Planet-9

Standard rear differential question.

Add to repair workspace

New repair projectOpen repair workspace

Original source

4 captured repliesPartial discussion capture · Source accounts, not a confirmed diagnosis

THIS DISCUSSION / SOURCE-DERIVED OVERVIEW

Discussion summary

YOUR RESEARCHStandard rear differential question.

Reported or suspected cause

parking brake

Suggestion or failed attempt

No successful repair reported for this finding.

0
Identified cause: 1
Suspected cause: 0
Reported fixes

Read evidence and context

Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.

Discussions that suspect a cause: 1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suspected cause
At least I figured out it was the RHS brake shoe that was causing the noise, as it was the hand brake that applied first and caused the ABD to spray brake fluid all over the LHS wheel arch in an attempt to apply the (Not fitted) brake caliper and slow down the faster spinning hub.
Original post Read captured discussion
Standard rear differential question.

Frequently discussed work

Check hubs would turn by hand and they do

No successful repair reported for this finding.

0
Reported fixes: 0
Unsuccessful attempts: 1
Discussions

Read evidence and context

Discussions that contain suggestions: 1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion
Afterward I checked both hubs would turn by hand and they do, so the hand brake is not still on/binding.
Original post Read captured discussion
Standard rear differential question.

Read full discussion summary

Leading evidence: 'parking brake' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, the most frequently mentioned possible cause is 'parking brake' (1 discussions; 0 report identifying it and 1 suggest it). The most frequently discussed action is 'Check hubs would turn by hand and they do' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.

Source reports, not a diagnosis or a success probability. Counts refer to discussions and can overlap.

Read captured replies

1 matching discussions · 4 captured posts examined · 1 partial discussions

Compare 2 other evidence results

rhs brake shoe

Suggestion or failed attempt

No successful repair reported for this finding.

0
Identified cause: 1
Suspected cause: 0
Reported fixes

Read evidence and context

Discussions that suspect a cause: 1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suspected cause
At least I figured out it was the RHS brake shoe that was causing the noise, as it was the hand brake that applied first and caused the ABD to spray brake fluid all over the LHS wheel arch in an attempt to apply the (Not fitted) brake caliper and slow down the faster spinning hub.
Original post Read captured discussion
Standard rear differential question.

Check hubs would turn by hand and they do

Suggestion or failed attempt

No successful repair reported for this finding.

0
Reported fixes: 0
Unsuccessful attempts: 1
Discussions

Read evidence and context

Discussions that contain suggestions: 1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion
Afterward I checked both hubs would turn by hand and they do, so the hand brake is not still on/binding.
Original post Read captured discussion
Standard rear differential question.

Frequently discussed actions (1)

These are separate views of the same evidence. Frequency alone does not establish a fix, and these counts must not be added together.

Check hubs would turn by hand and they do

No successful repair reported for this finding.

0
Reported fixes: 0
Unsuccessful attempts: 1
Discussions

Read evidence and context

Discussions that contain suggestions: 1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion
Afterward I checked both hubs would turn by hand and they do, so the hand brake is not still on/binding.
Original post Read captured discussion
Standard rear differential question.

Reported and suspected causes (2)

These are separate views of the same evidence. Frequency alone does not establish a fix, and these counts must not be added together.

parking brake

No successful repair reported for this finding.

0
Identified cause: 1
Suspected cause: 0
Reported fixes

Read evidence and context

Discussions that suspect a cause: 1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suspected cause
At least I figured out it was the RHS brake shoe that was causing the noise, as it was the hand brake that applied first and caused the ABD to spray brake fluid all over the LHS wheel arch in an attempt to apply the (Not fitted) brake caliper and slow down the faster spinning hub.
Original post Read captured discussion
Standard rear differential question.

rhs brake shoe

No successful repair reported for this finding.

0
Identified cause: 1
Suspected cause: 0
Reported fixes

Read evidence and context

Discussions that suspect a cause: 1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suspected cause
At least I figured out it was the RHS brake shoe that was causing the noise, as it was the hand brake that applied first and caused the ABD to spray brake fluid all over the LHS wheel arch in an attempt to apply the (Not fitted) brake caliper and slow down the faster spinning hub.
Original post Read captured discussion
Standard rear differential question.

Coverage and how to read this overview

Counts describe captured discussions, not unique people or a diagnosis. Author identities are not reliably stored. Exact duplicate evidence is counted once across matching discussions; one discussion counts at most once per action/state. Multiple repairs reported together remain a combination. Suggestions and failed attempts do not establish a fix. Matches cover whole discussions and can include related faults, model variants and incomplete threads.

4 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.

Planet-9: 1 discussions

0 evidence records excluded for query context · 0 excluded by outcome qualification · 0 adjusted by outcome qualification.

0 acknowledgements have no verified action link; they do not establish a repair result.

Generation: 20261026T065735Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1Original post

Hi Folks, Hoping for some info to help understand what has just occurred. I have the car raised on 4 jack stands to fit stainless flex hoses and new seal kits to the calipers. While it was up there with no brake calipers fitted I started it up and engaged 4th gear at idle speed to have the rear hubs turning so I could locate a rubbing noise I believed to be one of the hand brake shoes. When I first started both rear hubs were turning at the same speed. I engaged the hand brake one notch to see if this would increased the noise and so help me identify which brake shoes were causing the noise. That was when I heard a LOUD 'crack' noise from the rear end and now only the LHS hub is turning. Afterward I checked both hubs would turn by hand and they do, so the hand brake is not still on/binding. Is this an issue I should be kicking myself for or was it just a rear diff friction plate or some such letting go, hopefully with no lasting effects. Not sure what type of diff is in the standard car so I'm hoping for info to guess at what caused the hideous 'crack' noise. At least I figured out it was the RHS brake shoe that was causing the noise, as it was the hand brake that applied first and caused the ABD to spray brake fluid all over the LHS wheel arch in an attempt to apply the (Not fitted) brake caliper and slow down the faster spinning hub. Not a fun start to my day. :wall: Any pointers would be much appreciated. Cheers, C

POST 2Original post

I'm no expert but have you tried driving it? If the diff is damaged surely you wouldn't get any drive.

POST 3Original post

It is still on the jack stands waiting for the seal kits. Never figured there would be any chance of nasty noises and a hub/wheel stopping rotating; worst case putting on the hand brake should have been stalling the motor since it was at idle RPM and in 4th. :crazy:

POST 4Original post

Well all the info I can scrape together seem to suggest that the differential in these motors is a standard 'open' differential. This appears to be correct since when I now spin one hub by hand the other hub turns in the opposite direction. That being the case then the two wheels should not have been rotating together at equal speeds in the first place. I am now guessing at one or more seized spider gears that were un-seized when the RHS hand brake locked on causing the drive shafts to turn at different speeds forcing the spider gears to rotate. Questions now are how did it/they become seized in the first place when living in such an ideal environment and is there any lasting damage? All in all a crap day. If there are any out there who know my assumption about the diff type is wrong please chirp in. Cheers! C

This is a source reference. Confirm exact model applicability in the original material.