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PostPosted: Wed May 13, 2009 12:10 pm 
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Joined: Wed May 21, 2008 8:50 pm
Posts: 2255
Location: North Florida
Year and Trim: 2006 Chevy Silverado LT
1989 Camaro RS LT1
The Truck: Chevy 1500 2WD Single Cab/Long Bed
The Issue: Either the leaf springs or the rear shocks are causing a nasty squeak every time I press down on the rear, shift weight (like when hitting the brakes after reversing), or hit a speed bump/railroad track. I have cleaned out the leaf's and sprayed them with lithium grease, checked the rubber bump stops, and looked at the bushings on the frame connectors for the leaf springs. I cant really tell if anything is wrong there. I did notice that part of the shocks had vertical scratches on them, but I dont know if that is abnormal. Does anybody have any suggestions that I could check out? GMPD has Delco shocks for 65.99 shipped, but if thats the issue, these only got 39,XXX miles. Any thoughts?

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--2006 Silverado LT-3/3 RCX Lift, Bilstien 5100's, CAI, Exhuast, BFG A/T's,
Tuners Inc. dynotune, Aeroforce Interceptor, Kicker 10" TC, iSimple Interface
--1989 Camaro RS-LT1/700r4 drivetrain swap, Corvette trans internals w/2200 stall,
rebuilt engine with LT4 cam


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PostPosted: Wed May 13, 2009 12:15 pm 
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Joined: Wed Jun 04, 2008 12:13 pm
Posts: 2707
Location: Homosassa Fl
Year and Trim: 2000 ssei
check the driveline, make sure it's not the drive shaft moving around or the tailshaft housing on the tranny bouncing. my 91 has a problem that makes a knock that sounds like it could be anything, and it is caused by the two bolts that hold the tailshaft housing to the crossmember backing out and allowing for drivline movement it took me forever to find it.

I don't know what the 4l65-e's case looks like to know if something similar could be the culprit

i really thought I had a piece of suspension bumping somewhere until i found this

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2000 ssei white debadged, autozone solid front mount, NGK tr55 plugs, Napa Beldin wires, MSD Coils, drilled slotted rotors, monroe max air rear shocks, 18" KMC Hot wheels redline w/ 235/50/18 bfg G-force tires, pioneer DEH-P580mp deck, Infinity Ref 6.5s and 5.25s, Kappa 6x9's on crossfire amp, kappa 12 on kenwood amp, and cleared headlights.
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Gumball wrote:
my pockets dont sag and are still kinda tight.


Last edited by swampthing on Wed May 13, 2009 12:17 pm, edited 1 time in total.

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PostPosted: Wed May 13, 2009 6:19 pm 
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Joined: Fri May 23, 2008 3:21 pm
Posts: 233
Location: lockport,il
Year and Trim: 95 sle
check to see its not a exhaust hanger/clamp / muffler hanger
my truck makes the same sound when hitting bumps.
i havent fixed it yet.

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tuffguyracing.com
83 regal 468 big block chevy
02 gmc k2500 6'' lift kit 35'' tall tires 148,000 miles original drive train
95 bonneville sle stock 230,000 miles original engine one trans rebuilt
95 bonneville ssei 163,123 miles rebuilt engine (mean green bonne) sold
95 chevy suburban k1500 203,000 miles wifes truck sold
01 ford f350 crew cab long bed 7.3l diesel 160,000


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PostPosted: Wed May 13, 2009 7:42 pm 
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Joined: Wed May 21, 2008 8:50 pm
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Location: North Florida
Year and Trim: 2006 Chevy Silverado LT
1989 Camaro RS LT1
I know it is not the exhuast. I am pretty sure I can rule the shocks out after more investigation today.

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--2006 Silverado LT-3/3 RCX Lift, Bilstien 5100's, CAI, Exhuast, BFG A/T's,
Tuners Inc. dynotune, Aeroforce Interceptor, Kicker 10" TC, iSimple Interface
--1989 Camaro RS-LT1/700r4 drivetrain swap, Corvette trans internals w/2200 stall,
rebuilt engine with LT4 cam


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PostPosted: Tue Jun 02, 2009 12:51 am 
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Joined: Wed May 21, 2008 8:50 pm
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Location: North Florida
Year and Trim: 2006 Chevy Silverado LT
1989 Camaro RS LT1
The cause of the noise was the "clips" that go over the outer 2 leafs. When the leaf flexed, they were grinding/vibrating (sounds dirty...). I sprayed the crap out of the clips (all 4, even though I think only 2 were doing it). The noise and vibration went away instantly when I sprayed them, so hopefully it will stay that way for a while. If not, I may need some advice on what to put on them.

