly from dash (leave harnesses connected and let dangle) to expose the remaining two 10mm bolts securing knee bolster, remove knee bolster, remove 10 amp fuse for Air Bag, disconnect SIR (air bag) yellow connector at lower left corner behind ins panel, tilt wheel up, use 3/16 or 5mm nutdriver to remove 3 screws securing steering wheel top cover (note that 1 screw is accessed thru the opening for the tilt lever while the other 2 are located on either side of the column closest to the lense/guages), remove 3 more of the same small tapping screws securing the lower steering wheel cover to column, remove black ring of text around ignition lock by pulling straight out, upper and lower covers can now be unsnapped and removed. With your left ear against the mirror control looking just forward of where the stalk goes to the column, you will see 5 tiny holes in a semi-circular pattern. When turning the headlamp switch you can see the contacts moving from hole to hole. Spray contact cleaner in the holes and immediately follow up with the compressed air can to flush out the contact cleaner. Move the headlamp switch rapidly thru all the detents and repeat several times with the contact cleaner followed by several bursts of compressed air to flush out the excess cleaner and dry. When finished, wait 30 minutes to make sure contacts are thoroughly dry then reconnect battery and test. Hopefully all is well and like me you just saved some major $
Paul (aka thumpin455)
I would like too clarify a few things. The semi-circular hole pattern is about the diameter of a nickle. There will be five tiny holes at the 12:00, 2:00, 4:00, 5:00, and 6:00 o'clock positions. Use the Radio Shack #64-4315 Contact/Control Cleaner Lubricant and the Radio Shack #64-4351 Velocity Dust Remover Spray as your compressed air follow up. Both of these have the little red straw nozzle allowing you to spray directly into the 5 tiny holes on the switch at point blank range. Use towels and be very liberal with both. Spray cleaner into each hole several times while working the switch. Spray the compressed air into each hole while working the switch. Repeat 10 or 12 times and that should do it.
Paul
Thanks much for the additional info. I did a google search and did find another forum but the info was not detailed and did not help, I dont think I found the "desired" site... I had gone to Radio Shack on Fri afternoon and got the contact cleaner. That evening, I pulled the rubber boot on the switch and started spraying where the switch inserts into the column. I waited a bit and reconnected the battery and the problem was still apparent. I sprayed some more, but to no avail. My wife had to take my 87 442 into Boston in the rain on Saturday, I was really sad about that... But with the detail provided, I am hoping the Aurora will again be returned to service.
Thanks!
Maytag
My 84 H/O was a daily driver rain or shine until it got stolen in the summer of 89. If I had it today it would have since earned a spot in the garage and my poor old roara would be out in the rain.
Paul
Currently my vehicle is hesitating. At idle there is a slight knock/shutter every few seconds sometimes not even noticeable. When accelerating you can feel the lack of power but the engine runs smooth however when the vehicle gets into fourth gear and low 1500 rpms the hesitation is much more pronounced. At higher rpms and highway speeds the engine is smooth however still with the lack of power. I have changed all the plugs/wires/coils/control module with AC/Delco OEM parts. Plus have installed a new PVC valve and fuel filter. After I did the above the car ran fine for a few weeks then the same problem occurred again. I had AutoZone run the codes which came back O2 sensor high voltage and cylinder 7 misfire. I changed the # 7 spark plug again with AC/Delco platinum for another $6. Car ran fine for a few days then the same problem. Same cylinder # 7 misfire although I pulled the plug out it looks fine however there is oil on the threads and on the tip of the plug. Is this normal? So before I change my third # 7 plug what else could be my problem? I would hate to have to bring in the car to the dealer since I have not had to yet except for the recall. Any advise would be greatly appreciated! Thanks in advanced.
Try searching eBay "1997 Aurora Service Manuals" include the year of your car and don't buy the wrong year. I found a three book set for our '97 "G" Body (Aurora and Rivera) for $69. and an Aurora owners manual for $15. Start with the owner's manual. You will learn more about your car in that small book that fits in the glove compartment.
I have owned two 4cyl. SAAB 9000s over the past 18 years and only once in 250K miles was the old ’87 out of service when I needed it (idler pulley bearing failed). My ’93 has never had anything worse than a battery problem in 100K miles and it is still running like new. I sure hope GM “limits its improvements” on the SAAB. If I don’t find a resolution for my Aurora’s warm starting problem soon, I will find myself a nice clean ’97 SAAB 9000 AERO hatchback, a real SUV not a gas guzzling tank. I will settle for an American Classic Oldsmobile from the '50s for my toy.
