Michigan Jeeps
The rust conversation comes before the mechanical one
Jeeps here fall into two groups that need different treatment. Wranglers are simple, well supported and often modified, and the modifications are usually where the trouble starts: a lift that was never followed by an alignment, oversized tires working a stock steering box, aftermarket lighting spliced into the wrong circuit. Grand Cherokees are the opposite, full of electronics and air suspension that need proper diagnosis rather than guesswork.
Both share one problem, and it is the one worth settling first. These vehicles get driven in winter, and the frame, brake lines and fuel lines take the salt. On anything with age we look underneath before quoting mechanical work, because there is no sense fitting a transmission to a vehicle whose frame has already decided the outcome.
Known Patterns
What brings a Jeep in
Four faults cover most Jeep work in this shop, and the first two apply across most of the range.
A tick or misfire on a 3.6 Pentastar
Rocker arm and lifter wear is well documented on this engine. It often shows as a cylinder specific misfire alongside the noise. Caught early it stays a top end job.
Coolant and oil mixing, or an oil leak at the back of the engine
The oil cooler housing on the Pentastar is plastic and it warps. It leaks oil, coolant or both. It is a known part with a known fix, and an updated design is available.
Violent steering shake after hitting a bump
What owners call death wobble, on solid front axle Wranglers. It is not one part, it is usually several worn components plus a tired steering damper. It needs measuring properly because it is a safety issue rather than a quirk.
Electrical behavior that makes no sense
The TIPM integrated power module is a known weak point across the Chrysler group. Plenty gets blamed on it that is really a ground or connector, so we test before anyone buys a module.
Worth knowing
Death wobble is not a steering damper fault
The violent shake through the steering on a solid axle Wrangler after hitting a bump is a symptom, not a component. It comes from play somewhere in the steering and front suspension: the track bar and its bushings first, then ball joints, tie rod ends and control arm bushings. Fitting a heavier steering damper masks it for a while and leaves the worn part doing the same thing with less warning.
Models
Jeep models we work on
The range we see most from Royal Oak drivers.
- Grand Cherokee
- Cherokee
- Wrangler
- Compass
- Renegade
- Gladiator
- Grand Wagoneer
- Patriot
- Liberty
- and older models too
What We Do
Everything your Jeep needs, in one shop
Questions
Jeep questions
What is death wobble and is it dangerous?
Is the Pentastar tick a big job?
My Jeep is leaking oil at the back of the engine. What is it?
Do you lift and modify Jeeps?
Also Domestic
Domestic makes we service alongside this one
Or see every make we service, grouped by where it was built.
Book It
Get the wobble sorted properly
29444 Woodward Ave, Royal Oak. Death wobble is a safety issue, not a character trait. We measure the whole front end rather than guessing at one part.