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Renault Espace —
the PRV as a family man

The catalysed 2,849 cc Z7W 707 took the PRV into the MPV: the same engine, under the same code, as the 153 bhp catalysed Renault 25. It is the only MPV in the whole history of the Douvrin V6 — after eleven makes and twenty-seven road models, the engine ended its career with the family.

153
bhp · catalysed Z7W 707
2849
cc · 12 valves
1
only PRV V6 MPV
1997
the L7X takes over
Engines

One code only: Z7W 707

The 2.8-litre is the PRV of the transition: on the Renault 25 and the Espace V6, Renix-Bendix electronic multipoint injection — never K-Jetronic —, three-way catalyst and 153 bhp. Everything known about the 707 comes from the workshop sheet of the catalysed Renault 25 V6 Baccara, which carries the same engine; the other 2.8-litres are on the Z7W file.

Renault Espace The family's only MPV Every known code →
Z7W 707153 bhp
2,849 ccRenix / Bendix multipoint injection12 valvesCatalysedZ7W engine file →
Espace V6 — 112.5 kW (153 bhp) at 5,400 rpm and 23 daNm at 2,500, 9.5 compression ratio, firing order 1-6-3-5-2-4, per the Z7W 706/707 sheet. The engine of the catalysed Renault 25 V6 injection, under the same code.
The only MPV

After twenty-seven road cars, a family

Eleven makes, twenty-six road cars and the civilian Peugeot P4 V6 series received the Douvrin V6; the Espace is the only MPV on the list. With the Safrane and the phase 1 Laguna it closes Renault's PRV chapter: from 1997 the 60° « PR » V6 — L7X at Renault, ES9 at Peugeot — took over on Safrane, Laguna, Espace, 605 and XM. That engine is not a PRV.

The last Douvrin V6 left the line on 15 June 1998, after 970,315 units. The two other 2.8-litres — the Renault 25's Z7W 706 and the Alpine GTA's Z6W — are on the Z7W file.

153
BHP · Z7W 707 · CATALYSED
2849
CC
9,5
COMPRESSION RATIO
5400
RPM · PEAK POWER
The same engine as the R25

What the Renault 25 tells us about the Espace

An engine documented by its twin

No manual specific to the Espace V6 is in the Library yet — if you own one, the Contribute page awaits you. But its engine is: the Pub et Trade workshop sheet of the catalysed Renault 25 V6 Baccara describes the Z7W 706/707, pressures, sensors, ignition and spark plugs included. The vehicle-specific figures there — capacities, speeds, consumption — are the R25's, not the Espace's.

The 2.8-litre transition

The 2.8-litre is the PRV of the transition: the Alpine GTA's Z6W-A keeps the first generation's non-offset crankshaft and its two valve-timing laws — one per cylinder bank — while the Renault 25's Z7W 706 moves to Renix electronic injection. The catalysed Z7W 707 gives 153 bhp on the R25 as on the Espace.

Two plugs, two worlds

The Z7W 706/707 sheet prescribes Eyquem C 72 LJS spark plugs gapped at 0.75 to 0.85 mm and torqued to 1.5 to 2 daNm; the next-generation Z7X of the Safrane takes RFC 58 LS3s at 1.2 mm torqued to 2.5 to 3 daNm. Two PRVs, two sets of figures: each sheet applies to ITS engine.

In the workshop

What the Z7W 707 sheet says about the Espace's engine

The engine figures from the Pub et Trade sheet of the catalysed Renault 25 V6 Baccara (REN-81B) — same engine, same code. Nothing here is specific to the Espace's body.

Renault Espace The full FAQ →
PRV ?
Did the Espace exist with a PRV V6?
Yes: the Espace V6 carried the 153 bhp catalysed Z7W 707 — the same engine as the catalysed Renault 25. File →
Alimentation
What fuel pressures on the Z7W 707?
Closed-loop Renix or Bendix multipoint injection; Renix or Bendix pump housed in the engine bay, 3 ± 0.2 bar with no vacuum and 2.5 ± 0.2 bar under 500 mbar of vacuum at the regulator, minimum flow 110 l/h; 12 V injectors of 2.5 ± 0.5 Ω; Solex single-choke Ø 55 mm throttle body, mark 919; three-way catalyst, mark C08. Fuel: unleaded RON 95 minimum. Pub et Trade sheet REN-81B for the Z7W 706/707.
Sondes
What do the Z7W 707's sensors read?
NTC air and coolant temperature sensors: 7.47 to 11.97 kΩ at 0 °C, 3.06 to 4.04 kΩ at 20 °C, 1.29 to 1.65 kΩ at 40 °C, 0.30 to 0.36 kΩ at 80 °C. Bosch oxygen sensor: 625 to 1,100 mV rich, 0 to 150 mV lean, at 800 °C. Bosch 12 V idle control valve; idle 800 ± 50 rpm and CO below 0.5 %, both not adjustable. Pub et Trade sheet REN-81B.
Allumage
What ignition and which spark plugs on the Z7W 707?
Ignition power module (MPA) with knock detection, advance curves built into and managed by the injection ECU — no initial timing nor advance-curve check. Eyquem C 72 LJS spark plugs, 0.75 to 0.85 mm gap, 1.5 to 2 daNm torque. Firing order 1-6-3-5-2-4. Pub et Trade sheet REN-81B.
Huile
What oil pressure for the Z7W 707?
At 80 °C: 1 bar at 750 rpm, 4 bar at 5,500 rpm. The sheet's capacities — 6 l of engine oil (+ 0.5 l), 9.5 l of coolant, 72 l of fuel — are the Renault 25 Baccara's: they do not carry over to the Espace without its own manual. Pub et Trade sheet REN-81B.
L7X
What is the L7X engine?
The 60° “PR” V6 that succeeded the PRV from 1997 (L7X at Renault, ES9 at Peugeot) on the Safrane, Laguna, Espace, 605 and XM. It is not a PRV.

In the Library

No Espace-specific document yet — the Z7W 707 is documented by the Renault 25 sheets: Catalysed R25 V6 Baccara (Z7W-706/707, 153 bhp) — Pub et Trade sheet · R25 V6 Baccara and TX (Z7W-700, 160 bhp) — Pub et Trade sheet

On the forum

The Espace has its own section on the forum — presentations, restorations, questions to members who drive one. Renault Espace section →

The 2.8-litre, code by code

Z6W, Z7W 706 and 707 on the engine file — and the Renault 25, which shares the Espace's engine.