NHTSA — Engine And Engine Cooling: Exhaust System: Manifold/Header/Muffler/Tail Pipe Problems

2.4

hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
63,099 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

1999 Oldsmobile Silhouette exhaust system problems

exhaust system problem

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1999 Oldsmobile Silhouette Owner Comments

problem #8

Apr 052004

Silhouette 6-cyl

  • Automatic transmission
  • miles

A D V E R T I S E M E N T S

My 1999 Oldsmobile Silhouette only has 69,000 miles and has a leaking intake manifold gasket. It is obvious by the outraged community online that this is a problem with GM's design and a recall should be forced upon them.

- Antioch, TN, USA

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problem #7

Mar 082004

Silhouette 6-cyl

  • Automatic transmission
  • 88,800 miles
Coolant is leaking on top of engine, resulting from failed lower intake manifold gasket. The gasket was replaced at 34,000 miles, now failing again at 88,000 miles. Water pump was recently replaced. Believe dex-cool antifreeze is at fault.

- Mooresville, IN, USA

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problem #6

May 072002

Silhouette 6-cyl

  • Automatic transmission
  • 103,000 miles
Intake manifold gasket - no warning of any problems before finding myself stranded at a gas station due to my van overheating.

- Zachary, LA, USA

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problem #5

Jan 032004

Silhouette 6-cyl

  • Automatic transmission
  • 86,000 miles

A D V E R T I S E M E N T S

Oil leaking into the coolant system. Problem was fixed by replacing the intake manifold gasket. Resulted in replacing all coolant/heater system hoses and a large repair bill. The leaking intake manifold gasket seems to be a common problem.

- Stockbridge, GA, USA

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problem #4

Jan 142004

Silhouette 6-cyl

  • Automatic transmission
  • 72,000 miles
Intake manifold coolant leak caused by defective gasket. Related tsb mentions "new gasket design" implying that original design was defective. Oldsmobile refuses to offer any warranty coverage for failure, repair bill is $950 so far. Seems to be a common problem with this model at this age. Very disappointed with GM's attitude of customer dissatisfaction.

- Plano, TX, USA

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engine complaint electrical issue heater complaint transmission complaint paint defect Silhouette recall
problem #3

Jan 052004

Silhouette 6-cyl

  • Automatic transmission
  • 64,495 miles
I own a 1999 Oldsmobile Silhouette with 65,000 miles. I took the van to a local dealer after antifreeze started leaking from the top of the engine. The problem was a failed intake manifold gasket. The failed gasket fouled the hydraulic lifters and had to be replaced. The total bill was $1255. Same probelm happended to a relative's Pontiac. This is all too common of a problem. GM should recall this model. This will be the last of 5 GM products I have owned.

- Canton, MI, USA

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problem #2

May 162003

Silhouette 6-cyl

  • Automatic transmission
  • 90,500 miles
Noticed leaks that have appeared under the car. Leaks had a consistency of antifreeze and oil mixed. Constantly topping off antifreeze and oil. Intake manifold has been verified by mechanic to have leak resulting in a $600 dollar bill.

- Fayetteville, NC, USA

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problem #1

Mar 042003

(reported on)

Silhouette

  • miles
The intake manifold gasket failed.

- Mt Horeb, WI, USA

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