9 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHTurning over an M96 by hand
Leading reported evidence
Replace rod angle over the stroke of the pistons
Suggestion or failed attempt
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
Discussions
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 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
Besides cam and valve springs, you feel a little compression approaching tdc but mainly the varying leverage on friction between piston rings and cylinder wall due to changing rod angle over the stroke of the pistons.
Leading evidence: 'Replace rod angle over the stroke of the pistons' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Replace rod angle over the stroke of the pistons' (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.
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 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
I was surprised how much resistance there is turning a 3.4 ltr over using a 1/2" breaker bar, even with plugs removed.
These are separate views of the same evidence. Frequency alone does not establish a fix, and these counts must not be added together.
Replace rod angle over the stroke of the pistons
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
Besides cam and valve springs, you feel a little compression approaching tdc but mainly the varying leverage on friction between piston rings and cylinder wall due to changing rod angle over the stroke of the pistons.
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.
9 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Rennlist: 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: 20261026T130754Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
I'm refreshing my m96/04 3.4 5 chain and just replaced the lifters and timing chain guides I just got it back in time and with the plugs removed it spins over but takes more effort than I would have expected with a short ratchet on the crank bolt it's gets harder than suddenly springs forward on its own is that Normally how these feel I figure it's just the valve springs and cams causing that but I'd like to confirm that's normal
Normal. Besides cam and valve springs, you feel a little compression approaching tdc but mainly the varying leverage on friction between piston rings and cylinder wall due to changing rod angle over the stroke of the pistons.
I pulled the plugs so it doesn't have compression I'm.only have way through the refresh so one side had brand new lifters and they came pumped up compared to the old ones I removed that 10 out of 12 on bank 2 where all springy feeling so maybe a bunch on bank one are also collapsed from sitting Im just about to pull the cams on bank one right now
What is the lifter to lifter bore oil clearance..? Not uncommon for the aluminum lifter tray too wear and allow way to much clearance. As long as you're installing all new lifters might want to verify the lifter to lifter bore oil clearance spec recommendation of 0.0010"– 0.0015" for less oil pooling in head (major cause of oil pressure instability) and higher all around oil pressure.
I'm 90% sure I had the two banks timed together as well 😔 now I have 360 between them that might have been part of the issue the intake timing notches one was pointing in and one out at the same time and the timing tool fit both banks
Ok with all the Lifters replaced now and both sides of the engine in time it spins over much smoother my guess is with both banks timed together opening 8 valves at a time instead of 4 is why it would get harder then snap forward like it was. So if your having this issue your probably out of time on one bank
Cool, you've decided on "refreshing my m96/04 3.4 5 chain". I find internal engine work very satisfying, I must be a nerd...
Anyhow, a properly used feeler gauge will give you an idea, of the tightest/losest spots,,, but only a small bore gauge or telescoping inside micrometer will show you the lose areas that might be tapered or oval/out of round. A nearby machine shop probably wouldn't charge much to check it out for you if you don't have the measuring equipment.
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