I think it's right under the plastic engine cover.
I hope some others can confirm this or offer something else.
Overall it was a very pleasant experience. I just hope I never have to go back!
Anyway, I've had this 97 for 8 days now. When I first filled up with premium at Speedway/Marathon
it set off the SES and the code was water in fuel. Bought a can of dry gas, light went out. Filled up again yesterday and the light came on again. Does anyone living in the Ohio/Kentucky/Indiana/West Virginia area know of a good fuel for these cars. My choices in Cincinnati are Shell, BP, Speedway (this is the one causing problems), Thornton's, and that's about it. Sorry for the lengthy message but if anyone can help, please let me know.
Greg
'96 Aurora
First, whatever the pipe in the front is, the one that goes from the intake elbow to next to the oil cap, I think front PCV?, they had a rubber piece clamped over it, like it was in two piece. The guy said "That's the way we got them from Oldsmobile. I know, I picked them up myself." When I got home, I pulled the hose and it was definetly broken. Just want to make sure you guys didn't get a new piece with your recalls.
My other concern, is that he told me that, its just an inspection of the fuel rails and a replace of the lines. I can tell there's new connections by the brake booster. I have to go make sure I got the complete set of lines and check they didn't con me there either.
It just sounds like you guys got new stainless steel fuel rails. Did the service guy say anything that sounded like this? Does that mean, your rails were in bad shape and mine are good?
I just really feel like I got the fork up my rear end.
I know there are differences between '95s and later Classics, so my experince with my '97 may not apply. That pipe is PCV; the dealer did not change mine for the recall. Aside from the recall, I have had a problem with that pipe because it is too short. I had to add a hose clamp on the driver side to keep the pipe from pulling out of the rubber grommets.
The new stainless steel fuel rail cannot be missed. I find it hard to believe that an inspection would indicate no need to replace the original fuel rail nylon pipes. I believe the '95s also get new fuel lines back to the tank. That is not the case for later years. I have been curious why not.
Hope this helps.
Les
I would go back and tell them that if they don't repair it I your going to call of the U.S. Department of Highway Safety, (the ones that issued the recall) and have a little conversation with them.
He's not mechanically incline and the car is too far away for me to trouble shoot it. (Frankly it was sold as is) but I am a good guy and I want to help him out. Any Ideas what would cause this electrical issue? Any relays or fuses I should have him look at? I was thinking maybe they tried to jump start someone and shorted out the electrical on the body? Anyone seen or heard of this before.
Henri
I also was driving down the highway the other day, and my doors unlocked, computer went off, and the engine shut off while I was driving! Yikes! My radio stayed on though which was weird. It does this here and there, but the ignition problem stays the same.
What are the problems, and what can I do about these problems, and how much does it cost to repair? Thanx!
Henri
The car has 129,000 miles but otherwise runs fine.
Are these located inside the trans pan? Are they easy to replace?
Please advise any thoughts as I am debating on whether to buy this car as is.
paul
I posted a question on this yesterday but no replies as yet.
How do I check to be sure and if it is solenoids how are they replaced? Thanks
Just wanted to say thanks, as a few weeks ago I was able to get things all apart with the great instructions and clean up the switch contacts. The problem was resolved and has not come back. Now just to get to that water pump belt!
My 84 HO was stolen in '99 out of the interior shop that was doing the headliner. I got paid back by the insurance company, so I picked up an 83HO. Fun fun fun!
Thanks for the help!
Rob
I have seen how-to descriptions posted... not sure if on this site or another site with automotive forums (hint hint). In any case, Google is your friend... might search on "Olds Aurora" or "Oldsmobile Aurora" and transmission shift solenoid.
Hope this helps,
--Robert
John
My warranty is through 1Source and they've been OK - paid out about 3x the cost of my warranty. They only were a litle difficult when I needed the "Northstar rear engine block seals" job, which was $1800 - sent out an inspector, had to send them a bunch of oil change receipts, took awhile to approve the repair, and paid out about $1300 of the total cost. They did stand behind the warranty and pay for most of the repair.
