The motor on my 1998 bonneville is loud, what is the issue?

Asked by Jan 03, 2015 at 08:35 AM about the 1998 Pontiac Bonneville 4 Dr SLE Sedan

Question type: Maintenance & Repair

Very loud motor when start up recently, but when warms up it goes away.  Motor has
been replaced once already.  What is the issue now?

1 Answer

4,705

Could be a simple as an exhaust leak where the exhaust manifold enters the exhaust pipe. Louder when cold and then seals better as the engine warms up.

Your Answer

Add photo

Related Questions

Search Pontiac Bonneville Questions

Pontiac Bonneville Experts

#1 ticklemedaly
ticklemedaly
Reputation 380
#2 dandyoun
dandyoun
Reputation 360
#3 Js08016
Js08016
Reputation 350
View All

Related Models For Sale

Used Pontiac Grand Prix
30 Great Deals out of 2,871 listings starting at $900
Used Buick Regal
117 Great Deals out of 10,863 listings starting at $3,995
Used Chevrolet Camaro
225 Great Deals out of 30,943 listings starting at $1,217
Used Chevrolet Monte Carlo
21 Great Deals out of 1,408 listings starting at $1,995
Used Chevrolet Malibu
950 Great Deals out of 79,654 listings starting at $1,500
Used Buick LeSabre
14 Great Deals out of 1,924 listings starting at $995
Used Ford Mustang
472 Great Deals out of 45,735 listings starting at $1,999
Used Pontiac Firebird
12 Great Deals out of 724 listings starting at $3,990
Used Nissan Altima
1,033 Great Deals out of 81,564 listings starting at $1,200

Used Cars For Sale

2005 Pontiac Bonneville For Sale
70 listings starting at $2,995
2004 Pontiac Bonneville For Sale
75 listings starting at $1,799
2003 Pontiac Bonneville For Sale
85 listings starting at $2,900

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.