98 v70-xc 2.4T torque props

mccdylon · Post by **mccdylon** » 24 Mar 2016, 09:20

hey,

i was wondering if anyone in here that has had or owned a v70 98-00 has had a power issue or almost a lack of torque? thats the only way i can describe it when i step on the gas. after I'm up to speed she is fine but the initial 0-15 is laggy. any info would help, maybe thats just the way they handle? not sure thanks!

Post by **scot850** » 24 Mar 2016, 11:17

Start with the simple stuff:

When was the ignition system serviced last? I.e. Distributor cap, rotor, wires, plugs? What brands did you use? Recommendations are: Bosch, Bosch, Bougicord, Volvo set to 0.028" (for turbos in particular). These cars are particular to what you use on them.

Turbo system: Have you checked the intake pipework and intercooler for leaks? That is from air-box to turbo to intercooler to throttle body.
Also check the vacuum/pressure system that supports the turbo operation. mainly the pipework for leaks and the operation of: TCV which fail with age, the compressor valve/diaphragm splits with age. Any leaks or failure of these parts will prevent boost/torque at low revs.

That is a good start.

Neil.

Post by **benpineapple** » 24 Mar 2016, 12:46

My V70 used to be pretty poopy in the 0-30 range. I replaced all vacuum lines in and around the turbo, got a TCV ($5 from local pick n pull), replaced very old plugs and wires, and the difference was immediate and astounding. My wife and I switched cars one day, and she texts me not 10 min after leaving "Why is the car a bunch faster?!"

I didn't do all that at the same time, but I can tell you that replacing all the vacuum lines and getting a functioning TCV is what made like 90% of the difference in performance. Before the maintenance, using the "Sport" mode would result in no obvious performance difference, and now I can squeal the tires from a dead stop (not a big squeal, just a moderate squeal).

Planning on getting a new dist. cap/rotor, and new injectors this summer.

Post by **erikv11** » 24 Mar 2016, 15:14

Just a +1 to both posts, these are good suggestions.

FYI, Sport mode just changes the shift point, no more no less. The trans changes gears at higher RPMs when in Sport mode.

Post by **scot850** » 24 Mar 2016, 15:23

I had a 98 V70XC and liked the way the 13G turbo worked. It gives more torque at low rpm's. Shocked a lot of people at the lights. It was quicker of the mark than my 'R' with 2/3rds the power. TCV and it's associated pipework is a good place to start. It the rubber pipes are crumbly replace with silicon tubing. But like I said earlier, if the weather is up to it, give the whole system and pipework a good look over and check it carefully!

Neil.

Post by **benpineapple** » 25 Mar 2016, 12:31

erikv11 wrote:Just a +1 to both posts, these are good suggestions.

FYI, Sport mode just changes the shift point, no more no less. The trans changes gears at higher RPMs when in Sport mode.

Oh wow, I had no idea. Crazy how big a difference it makes.

(sorry to go off-topic, briefly, mccdylon)