Torsional damping: proposed questions 2(a), 7 and 11A
58 The Trial Reasons found that torsional vibrations flowing from the engine meant that there was a real risk that Affected Vehicles would exhibit a slight shudder at slow speeds and a slight audible gear rattle and that the presence of that risk was sufficient to mean the vehicles were not of acceptable quality: [669]-[673]. The parties are now at issue on how this finding should be recorded in the revised common questions and answers.
59 It is useful to consider each question in turn. The Applicant proposes that question 2(a) be posed and answered in this way:
2 Which Affected Vehicles, when supplied as new, contained or were part of model lines containing a PowerShift Transmission that had:
(a) Architecture Deficiency - Damping (to the extent found in answer to question 7 below)? All Affected Vehicles: [961] of judgment.
60 The Respondent proposes this alternative:
2 Which Affected Vehicles, when supplied as new, contained or were part of model lines containing a PowerShift Transmission that had:
(a) Architecture Deficiency - Damping? All Affected Vehicles to the extent it led to a slight shudder at low speeds and gear rattling: [961] of judgment.
61 The only difference in the form of the question is the Applicant's proposed parenthetic cross-reference to question 7. In my view, this should not be included for, as will shortly be seen, it is possible to formulate this question and answer in a manner sufficiently precise that it would not be aided by a cross-reference. (To like effect, the parenthetic remark 'to the extent found in answer to question 8 below' should be omitted from proposed question 2(b) concerning the Architecture Deficiency - Heat. This was the only difference between the parties on proposed question 2(b)).
62 The dispute about the proper answer to proposed question 2(a) reflects other disputes dealt with above including that pertaining to the ATIC 91 chip. In short, the Applicant contends that a blanket affirmative answer is appropriate, while the Respondent contends that the answer should be qualified. The Respondent's proposed answer suffers from the same problem as that which it proposed for the ATIC 91 chip: namely, it does not reflect that the relevant defect is based on risk or propensity not on the actual condition or behaviour of any particular vehicle. The answer to this question must reflect the findings recorded at [669]-[673] of the Trial Reasons that Affected Vehicles when supplied as new were not of acceptable quality because they were 'prone to' (i.e. afflicted by a real risk that they would) exhibit a slight shudder at slow speeds and gear rattling.
63 On the other hand, the Applicant's proposed answer is insufficient because it does not qualify the finding on the Architecture Deficiency - Damping at all whereas, as both parties accept, the Applicant did not succeed on that limb of her case except insofar as the Court concluded that the extent of torsional damping created a real risk that Affected Vehicles would exhibit a slight shudder at slow speeds and gear rattle: [530] of the Trial Reasons. The answer must acknowledge this.
64 The question should be posed and answered in this form:
2 Which Affected Vehicles, when supplied as new, contained or were part of model lines containing a PowerShift Transmission that had:
(a) Architecture Deficiency - Damping? All Affected Vehicles insofar as the extent of torsional damping meant they were prone to exhibit a slight shudder at slow speeds and gear rattling: [961].
65 I accept that this departs from the form of question and answer suggested at 961(a) of the Trial Reasons. That paragraph was never intended to indicate that the conclusion on the two normal operating characteristics was not a conclusion based on risk or propensity. The revised question and answer just articulated clarifies the position.
66 Turning to question 7, the Applicant proposes this form of question:
7 Architecture Deficiency - Damping: Did the Affected Vehicles, by reason of the manner in which the DPS6 damps torsional vibrations, have, or have an unusual propensity to have, the following issues:
(a) Shudder, including clutch shudder, judder, shaking, vibrating or stuttering
(b) erratic gear shifts, including those which cause the customer to experience a jerking or jolting sensation;
(c) excessive noise, including rattle, grattle or grinding noises;
(d) durability problems, including customer being required to attend servicing or to have parts replaced more frequently than acceptable for a vehicle of the same class; and/or
(e) performance decreases, including less economic efficiency and slower response times to driver instructions?
67 The Respondent proposed this form:
7 Architecture Deficiency - Damping: Did the Affected Vehicles, by reason of the manner in which the DPS6 damps torsional vibrations, have, or have an unusual propensity to have, the following issues:
(a) clutch shudder;
(b) loss of transmission engagement;
(c) deteriorating clutch and gear selection;
(d) loss of odd or even gear selection;
(e) intermittent no start;
(f) intermittent loss of power;
(g) intermittent "check engine" light illumination;
(h) excessive noisiness from the transmission;
(i) servicing, repair/and or replacement of the dual clutch assembly (or components thereof) to be necessary or desirable earlier and more often than usual or reasonably expected; and/or
(j) delayed acceleration?
