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Found 9 results

  1. Hi all, First off I'm SO very happy I found this forum, I live in Amsterdam, The Netherlands and a Cadillac here is a bit of an Al Capone boat, no matter her age or model, most American cars are, but Cadillac.. that's only something from movies. BUT... I got myself about 1 year ago the real deal, a 2002 Deville in, I must say, mint condition, inside and out. No complaints exept for the radio that didnt do 'our' frequencies (or rather 50% of the fm frequencies, we use odd frequencies as well, the original radio only does even, or the other way around?). So replaced it with a ni
  2. Ok, so I'm looking for some advice, My 99' deville is running rather hot, my thermostat was in bad shape so I went and replaced it, but now it's running warmer than before, its never overheated but i regularly clean out the cooling system as i know the 97 to 99 northstar engine has shorter head bolts and dont want to warp head or anything, but it was staying a 203F or below and now it's running 208 to 212 at highway speeds. I know that's not super hot as the fans won't kick on until 224F but at highway speeds it should run around the high 190's I thought. I'm out of ideas and worried th
  3. Hello everyone, 96 Cadillac Northstar 4.6L Symptoms high idle and constant revv So I pulled the Intake manifold and coolant started to leak out of the bolt hole(Closest to plug 8) under the intake. Picture included, the leak will stop with the bolt hand tight with the intake off. No Codes. I am wondering is this a head gasket or something else? Would sealant be a bad idea? PS Picture I grabbed from the internet. My car is not this dirty
  4. I have a 98 Deville with a 4.6L v8 northstar. About a week ago, my car overheated. Let it cool down and turns out, all my water was gone! So, I found out that once the car gets up to running temp, pressure is pushing water out of the overflow tube, (there is only one reservoir with a tube right by the cap) untill there is no water left! Checked my oil, it's clean so I'm hoping it's not a faulty head gasket. But I think its weird that water is just coming right back out? Somebody please help me.. This car is the love of my life, but if I'm looking at over $3,000 in labor cause of a HG I thi
  5. I have a 1996 Cadillac DeVille Concour Sedan with a 4.6 Liter 8 Cylinder Northstar Engine that has 74,389 miles on it. Recently, it started leaking coolant approximately under the front center of the car. I applied a product called BARS LEAKS RADIATOR HEAVY DUTY LEAKS additive and it worked for about two months. The problem arised again recently and I did the same thing but the results was unsuccessful. The tank had become half filled with these pellets and now the coolant is leaking at a much faster rate then before. I was wondering if there is a way to replace the leading tube on the bottom
  6. This question is about a 1997 Cadillac DeVille with the 275 Hp version of the Northstar engine. As part of my regular inspection routine, I checked the coolant a few days ago, and it looked somewhat strange. Today, with a 200-mile trip since I first noticed the strange look of the coolant, i checked it again, and it looks like there is oil in the coolant. Not very much, but just a few drops visible in the surge tank, and a some traces of it on the plastic tab/ridge that sits right under the surge tank cap. - The coolant level has not changed, and the engine oil looks normal (light brown and
  7. 96 Seville STS just stopped while driving. Although I have been having some overheating problems, had just put in some Orange coolant, the temperature (gage) was only 1/4 past the normal temperature when the car just died while driving around town. Fan was on. The fuel pump seems like it has no pressure in the fuel rail. Please tell me how to check it with a meter.
  8. I just brought a '97 D'elegance yesterday for $1,000 in Maryland. It overheats almost immediately. Every time I drive it the temperature shoots up pretty fast around 244F in about 5-10 minutes or so. What did I get myself into? I think I got got. Oh well. What are some fixes? I dumped $135, for a battery, $240 for MDTags, $10 for tool kit to put in battery and tags, $ 368 for 1st and last months insurance. As well as the $1,000 for the car. I'm felling stubborn. I want to make it work. I refuse to just have wasted almost $2,000 in less than 24hrs!
  9. Hello folks, I have a 95 Deville 4.9L that has sprung a nasty coolant leak. It pours out from beneath the engine near the crankshaft. The radiator will empty out in about 2 minutes. Any thoughts on what could break in that area? I had recently bypassed the A/C compressor with a shorter belt... maybe caused increased pressure and ruptured a hose or pipe? Thanks for any input!
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