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--2006 Silverado LT-3/3 RCX Lift, Bilstien 5100's, CAI, Exhuast, BFG A/T's,
Tuners Inc. dynotune, Aeroforce Interceptor, Kicker 10" TC, iSimple Interface
--1989 Camaro RS-LT1/700r4 drivetrain swap, Corvette trans internals w/2200 stall,
rebuilt engine with LT4 cam


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PostPosted: Tue Jun 02, 2009 12:59 am 
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Joined: Thu May 22, 2008 7:08 pm
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something heavier. motor oil, having a high film strength, is a good thing to drip over those types of things. won't wear out as quick as something in a can

guess i should track down the squeak in my RF suspension....yeah...maybe.

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Now: '15 Toyota Prius III | 134 hp 2ZR-FXE | Silver | 36k
Now: '03 Honda CR-V AWD | Slow 4-Cylinder | Dirt | 180k

Then: '07 Ford Fusion SEL | 221hp Gen I VVT Duratec 3.0 V6 | Tungsten Silver | 150k
Then: '99 Toyota Avalon XL | 200hp 1MZ-FE 3.0 V6 | Diamond White | 189k | Sold: July 2015
Then: '11 Ford Fusion SEL | 240hp Gen II VVT Duratec 3.0 V6 | Ingot Silver | 84k | Totaled: Oct 23 '14 (Rear-Ended)
Then: '96 Buick Park Avenue Ultra | 240hp Series II L67 | Medium Dark Lichen | Bought: JAN 11 @ 135k | Accident: FEB 3 '12 | Crushed: MAR 1 '13 @ 153K
Then: '98 Pontiac Bonneville SSE | 205hp Series II 3800 L36 | Topaz Firemist | Bought: NOV '09 @ 74k | Accident: MAY 28 '10 | Crushed: MAR 15 '11 @ 84k
Then: '93 Pontiac Bonneville SE | 170hp Series I 3800 L27 | Dark Yellow Green | Bought: JULY '07 @ 92k | Sold: JULY '12 @ 118k
Then: '89 Pontiac Bonneville LE | 165hp 3800 LN3 | Medium Garnet Red | Bought: JAN '05 @ 117k | Sold: SEP 30 '07 @ 152k


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PostPosted: Tue Jun 02, 2009 1:01 am 
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Joined: Wed May 21, 2008 8:50 pm
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Location: North Florida
Year and Trim: 2006 Chevy Silverado LT
1989 Camaro RS LT1
I doubt it will make that much of a difference, but the stuff I used was a "dry" lube, that was in a rattle can. It leaves a little bit of white residue where you overspray/coat stuff.

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--2006 Silverado LT-3/3 RCX Lift, Bilstien 5100's, CAI, Exhuast, BFG A/T's,
Tuners Inc. dynotune, Aeroforce Interceptor, Kicker 10" TC, iSimple Interface
--1989 Camaro RS-LT1/700r4 drivetrain swap, Corvette trans internals w/2200 stall,
rebuilt engine with LT4 cam


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PostPosted: Tue Jun 02, 2009 1:05 am 
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Joined: Thu May 22, 2008 7:08 pm
Posts: 5647
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Yessir. Got the same stuff in my truck's left storage box. Comes in handy lots.

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John
Now: '15 Toyota Prius III | 134 hp 2ZR-FXE | Silver | 36k
Now: '03 Honda CR-V AWD | Slow 4-Cylinder | Dirt | 180k

Then: '07 Ford Fusion SEL | 221hp Gen I VVT Duratec 3.0 V6 | Tungsten Silver | 150k
Then: '99 Toyota Avalon XL | 200hp 1MZ-FE 3.0 V6 | Diamond White | 189k | Sold: July 2015
Then: '11 Ford Fusion SEL | 240hp Gen II VVT Duratec 3.0 V6 | Ingot Silver | 84k | Totaled: Oct 23 '14 (Rear-Ended)
Then: '96 Buick Park Avenue Ultra | 240hp Series II L67 | Medium Dark Lichen | Bought: JAN 11 @ 135k | Accident: FEB 3 '12 | Crushed: MAR 1 '13 @ 153K
Then: '98 Pontiac Bonneville SSE | 205hp Series II 3800 L36 | Topaz Firemist | Bought: NOV '09 @ 74k | Accident: MAY 28 '10 | Crushed: MAR 15 '11 @ 84k
Then: '93 Pontiac Bonneville SE | 170hp Series I 3800 L27 | Dark Yellow Green | Bought: JULY '07 @ 92k | Sold: JULY '12 @ 118k
Then: '89 Pontiac Bonneville LE | 165hp 3800 LN3 | Medium Garnet Red | Bought: JAN '05 @ 117k | Sold: SEP 30 '07 @ 152k


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