68 Consistent with what I have held above, the Respondent's form of question is to be preferred.
69 The Applicant expressed one gripe with the Respondent's proposed answers, namely that the affirmative answers for 7(a) and (i) should be preceded by the word 'yes'. Again, consistent with the analysis above, I agree.
70 Question 7 should be posed and answered in this way:
7 Architecture Deficiency - Damping: Did the Affected Vehicles, by reason of the manner in which the DPS6 damps torsional vibrations, have, or have an unusual propensity to have, the following issues:
(a) clutch shudder; Yes - Affected Vehicles had a tendency to exhibit a slight vibration or shudder at slow speeds or during a coast down, as the transmission upshifted or downshifted. [521], [524], [528]-[530]
(b) loss of transmission engagement; No.
(c) deteriorating clutch and gear selection; No.
(d) loss of odd or even gear selection; No.
(e) intermittent no start; No.
(f) intermittent loss of power; No.
(g) intermittent "check engine" light illumination; No.
(h) excessive noisiness from the transmission; Yes - Affected Vehicles had a tendency to exhibit a slight audible rattle, particularly when operated within an enclosed area such as a carpark. [506], [521], [522], [528]
(i) servicing, repair/and or replacement of the dual clutch assembly (or components thereof) to be necessary or desirable earlier and more often than usual or reasonably expected; No.
(j) delayed acceleration? No.
71 The dispute regarding the torsional damping elements of question 11A takes place in a quite different domain of discourse, namely that concerned with the position of Affected Vehicles supplied second hand rather than new.
72 The Applicant proposes that question 11A include these two sub-questions and answers:
11A When the Affected Vehicles were supplied as new (including prior to 31 December 2010) and were subsequently supplied to a person by a Dealer between 1 January 2011 and 29 November 2018, did they fail to comply with the guarantee of acceptable quality within the meaning of s 54 of the ACL at the time of the subsequent supply because of that deficiency?
To the extent that all Affected Vehicles are prone to exhibiting:
(a) a slight vibration or shudder at slow speeds or during a coast down as the transmission upshifts or downshifts -yes.
(b) a slight audible rattle, particularly when operated within an enclosed area such as a carpark -yes.
73 The Respondent accepts the framing of these sub-questions but contends that they should be answered 'no'. This is another situation where the appropriate course lies in between the positions adopted by the parties.
74 The Applicant submits, quite correctly, that the Court did not express its conclusion in respect of the slight shudder and gear rattle as being contingent on whether the vehicle was supplied new rather than second hand. And the Respondent submits, also quite correctly, that this is because the relative position of new and second hand vehicles with respect to the slight shudder and gear rattle was not a topic litigated at the trial. The fact that both of these observations are correct suggests that the sub-questions cannot appropriately be answered 'yes' or 'no'.
75 The Respondent relies on the analysis at [669]-[671] of the Trial Reasons which are in these terms:
All of that leaves unanswered the questions posed by s 54(2). I have considered the matters in s 54(3) above and do not need to repeat them. However, of particular significance, is the finding that the DPS6 was marketed as providing smooth gear shifts. I do not think that characteristic (a) and (b) meet that description. Turning then to s 54(2) itself, I do not think vehicles fitted with a DPS6 are 'free from defect' within the meaning of s 54(2)(c) because they are prone to display a slight shudder in some gear change situations and exhibit firm gear shifts when driven with gusto.
Whichever way one looks at these phenomena they are not smooth gear shifts. Perhaps in a vehicle not marketed as the DPS6 was marketed, the outcome might be different. However, this is how the DPS6 was marketed and viewed in that context, as required by s 54(3)(d), the vehicles fitted with the DPS6 and therefore prone to these behaviours are not of acceptable quality.
I also accept that the tendency to exhibit gear rattling means that the vehicles were not acceptable in terms of their 'finish' within s 54(2)(b). Section 54(2)(b) refers to 'appearance and finish'. I do not think this is a composite expression. The presumption against superfluity therefore implies that finish has a meaning which extends beyond merely visual qualities of the goods. New cars should not have a tendency to rattle, even slightly.
76 The guarantee of acceptable quality in s 54 of the ACL attaches to goods at the time of supply. I accept, as the Respondent says, that the analysis just quoted had in view the position of Affected Vehicles when supplied as new. However, that does not entail a conclusion that no second hand Affected Vehicles were supplied contrary to the s 54 guarantee by reason of the slight shudder and gear rattle. This simply was not an issue dealt with at the trial or in the Trial Reasons. Accordingly, the two sub-questions should be answered 'no finding to this effect.'
77 I note for completeness that, contrary to the form of questions and answers which it proffered, the Respondent conceded in its written submissions that a more appropriate answer than 'no' might be 'not determined'. I prefer 'no finding to this effect' for consistency with answers to questions 3, 4 and 6 above.