oil problem
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Dannyg420
- SLE Member

- Posts: 63
- Joined: Sun Dec 09, 2012 4:20 pm
- Year and Trim: 2003 Bonneville SE
- Location: Chicago, IL
oil problem
I have a 03 SE and my check oil light comes on and i check my oil and im down a quart so ill add a quart even though i changed the oil mayb 1000 miles ago and then another 1000 miles or so go by and im down a quart again. Thishas been happening for awhile now and not sure why. Just recently i have been noticing very small oil stains on my driveway so now thinking i got a small oil leak. Any ideas?

2003 Bonneville SE.....Intense Fenderwell intake....Magnaflow mufflers....glasspack resonator....grand prix wheels....rear 5% limo tint front 18% tint......Kenwood Headunit....mb quart tweeters,doors, 6x9s powered by autotek 1400 watt 4channel amp.....2 12in Alpine Type Rs 1000rms each powered by 1500 rms Mb quart mono RA1500.1
- harofreak00
- Administrator

- Posts: 26022
- Joined: Mon May 19, 2008 6:04 pm
- Year and Trim: 2004 GXP - plus a handful of other Bonnevilles
- Location: Browerville, MN
- Contact:
Re: oil problem
Common oil leak areas: valve cover gaskets, oil pan gasket, rear main seal.
Andrew - owner/operator of Bonnevilles Unlimited

2004 Bonneville GXP | 60k | White Gold Tricoat | custom built supercharged 3800 hot rod | garage queen
1997 Corvette | 57k | Silver Metallic | Z06 wheels | Date-night Hauler/Parts runner
2014 Town & Country Limited | Cashmere Pearl | 115k | Family Hauler
2002 Ram 1500 Quad Cab Sport | Black| 280k | Official Bonneville Hauler

2004 Bonneville GXP | 60k | White Gold Tricoat | custom built supercharged 3800 hot rod | garage queen
1997 Corvette | 57k | Silver Metallic | Z06 wheels | Date-night Hauler/Parts runner
2014 Town & Country Limited | Cashmere Pearl | 115k | Family Hauler
2002 Ram 1500 Quad Cab Sport | Black| 280k | Official Bonneville Hauler
Re: oil problem
Park it overnight over a clean sheet of cardboard to help you identify where the leak is coming from.
2001 Bonneville SSEi - no mods
1999 Trans Am WS6 M6 - LS6 block, LSX intake, P1SC supercharger, cam, rockers, Kooks headers, high output oil pump, double chain timing gear, 8 rib pullies, remote clutch bleed, bullet proof bell housing, catch can, 60# injectors, wide band O2, clutch, and lots of other stuff I can't remember right now
1999 Trans Am WS6 M6 - LS6 block, LSX intake, P1SC supercharger, cam, rockers, Kooks headers, high output oil pump, double chain timing gear, 8 rib pullies, remote clutch bleed, bullet proof bell housing, catch can, 60# injectors, wide band O2, clutch, and lots of other stuff I can't remember right now
- bobgto65
- Posts like an L36

- Posts: 866
- Joined: Thu May 29, 2008 7:52 pm
- Year and Trim: 2002 SSEi
2004 Bonneville GXP - Location: Maryland
Re: oil problem
what is the mileage on the engine?
bobgto65

2004 Bonneville GXP 62,000 miles purchased 04/13
2009 G8 GXP PBM, M6 9580 miles, no mods, sold 08/15
2009 G8 GT SBM 36,000 miles, modded 430 whp
2002 Bonneville SSEi 203,200 miles (sold 3/2014)

2004 Bonneville GXP 62,000 miles purchased 04/13
2009 G8 GXP PBM, M6 9580 miles, no mods, sold 08/15
2009 G8 GT SBM 36,000 miles, modded 430 whp
2002 Bonneville SSEi 203,200 miles (sold 3/2014)
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Dannyg420
- SLE Member

- Posts: 63
- Joined: Sun Dec 09, 2012 4:20 pm
- Year and Trim: 2003 Bonneville SE
- Location: Chicago, IL
Re: oil problem
The mileage is 117k

2003 Bonneville SE.....Intense Fenderwell intake....Magnaflow mufflers....glasspack resonator....grand prix wheels....rear 5% limo tint front 18% tint......Kenwood Headunit....mb quart tweeters,doors, 6x9s powered by autotek 1400 watt 4channel amp.....2 12in Alpine Type Rs 1000rms each powered by 1500 rms Mb quart mono RA1500.1
Re: oil problem
If the engine is dirty... try soaking with degreaser... pressure washing under best you can and then checking again... you can buy a dye that can be put in the oil... drive a little bit and check with a UV light and yellow glasses.. should be able to find it if its hard.. but if you get under there after a good cleaning you should be able to see your leak. x2 on oil pan, valve cover
Shane "RedZMonte"
2004 Z16 Z06: Virgin
2000 SSEi: Kenwood DDX512, 3.25" MPS, ZZP DP, PLog, Puck Mount, NGK TR7's, DHP Tuned
1995 Monte Z34: T04e "60" turbo, 42.5# injectors, Borla Catback, OBDII swap, DHP Tuned, Much more...
2004 Z16 Z06: Virgin
2000 SSEi: Kenwood DDX512, 3.25" MPS, ZZP DP, PLog, Puck Mount, NGK TR7's, DHP Tuned
1995 Monte Z34: T04e "60" turbo, 42.5# injectors, Borla Catback, OBDII swap, DHP Tuned, Much more...
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Dannyg420
- SLE Member

- Posts: 63
- Joined: Sun Dec 09, 2012 4:20 pm
- Year and Trim: 2003 Bonneville SE
- Location: Chicago, IL
Re: oil problem
alright thanks guys

2003 Bonneville SE.....Intense Fenderwell intake....Magnaflow mufflers....glasspack resonator....grand prix wheels....rear 5% limo tint front 18% tint......Kenwood Headunit....mb quart tweeters,doors, 6x9s powered by autotek 1400 watt 4channel amp.....2 12in Alpine Type Rs 1000rms each powered by 1500 rms Mb quart mono RA1500.1