--Robert
--Robert
John
I know there have been many people who have gone thru this problem with solenoids so please hekp with what the replacement entails. This is prior to me just taking it to the dealer. Thanks!!
paul
"Here is that part number and related info:
Bulletin No.: 77-71-73
A/T - Revised Serviceability of 1-2/2-3 Shift Solenoids
Date: January, 1998
INFORMATION
Subject:
Service Availability of 1-2 and 2-3 Shift Solenoids
Models:
1993 Cadillac Allante
1993-98 Cadillac Eldorado, Seville
1994-98 Cadillac Concours
1996-98 Cadillac DeVille
1997-98 Cadillac d'Elegance
1995-98 Oldsmobile Aurora
with HYDRA-MATIC 4T80-E Transaxle (RPO MH1) and with 4.0L, 4.6L Engine (VINs C, Y, 9 - RPOs L47, LD8, L37)
During the 1996 Model Year, transaxle Julian date 047, a new 1-2, 2-3 shift solenoid assembly, and a pressure control solenoid valve fluid filter retainer, were implemented on the 4T80-E transaxle.
All transaxles with a Julian date prior to 1996, 047 must be serviced with a service kit - 1-2/2-3 shift solenoid valves, which is available at GMSPO. This kit, P/N 24211355, contains the 1-2, 2-3 shift solenoid valves, the pressure control solenoid valve filter, the pressure control solenoid valve fluid filter retainer and the bolt to hold the retainer to the lower control valve body. All components in this kit must be used when servicing these transaxles.
1996 transaxles with a Julian date after 047, and 1997 through 1998 transaxles, should be serviced with individual components.
Here is the procedures I used.
a) the job is a mess, be prepared.
b) drop the pan, and careful removing the tranny gasket, it is re-usable. Once you clean the pan, you can reset it with gasket sealer.
c) disconnect the solenoid electrical connectors and the mechanical linkage. The linkage has a metal clip you lift and slide.
d) remove the valve body screws, and drop the valve body.
e) place the valve body where you can afford a mess, it will continually leak. Best thing is to set it on cardboard on a bench. There is a valve spool that can be removed as well, careful it can slip out, you don't want to damage it.
f) remove the two clips holding the solenoids, careful they are spring-loaded and will fly
g) remove the screws holding the "large" portion of the valve body split, this is where the solenoids are incased. Remember the screw locations, there are about four different screw lengths
h) CAREFULLY remove split, there are 4 steel check balls loose inside the split (about 1/4" diameter, they will fly, as well)
i) inspect spacer plate, if the black coating is not chipping off you can re-use it, otherwise plan on spending another $ 70 at the dealership parts house. If you replace it you will have to remove the "smaller" split, as well. It also has three check balls.
j) replace the solenoids
k) now comes the fun,....you will note three holes in the spacer plate where three of the check balls reside, seat them there (appr. 3/16" diameter with a smaller relief hole next to it, as I remember). The fourth check ball will need to be inserted in a spherically-cast cavity which is near one the solenoids. You can set it with grease, I re-assembled successfully without using grease.
l) re-assemble valve body, carefully and equally torque.
m) you will note a square black plastic item near one of the solenoids, on the end. Replace this plastic filter with the new filter in the solenoid kit. The kit will also come with an L-shaped bracket that is to be used to "capture" this filter and keep it from backing out. The kit also comes with a slightly longer screw used to mount the bracket to the valve body (discard the old screw).
m) re-assemble valve body to transmission, hook up linkage and electrical connectors
n) replace both tranny filters
o) replenish fluid
p) reset codes
While you have the trans pan off take the time when you are finished changing the solenoids to remove the "hidden" drain plug for the trans side cover. It is over towards the left side of the car/trans and within the area normally covered by the bottom pan. You will drain about 5 more quarts of old fluid out of the trans that is stored in the side cover for a more complete change of trans fluid while you are at it."
Again, these are not my instructions. I just Googled for "Oldsmobile Aurora" "shift solenoids" replacement and found this article on the first page of results.
Hope this helps,
--Robert
Hope this helps,
--Robert
Thanks again. I will do another search and see what more I can find but this description is really good.
paul
Greg
What other items are problem areas that are common to these? It will be a prime time to get any/all work done. Thank you.
paul
Intake air sensor seats just fine and wires are in good shape. Is this an expensive fix? And, exactly wha does this thing do?
Thanks,
John
I have the GMPP Warranty, I don't have the other one (GM Major Guard) I don't know if there the same, but they should be, I have never had a problem with mine, I paid like a little over a grand for it and never had any problems with them covering stuff, and let me tell you I used my warranty for everything, from the sunroof, to the radio power antenna, door locks and handles, scratch inside of my passenger front window, to a blown AC motor, and other stuff, that GMPP Warranty is like the best thing, and I go get my Aurora serviced at a Cadillac dealer.
I would find some info on the GMPP Warranty just to compare.
Let me know, which one you go with.
Javs.