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Chevy Express/GMC Savana: Brakes

43 messages,  Last post on Jun 15, 2009 at 5:24 PM

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#34 of 43 Re: 2001 Express 3500 15 Passenger Brake Problem [waltben] by brianjsharkey Nov 15, 2007 (8:05 pm)
Replying to: waltben (Sep 06, 2007 11:46 am) I am having this same problem with a 1997 3500 express Van. The brakes are super sensitive after the van sits overnight. Slaming on the brakes at 10 miles per hour makes the problem go away for the day. I pulled rear drums and looked at front rotors. All looked good. No fluid leaks. Van only has 9,000 miles on it. No anti lock lights on the dash? Can any one help?
#35 of 43 Re: Severe Vibration while Braking on Grade [dasgoob] by praugh May 03, 2008 (6:50 am)
Replying to: dasgoob (Oct 29, 2007 8:11 pm) I've had the same exact problem with my '05 2500 12 passenger van. Going down an extended grade, while using the brakes, I'll get a vibration that gets worse and worse. It seems like it must be heat related, because it doesn't do it in the winter and when it does do it in the spring, summer, and fall, it goes away as soon as I'm not using the brakes much.   Have you found out the problem with yours?
#36 of 43 Re: Chevy Express brake light problem [exner] by leadfootram Aug 08, 2008 (6:36 pm)
Replying to: exner (Dec 19, 2005 1:47 pm) I have a 1997, 3500 with 412+000 miles on it and the intake manifold gaskets were leaking. Replacing them did the trick but while all of that was apart I also had the fuel pressure regulator replaced also. It's alot easier to do it now than later since it is located inside the intake manifold. If you've noticed it takes a few more cranks for the engine to start that's usually the problem.
#37 of 43 Re: Chevy Express brake light problem [allboats] by chevyexpress99 Mar 28, 2009 (12:56 pm)
Replying to: allboats (Jan 17, 2006 5:41 pm) I saw your post about replacing the intake gaskets on your 99 Chevy Express. I have a leak and wasn't sure if the intake gasket is the gasket between the water pump and the engine? Please confirm. Thanks.
#38 of 43 intake gasket by 1320jon Apr 17, 2009 (12:27 pm)
the intake gasket is two large peices and two small bridges. The intake is the peice that is directly in the center top of teh engine. On a 99 the tbi bolts to it. The end gaskets are just rubber bridges that most mechanics never use. Most used permatex instead as a bead along the top of the engine block. I use "the right stuff"   The side (actual intake gasket) sits on the cylinder heads on each side, the intake bolts down to the heads with the bridge of the block itself in the middle at teh front and back about 7 inches across.   An intake gasket leak would be rare, and might be possle to fix just by tightening the intake down a bit. Most common is an oil leak from the back along the bridge area. I think the information regarding the fp regulator being in the intake is incorrect. Most are on the the intake, but on a tbi injected 99 model I dont think its even near the tb. It ma even be regulated in the tank.   The gaskets are about 20-30$.......and it would take awhile to do. In my van I have to remove the front seats just to get the dog house off.......
#39 of 43 brake lights by jrg38 Apr 17, 2009 (2:22 pm)
This will sound over simplisticbut double check your fuses there is one that says brake,. and one on the bottom that says stop.
#40 of 43 disc brake conversion by jrg38 Apr 17, 2009 (2:26 pm)
I have a 1999 gmc savana conversion van that I would like to convert the rear brakes to disc, it has 11in drums currently. does anyone know of a kit that will convert without mods?? Replies to this message: 1320jon (Apr 19, 2009 9:03 am) jrg38 (May 02, 2009 5:53 pm)
#41 of 43 Re: disc brake conversion [jrg38] by 1320jon Apr 19, 2009 (9:03 am)
Replying to: jrg38 (Apr 17, 2009 2:26 pm) most of the stopping power is on the front. Itmat serve you much better to do the front first. There are many options, I know there is a 14 inch rotor kit for about 650$ that goes on the front. This will substantially improve braking. Drums actually work very well (even better then discs) when only used once. For one stop drums are fine. For repeated stops, racing, trying to slow a heavy load going down a hill is where drums fade, and discs shine.   you do need atleast 18 wheels to clear the large rotors. I scored a bear brake systems aluma brake system from a guy with a denali trading it in. The bear system is (4) 14 inch rotors with 4 piston calipers, I ve never been into brakle systems....I build power for going fast. So far the bears have saved it twice from accidents....and the stopping is incredible. I run 20 inch wheel with 275 tires too. Replies to this message: jrg38 (May 02, 2009 5:53 pm)
#42 of 43 Re: disc brake conversion [1320jon] by jrg38 May 02, 2009 (5:53 pm)
Replying to: 1320jon (Apr 19, 2009 9:03 am) What year was the denali & did the rear disc work without any mods?
#43 of 43 Electrical problem by mas1169 Jun 15, 2009 (5:24 pm)
I have a 2002 Savana 3500 cutaway box truck with 5.7 L gas. The other day I noticed my speedometer seemed to be hanging up and not working correctly. When I got out of the truck with it still running my daytime running lights(which in 2002 is still part of the headlights) were alternating like an emergency vehicle. When I turned the actual headlights on at the switch the alternating stopped but when switch was turned off they started alternating again. This has happened only one time since but both times it involved the same symptoms with the speedometer acting up and the drl's alternating. Anyone have any ideas?

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