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Chevrolet Impala, Sedan
#11480 of 13621 Rattling Brake Problem Solved!!
Feb 19, 2003 (8:27 am)
Thanks to sunsession in the Intrigue thread.
I wonder how many ISS lube kits have been performed when it wasn't that at all?
Brakes - Rattling Noise
File In Section: 05 - Brakes
Bulletin No.: 01-05-23-O11A
Date: February, 2002
Rattle Type Noise Coming from Front of Vehicle
(Install Front Brake Caliper Service Kit)
2000-01 Buick Century, Regal
2000-01 Chevrolet Impala, Monte Carlo, Venture
2000-01 Oldsmobile Intrigue, Silhouette
2000-01 Pontiac Grand Prix, Montana
This bulletin is being revised to remove Chevrolet Lumina from the Models
section and to update the condition information. Please discard Corporate
Bulletin Number 01-05-23-11 (Section 05 - Brakes).
Built Prior to the VIN Breakpoints shown.
Some customers may comment about a rattle type noise coming from the front of
the vehicle. This noise usually occurs at vehicle speeds under 48 km/h (30 mph)
and while driving over bumps. The noise can usually be eliminated by a light
application of the brake pedal.
This condition may be caused by too much clearance between the front brake
caliper bracket and the caliper pins in the bottom of the bracket bores.
Install front brake caliper service kits to both sides of the vehicle using the
following service procedure. Each kit contains 2 pins, 2 boots, and 2 packets of
1.Raise and suitably support the vehicle. Refer to Lifting and Jacking the
Vehicle in General Information.
2.Remove both the front tire and wheel assemblies.
3.Hand tighten 2 wheel nuts to retain the rotor to the hub.
4.Install a large C-clamp (2) over the top of the brake caliper and
against the back of the outboard brake pad.
5.Tighten the C-clamp until the caliper piston is pushed into the caliper
bore enough to slide the caliper off the rotor.
6.Remove the C-clamp from the caliper.
7.Remove the caliper pin bolts (3) and discard. New bolts are supplied
with the service kit.
8.Remove the caliper (1) from the caliper bracket (2) and support the
caliper with heavy mechanic's wire, or equivalent.
9.Using a flat bladed tool or punch, carefully tap the caliper pin boots
from the brake caliper bracket and discard.
10.Remove and discard the bushings from the brake caliper bracket bores.
Carefully insert a small screwdriver into the brake caliper bracket bore,
then rotate and pull the bushing outward to remove.
11.Remove the brake pads from the brake caliper bracket.
12.Thoroughly clean the brake caliper bracket bores of all lubricant.
13.Install the brake pads to the brake caliper bracket.
14.Lubricate the brake caliper bracket bores. Divide the large packet of
grease, P/N 18046532; put one-half packet into each bore.
15.Lubricate the new caliper pin boots. Use the small packet of grease,
P/N 18046645, only on the bottom internal threads (2).
16.Install the new caliper pin boots into the caliper pin bores (3) on the
bracket. Carefully tap boots into bores using a deep well socket or
17.Install the caliper over the rotor and onto the caliper bracket. Ensure
that the caliper pin boots are not pinched.
Important :The leading caliper pin, or top pin, has a bushing as part of the
assembly. The trailing caliper pin, or bottom pin, is a solid design.
18.Install the new caliper pin bolts (1). It is important to note which
caliper pin is designed for the correct bore. The leading caliper pin, or
top pin, has a bushing as part of the assembly. The trailing caliper pin,
or bottom pin, is a solid design. Ensure that the bolt boots fit securely
in the groove of the pin bolts. Be sure not to pinch or tear the boots. If
the boots are damaged, they must be replaced.
Tighten the bolts to 95 N.m (70 lb ft).
19.Remove the 2 wheel nuts retaining the rotor to the hub.
20.Repeat the above steps for the other side.
21.Install both the front tire and wheel assemblies. Tighten the wheel
nuts using the J 39544 kit.
22.Lower the vehicle.
Parts are currently available from GMSPO.
For vehicles repaired under warranty, use the table.
b4z--I just had this work done on my 2000. No More rattling. (Ken)
#11481 of 13621 reply drivinsfun
Feb 19, 2003 (8:35 am)
I agree, importing the Monaro is a great idea. But if I wanted performance I would just go ahead and buy the 03 Covette, the best production sports car available IMO.
Most of the truck based SUVs will have to be redesigned to meet new safety regs and because fewer people will buy them with gas selling above $2. That will take lots of retooling. If GM and DC go to RWD they will essentially cede the sedan market to the asian manufacturers, leaving them to duel it out with the euros for a minor share, not a likely senario. You can believe Lutz is listening to the cash register.
#11482 of 13621 More opinions on 2004 SS
Feb 19, 2003 (9:31 am)
I agree with everyone that FWD and 240HP make for a great car and I still like the looks of the Imapala. Where GM screwed up is simple:
1. How can it take until summer for this model to be available when the supercharger has been out forever in the Bonny and Regal not to mention the upcoming GP. And they made essentially no cosmetics changes. Explain this to me Mr. Lutz
2. No major cosmetic changes. Not even HID lights to change the look from the LS. No three spoke steering wheel. Only the usual embroided logos and larger wheels.
3. Price - how can they expect to charge $3000 more for the SS. C'mon $32K for this package is a joke.
The sad part is that I still want because I love the Imapala look. However, you can add a dual exhaust tip and the 17" wheels to an 02 or 03 LS and walk away just as happy for a lot less. Or buy a used 1996 SS.
Just my 2-cents worth.
#11483 of 13621 b4z - brake rattle
Feb 19, 2003 (9:43 am)
Hmmm...I wonder if that's what I'm experiencing with my '01 LS? Did you actually hear the rattle, or did you feel it in the steering wheel?
I have a rattle that developed about 1000km ago. I feel it in the steering, particularly when driving in the city. Sounds suspiciously like what you've described. I too thought it was the ISS needing another lube kit. Maybe I'm wrong?
Feb 20, 2003 (3:11 am)
How can I tell the exact date of manufacture on my vehicle?
#11485 of 13621 Date of manufacture sticker (For Karman)
Feb 20, 2003 (6:16 am)
To locate the date of manufacture sticker in your Impala, just open the driver's side front door and locate the sticker on the door's jamb near the lock mechanism.
The date will be shown in MM/YY, for example 4/01 for made in April 2001 and so forth. The sticker also tells you were the car was made. All Impalas are currently manufactured in Oshawa, Ontario Canada only.
If the sticker is missing from that location, reject the car as there is a possibility the car is salvaged or has severe accident repair.
I hope you didn't buy that overpriced Impala with accident damage.
E-mail me if you have any further questions.
Feb 20, 2003 (6:18 am)
Also with your VIN serial number, any GM dealer in the US or Canada should be able to tell you the actual manufacture date of your GM vehicle.
Feb 20, 2003 (6:34 am)
So if you've got the ISS problem, you should feel/hear the "thump" when the brake is applied (especially when turning the wheel), but if you've got the brake rattle only, you should NOT hear noise when the brake is applied; right?
#11489 of 13621 Which Warranty to purchase?
Feb 21, 2003 (10:00 am)
I have a 2000 LS and the warranty is going to expire this year. Can you tell me where to purchase a good extended warranty? I'm so worried about paying for one and then not having the service shop not except it. Any help is appreciated. Thanks.