- Jan 11, 2013
- 22
Have some questions about my single axle 1 ton beast which has 95k miles:
1) Seems to potentially have an exhaust manifold leak. When cold no problem, drive for short distances with light load - no problem. Drive heavily loaded and hot then I get what almost sounds like a heat shield rattle. This goes on at certain RPM ranges more than others (think resonant frequency vibration). Any ideas on troubleshooting this if it is manifold?
2) Cold weather whine - ONLY when pretty cold (at or below freezing) I get a high pitched whine which moves with RPMS - both in paprk and when driving. I'm leaning towards needing to get tranny drained and filter serviced. Anyone experienced this and had it clear with tranny service? I'm approaching the 100k service point on the tranny fluid so soon I will be having that completed.
1) Seems to potentially have an exhaust manifold leak. When cold no problem, drive for short distances with light load - no problem. Drive heavily loaded and hot then I get what almost sounds like a heat shield rattle. This goes on at certain RPM ranges more than others (think resonant frequency vibration). Any ideas on troubleshooting this if it is manifold?
2) Cold weather whine - ONLY when pretty cold (at or below freezing) I get a high pitched whine which moves with RPMS - both in paprk and when driving. I'm leaning towards needing to get tranny drained and filter serviced. Anyone experienced this and had it clear with tranny service? I'm approaching the 100k service point on the tranny fluid so soon I will be having that completed.